Revised log levels: less WARN and INFO, fine-tuned DEBUG vs TRACE

Issue: SPR-16946

spring-aop/src/main/java/org/springframework/aop/framework/CglibAopProxy.java

@@ -259,16 +259,16 @@ class CglibAopProxy implements AopProxy, Serializable {
 				if (!Modifier.isStatic(mod) && !Modifier.isPrivate(mod)) {
 					if (Modifier.isFinal(mod)) {
 						if (implementsInterface(method, ifcs)) {
-							logger.warn("Unable to proxy interface-implementing method [" + method + "] because " +
+							logger.info("Unable to proxy interface-implementing method [" + method + "] because " +
 									"it is marked as final: Consider using interface-based JDK proxies instead!");
 						}
-						logger.info("Final method [" + method + "] cannot get proxied via CGLIB: " +
+						logger.debug("Final method [" + method + "] cannot get proxied via CGLIB: " +
 								"Calls to this method will NOT be routed to the target instance and " +
 								"might lead to NPEs against uninitialized fields in the proxy instance.");
 					}
 					else if (!Modifier.isPublic(mod) && !Modifier.isProtected(mod) &&
 							proxyClassLoader != null && proxySuperClass.getClassLoader() != proxyClassLoader) {
-						logger.info("Method [" + method + "] is package-visible across different ClassLoaders " +
+						logger.debug("Method [" + method + "] is package-visible across different ClassLoaders " +
 								"and cannot get proxied via CGLIB: Declare this method as public or protected " +
 								"if you need to support invocations through the proxy.");
 					}

spring-aop/src/main/java/org/springframework/aop/framework/ProxyFactoryBean.java

@@ -255,7 +255,7 @@ public class ProxyFactoryBean extends ProxyCreatorSupport
 		}
 		else {
 			if (this.targetName == null) {
-				logger.warn("Using non-singleton proxies with singleton targets is often undesirable. " +
+				logger.info("Using non-singleton proxies with singleton targets is often undesirable. " +
 						"Enable prototype proxies by setting the 'targetName' property.");
 			}
 			return newPrototypeInstance();

spring-aop/src/main/java/org/springframework/aop/interceptor/AsyncExecutionAspectSupport.java

@@ -314,7 +314,7 @@ public abstract class AsyncExecutionAspectSupport implements BeanFactoryAware {
 				this.exceptionHandler.obtain().handleUncaughtException(ex, method, params);
 			}
 			catch (Throwable ex2) {
-				logger.error("Exception handler for async method '" + method.toGenericString() +
+				logger.warn("Exception handler for async method '" + method.toGenericString() +
 						"' threw unexpected exception itself", ex2);
 			}
 		}

spring-aop/src/main/java/org/springframework/aop/interceptor/SimpleAsyncUncaughtExceptionHandler.java

@@ -25,6 +25,7 @@ import org.apache.commons.logging.LogFactory;
  * A default {@link AsyncUncaughtExceptionHandler} that simply logs the exception.
  *
  * @author Stephane Nicoll
+ * @author Juergen Hoeller
  * @since 4.1
  */
 public class SimpleAsyncUncaughtExceptionHandler implements AsyncUncaughtExceptionHandler {
@@ -35,7 +36,7 @@ public class SimpleAsyncUncaughtExceptionHandler implements AsyncUncaughtExcepti
 	@Override
 	public void handleUncaughtException(Throwable ex, Method method, Object... params) {
 		if (logger.isErrorEnabled()) {
-			logger.error("Unexpected error occurred invoking async method: " + method, ex);
+			logger.error("Unexpected exception occurred invoking async method: " + method, ex);
 		}
 	}
 

spring-aop/src/main/java/org/springframework/aop/target/AbstractPrototypeBasedTargetSource.java

@@ -85,7 +85,7 @@ public abstract class AbstractPrototypeBasedTargetSource extends AbstractBeanFac
 				((DisposableBean) target).destroy();
 			}
 			catch (Throwable ex) {
-				logger.error("Couldn't invoke destroy method of bean with name '" + getTargetBeanName() + "'", ex);
+				logger.warn("Destroy method on bean with name '" + getTargetBeanName() + "' threw an exception", ex);
 			}
 		}
 	}

spring-beans/src/main/java/org/springframework/beans/BeanUtils.java

@@ -497,8 +497,8 @@ public abstract class BeanUtils {
 		try {
 			Class<?> editorClass = cl.loadClass(editorName);
 			if (!PropertyEditor.class.isAssignableFrom(editorClass)) {
-				if (logger.isWarnEnabled()) {
-					logger.warn("Editor class [" + editorName +
+				if (logger.isInfoEnabled()) {
+					logger.info("Editor class [" + editorName +
 							"] does not implement [java.beans.PropertyEditor] interface");
 				}
 				unknownEditorTypes.add(targetType);

spring-beans/src/main/java/org/springframework/beans/factory/annotation/AutowiredAnnotationBeanPostProcessor.java

@@ -150,7 +150,7 @@ public class AutowiredAnnotationBeanPostProcessor extends InstantiationAwareBean
 		try {
 			this.autowiredAnnotationTypes.add((Class<? extends Annotation>)
 					ClassUtils.forName("javax.inject.Inject", AutowiredAnnotationBeanPostProcessor.class.getClassLoader()));
-			logger.info("JSR-330 'javax.inject.Inject' annotation found and supported for autowiring");
+			logger.trace("JSR-330 'javax.inject.Inject' annotation found and supported for autowiring");
 		}
 		catch (ClassNotFoundException ex) {
 			// JSR-330 API not available - simply skip.

spring-beans/src/main/java/org/springframework/beans/factory/annotation/InitDestroyAnnotationBeanPostProcessor.java

@@ -156,7 +156,7 @@ public class InitDestroyAnnotationBeanPostProcessor
 			metadata.invokeDestroyMethods(bean, beanName);
 		}
 		catch (InvocationTargetException ex) {
-			String msg = "Invocation of destroy method failed on bean with name '" + beanName + "'";
+			String msg = "Destroy method on bean with name '" + beanName + "' threw an exception";
 			if (logger.isDebugEnabled()) {
 				logger.warn(msg, ex.getTargetException());
 			}
@@ -165,7 +165,7 @@ public class InitDestroyAnnotationBeanPostProcessor
 			}
 		}
 		catch (Throwable ex) {
-			logger.error("Failed to invoke destroy method on bean with name '" + beanName + "'", ex);
+			logger.warn("Failed to invoke destroy method on bean with name '" + beanName + "'", ex);
 		}
 	}
 

spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractBeanFactory.java

@@ -899,13 +899,13 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
 		}
 		Scope previous = this.scopes.put(scopeName, scope);
 		if (previous != null && previous != scope) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Replacing scope '" + scopeName + "' from [" + previous + "] to [" + scope + "]");
+			if (logger.isDebugEnabled()) {
+				logger.debug("Replacing scope '" + scopeName + "' from [" + previous + "] to [" + scope + "]");
 			}
 		}
 		else {
-			if (logger.isDebugEnabled()) {
-				logger.debug("Registering scope '" + scopeName + "' with implementation [" + scope + "]");
+			if (logger.isTraceEnabled()) {
+				logger.trace("Registering scope '" + scopeName + "' with implementation [" + scope + "]");
 			}
 		}
 	}
@@ -1526,8 +1526,8 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
 				}
 			}
 			else {
-				if (logger.isWarnEnabled()) {
-					logger.warn("Bean creation exception on non-lazy FactoryBean type check: " + ex);
+				if (logger.isInfoEnabled()) {
+					logger.info("Bean creation exception on non-lazy FactoryBean type check: " + ex);
 				}
 			}
 			onSuppressedException(ex);

spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java

@@ -810,22 +810,22 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 			}
 			else if (existingDefinition.getRole() < beanDefinition.getRole()) {
 				// e.g. was ROLE_APPLICATION, now overriding with ROLE_SUPPORT or ROLE_INFRASTRUCTURE
-				if (logger.isWarnEnabled()) {
-					logger.warn("Overriding user-defined bean definition for bean '" + beanName +
+				if (logger.isInfoEnabled()) {
+					logger.info("Overriding user-defined bean definition for bean '" + beanName +
 							"' with a framework-generated bean definition: replacing [" +
 							existingDefinition + "] with [" + beanDefinition + "]");
 				}
 			}
 			else if (!beanDefinition.equals(existingDefinition)) {
-				if (logger.isInfoEnabled()) {
-					logger.info("Overriding bean definition for bean '" + beanName +
+				if (logger.isDebugEnabled()) {
+					logger.debug("Overriding bean definition for bean '" + beanName +
 							"' with a different definition: replacing [" + existingDefinition +
 							"] with [" + beanDefinition + "]");
 				}
 			}
 			else {
-				if (logger.isDebugEnabled()) {
-					logger.debug("Overriding bean definition for bean '" + beanName +
+				if (logger.isTraceEnabled()) {
+					logger.trace("Overriding bean definition for bean '" + beanName +
 							"' with an equivalent definition: replacing [" + existingDefinition +
 							"] with [" + beanDefinition + "]");
 				}

spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultSingletonBeanRegistry.java

@@ -571,7 +571,7 @@ public class DefaultSingletonBeanRegistry extends SimpleAliasRegistry implements
 				bean.destroy();
 			}
 			catch (Throwable ex) {
-				logger.error("Destroy method on bean with name '" + beanName + "' threw an exception", ex);
+				logger.warn("Destroy method on bean with name '" + beanName + "' threw an exception", ex);
 			}
 		}
 

spring-beans/src/main/java/org/springframework/beans/factory/support/DisposableBeanAdapter.java

@@ -338,8 +338,8 @@ class DisposableBeanAdapter implements DisposableBean, Runnable, Serializable {
 			}
 		}
 		catch (InvocationTargetException ex) {
-			String msg = "Invocation of destroy method '" + this.destroyMethodName +
-					"' failed on bean with name '" + this.beanName + "'";
+			String msg = "Destroy method '" + this.destroyMethodName + "' on bean with name '" +
+					this.beanName + "' threw an exception";
 			if (logger.isDebugEnabled()) {
 				logger.warn(msg, ex.getTargetException());
 			}
@@ -348,7 +348,7 @@ class DisposableBeanAdapter implements DisposableBean, Runnable, Serializable {
 			}
 		}
 		catch (Throwable ex) {
-			logger.error("Couldn't invoke destroy method '" + this.destroyMethodName +
+			logger.warn("Failed to invoke destroy method '" + this.destroyMethodName +
 					"' on bean with name '" + this.beanName + "'", ex);
 		}
 	}

spring-beans/src/main/java/org/springframework/beans/factory/support/FactoryBeanRegistrySupport.java

@@ -66,7 +66,7 @@ public abstract class FactoryBeanRegistrySupport extends DefaultSingletonBeanReg
 		}
 		catch (Throwable ex) {
 			// Thrown from the FactoryBean's getObjectType implementation.
-			logger.warn("FactoryBean threw exception from getObjectType, despite the contract saying " +
+			logger.info("FactoryBean threw exception from getObjectType, despite the contract saying " +
 					"that it should return null if the type of its object cannot be determined yet", ex);
 			return null;
 		}

spring-beans/src/main/java/org/springframework/beans/factory/xml/DefaultBeanDefinitionDocumentReader.java

@@ -138,8 +138,8 @@ public class DefaultBeanDefinitionDocumentReader implements BeanDefinitionDocume
 				// We cannot use Profiles.of(...) since profile expressions are not supported
 				// in XML config. See SPR-12458 for details.
 				if (!getReaderContext().getEnvironment().acceptsProfiles(specifiedProfiles)) {
-					if (logger.isInfoEnabled()) {
-						logger.info("Skipped XML bean definition file due to specified profiles [" + profileSpec +
+					if (logger.isDebugEnabled()) {
+						logger.debug("Skipped XML bean definition file due to specified profiles [" + profileSpec +
 								"] not matching: " + getReaderContext().getResource());
 					}
 					return;

spring-beans/src/main/java/org/springframework/beans/factory/xml/XmlBeanDefinitionReader.java

@@ -312,8 +312,8 @@ public class XmlBeanDefinitionReader extends AbstractBeanDefinitionReader {
 	 */
 	public int loadBeanDefinitions(EncodedResource encodedResource) throws BeanDefinitionStoreException {
 		Assert.notNull(encodedResource, "EncodedResource must not be null");
-		if (logger.isInfoEnabled()) {
-			logger.info("Loading XML bean definitions from " + encodedResource.getResource());
+		if (logger.isDebugEnabled()) {
+			logger.debug("Loading XML bean definitions from " + encodedResource.getResource());
 		}
 
 		Set<EncodedResource> currentResources = this.resourcesCurrentlyBeingLoaded.get();

spring-beans/src/main/java/org/springframework/beans/support/PropertyComparator.java

@@ -95,8 +95,8 @@ public class PropertyComparator<T> implements Comparator<T> {
 			}
 		}
 		catch (RuntimeException ex) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Could not sort objects [" + o1 + "] and [" + o2 + "]", ex);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Could not sort objects [" + o1 + "] and [" + o2 + "]", ex);
 			}
 			return 0;
 		}
@@ -119,7 +119,7 @@ public class PropertyComparator<T> implements Comparator<T> {
 			return this.beanWrapper.getPropertyValue(this.sortDefinition.getProperty());
 		}
 		catch (BeansException ex) {
-			logger.info("PropertyComparator could not access property - treating as null for sorting", ex);
+			logger.debug("PropertyComparator could not access property - treating as null for sorting", ex);
 			return null;
 		}
 	}

spring-context-support/src/main/java/org/springframework/scheduling/commonj/TimerManagerFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -145,7 +145,7 @@ public class TimerManagerFactoryBean extends TimerManagerAccessor
 				timer.cancel();
 			}
 			catch (Throwable ex) {
-				logger.warn("Could not cancel CommonJ Timer", ex);
+				logger.debug("Could not cancel CommonJ Timer", ex);
 			}
 		}
 		this.timers.clear();

spring-context-support/src/main/java/org/springframework/scheduling/quartz/SchedulerFactoryBean.java

@@ -556,8 +556,8 @@ public class SchedulerFactoryBean extends SchedulerAccessor implements FactoryBe
 		}
 
 		if (this.configLocation != null) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Loading Quartz config from [" + this.configLocation + "]");
+			if (logger.isDebugEnabled()) {
+				logger.debug("Loading Quartz config from [" + this.configLocation + "]");
 			}
 			PropertiesLoaderUtils.fillProperties(mergedProps, this.configLocation);
 		}

spring-context-support/src/main/java/org/springframework/ui/freemarker/FreeMarkerConfigurationFactory.java

@@ -259,8 +259,8 @@ public class FreeMarkerConfigurationFactory {
 
 		// Load config file if specified.
 		if (this.configLocation != null) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Loading FreeMarker configuration from " + this.configLocation);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Loading FreeMarker configuration from " + this.configLocation);
 			}
 			PropertiesLoaderUtils.fillProperties(props, this.configLocation);
 		}
@@ -391,7 +391,7 @@ public class FreeMarkerConfigurationFactory {
 	protected TemplateLoader getAggregateTemplateLoader(List<TemplateLoader> templateLoaders) {
 		switch (templateLoaders.size()) {
 			case 0:
-				logger.info("No FreeMarker TemplateLoaders specified");
+				logger.debug("No FreeMarker TemplateLoaders specified");
 				return null;
 			case 1:
 				return templateLoaders.get(0);

spring-context-support/src/main/java/org/springframework/ui/freemarker/SpringTemplateLoader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,8 +58,8 @@ public class SpringTemplateLoader implements TemplateLoader {
 			templateLoaderPath += "/";
 		}
 		this.templateLoaderPath = templateLoaderPath;
-		if (logger.isInfoEnabled()) {
-			logger.info("SpringTemplateLoader for FreeMarker: using resource loader [" + this.resourceLoader +
+		if (logger.isDebugEnabled()) {
+			logger.debug("SpringTemplateLoader for FreeMarker: using resource loader [" + this.resourceLoader +
 					"] and template loader path [" + this.templateLoaderPath + "]");
 		}
 	}

spring-context/src/main/java/org/springframework/context/annotation/AutoProxyRegistrar.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -77,9 +77,9 @@ public class AutoProxyRegistrar implements ImportBeanDefinitionRegistrar {
 				}
 			}
 		}
-		if (!candidateFound) {
+		if (!candidateFound && logger.isInfoEnabled()) {
 			String name = getClass().getSimpleName();
-			logger.warn(String.format("%s was imported but no annotations were found " +
+			logger.info(String.format("%s was imported but no annotations were found " +
 					"having both 'mode' and 'proxyTargetClass' attributes of type " +
 					"AdviceMode and boolean respectively. This means that auto proxy " +
 					"creator registration and configuration may not have occurred as " +

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassBeanDefinitionReader.java

@@ -309,8 +309,8 @@ class ConfigurationClassBeanDefinitionReader {
 			throw new BeanDefinitionStoreException(beanMethod.getConfigurationClass().getResource().getDescription(),
 					beanName, "@Bean definition illegally overridden by existing bean definition: " + existingBeanDef);
 		}
-		if (logger.isInfoEnabled()) {
-			logger.info(String.format("Skipping bean definition for %s: a definition for bean '%s' " +
+		if (logger.isDebugEnabled()) {
+			logger.debug(String.format("Skipping bean definition for %s: a definition for bean '%s' " +
 					"already exists. This top-level bean definition is considered as an override.",
 					beanMethod, beanName));
 		}

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassEnhancer.java

@@ -348,9 +348,9 @@ class ConfigurationClassEnhancer {
 				// The factory is calling the bean method in order to instantiate and register the bean
 				// (i.e. via a getBean() call) -> invoke the super implementation of the method to actually
 				// create the bean instance.
-				if (logger.isWarnEnabled() &&
+				if (logger.isInfoEnabled() &&
 						BeanFactoryPostProcessor.class.isAssignableFrom(beanMethod.getReturnType())) {
-					logger.warn(String.format("@Bean method %s.%s is non-static and returns an object " +
+					logger.info(String.format("@Bean method %s.%s is non-static and returns an object " +
 									"assignable to Spring's BeanFactoryPostProcessor interface. This will " +
 									"result in a failure to process annotations such as @Autowired, " +
 									"@Resource and @PostConstruct within the method's declaring " +
@@ -490,8 +490,8 @@ class ConfigurationClassEnhancer {
 				boolean finalMethod = Modifier.isFinal(clazz.getMethod("getObject").getModifiers());
 				if (finalClass || finalMethod) {
 					if (exposedType.isInterface()) {
-						if (logger.isDebugEnabled()) {
-							logger.debug("Creating interface proxy for FactoryBean '" + beanName + "' of type [" +
+						if (logger.isTraceEnabled()) {
+							logger.trace("Creating interface proxy for FactoryBean '" + beanName + "' of type [" +
 									clazz.getName() + "] for use within another @Bean method because its " +
 									(finalClass ? "implementation class" : "getObject() method") +
 									" is final: Otherwise a getObject() call would not be routed to the factory.");
@@ -499,8 +499,8 @@ class ConfigurationClassEnhancer {
 						return createInterfaceProxyForFactoryBean(factoryBean, exposedType, beanFactory, beanName);
 					}
 					else {
-						if (logger.isInfoEnabled()) {
-							logger.info("Unable to proxy FactoryBean '" + beanName + "' of type [" +
+						if (logger.isDebugEnabled()) {
+							logger.debug("Unable to proxy FactoryBean '" + beanName + "' of type [" +
 									clazz.getName() + "] for use within another @Bean method because its " +
 									(finalClass ? "implementation class" : "getObject() method") +
 									" is final: A getObject() call will NOT be routed to the factory. " +

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassParser.java

@@ -272,7 +272,7 @@ class ConfigurationClassParser {
 				processPropertySource(propertySource);
 			}
 			else {
-				logger.warn("Ignoring @PropertySource annotation on [" + sourceClass.getMetadata().getClassName() +
+				logger.info("Ignoring @PropertySource annotation on [" + sourceClass.getMetadata().getClassName() +
 						"]. Reason: Environment must implement ConfigurableEnvironment");
 			}
 		}

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassPostProcessor.java

@@ -376,8 +376,8 @@ public class ConfigurationClassPostProcessor implements BeanDefinitionRegistryPo
 					throw new BeanDefinitionStoreException("Cannot enhance @Configuration bean definition '" +
 							beanName + "' since it is not stored in an AbstractBeanDefinition subclass");
 				}
-				else if (logger.isWarnEnabled() && beanFactory.containsSingleton(beanName)) {
-					logger.warn("Cannot enhance @Configuration bean definition '" + beanName +
+				else if (logger.isInfoEnabled() && beanFactory.containsSingleton(beanName)) {
+					logger.info("Cannot enhance @Configuration bean definition '" + beanName +
 							"' since its singleton instance has been created too early. The typical cause " +
 							"is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor " +
 							"return type: Consider declaring such methods as 'static'.");

spring-context/src/main/java/org/springframework/context/support/AbstractApplicationContext.java

@@ -376,9 +376,6 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 	 */
 	protected void publishEvent(Object event, @Nullable ResolvableType eventType) {
 		Assert.notNull(event, "Event must not be null");
-		if (logger.isTraceEnabled()) {
-			logger.trace("Publishing event in " + getDisplayName() + ": " + event);
-		}
 
 		// Decorate event as an ApplicationEvent if necessary
 		ApplicationEvent applicationEvent;
@@ -586,8 +583,8 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 		this.closed.set(false);
 		this.active.set(true);
 
-		if (logger.isInfoEnabled()) {
-			logger.info("Refreshing " + this);
+		if (logger.isDebugEnabled()) {
+			logger.debug("Refreshing " + this);
 		}
 
 		// Initialize any placeholder property sources in the context environment
@@ -619,11 +616,7 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 	 */
 	protected ConfigurableListableBeanFactory obtainFreshBeanFactory() {
 		refreshBeanFactory();
-		ConfigurableListableBeanFactory beanFactory = getBeanFactory();
-		if (logger.isDebugEnabled()) {
-			logger.debug("Bean factory for " + getDisplayName() + ": " + beanFactory);
-		}
-		return beanFactory;
+		return getBeanFactory();
 	}
 
 	/**
@@ -727,8 +720,8 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 					hms.setParentMessageSource(getInternalParentMessageSource());
 				}
 			}
-			if (logger.isDebugEnabled()) {
-				logger.debug("Using MessageSource [" + this.messageSource + "]");
+			if (logger.isTraceEnabled()) {
+				logger.trace("Using MessageSource [" + this.messageSource + "]");
 			}
 		}
 		else {
@@ -737,8 +730,8 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 			dms.setParentMessageSource(getInternalParentMessageSource());
 			this.messageSource = dms;
 			beanFactory.registerSingleton(MESSAGE_SOURCE_BEAN_NAME, this.messageSource);
-			if (logger.isDebugEnabled()) {
-				logger.debug("Unable to locate MessageSource with name '" + MESSAGE_SOURCE_BEAN_NAME +
+			if (logger.isTraceEnabled()) {
+				logger.trace("Unable to locate MessageSource with name '" + MESSAGE_SOURCE_BEAN_NAME +
 						"': using default [" + this.messageSource + "]");
 			}
 		}
@@ -754,15 +747,15 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 		if (beanFactory.containsLocalBean(APPLICATION_EVENT_MULTICASTER_BEAN_NAME)) {
 			this.applicationEventMulticaster =
 					beanFactory.getBean(APPLICATION_EVENT_MULTICASTER_BEAN_NAME, ApplicationEventMulticaster.class);
-			if (logger.isDebugEnabled()) {
-				logger.debug("Using ApplicationEventMulticaster [" + this.applicationEventMulticaster + "]");
+			if (logger.isTraceEnabled()) {
+				logger.trace("Using ApplicationEventMulticaster [" + this.applicationEventMulticaster + "]");
 			}
 		}
 		else {
 			this.applicationEventMulticaster = new SimpleApplicationEventMulticaster(beanFactory);
 			beanFactory.registerSingleton(APPLICATION_EVENT_MULTICASTER_BEAN_NAME, this.applicationEventMulticaster);
-			if (logger.isDebugEnabled()) {
-				logger.debug("Unable to locate ApplicationEventMulticaster with name '" +
+			if (logger.isTraceEnabled()) {
+				logger.trace("Unable to locate ApplicationEventMulticaster with name '" +
 						APPLICATION_EVENT_MULTICASTER_BEAN_NAME +
 						"': using default [" + this.applicationEventMulticaster + "]");
 			}
@@ -779,8 +772,8 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 		if (beanFactory.containsLocalBean(LIFECYCLE_PROCESSOR_BEAN_NAME)) {
 			this.lifecycleProcessor =
 					beanFactory.getBean(LIFECYCLE_PROCESSOR_BEAN_NAME, LifecycleProcessor.class);
-			if (logger.isDebugEnabled()) {
-				logger.debug("Using LifecycleProcessor [" + this.lifecycleProcessor + "]");
+			if (logger.isTraceEnabled()) {
+				logger.trace("Using LifecycleProcessor [" + this.lifecycleProcessor + "]");
 			}
 		}
 		else {
@@ -788,8 +781,8 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 			defaultProcessor.setBeanFactory(beanFactory);
 			this.lifecycleProcessor = defaultProcessor;
 			beanFactory.registerSingleton(LIFECYCLE_PROCESSOR_BEAN_NAME, this.lifecycleProcessor);
-			if (logger.isDebugEnabled()) {
-				logger.debug("Unable to locate LifecycleProcessor with name '" +
+			if (logger.isTraceEnabled()) {
+				logger.trace("Unable to locate LifecycleProcessor with name '" +
 						LIFECYCLE_PROCESSOR_BEAN_NAME +
 						"': using default [" + this.lifecycleProcessor + "]");
 			}
@@ -989,8 +982,8 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
 	 */
 	protected void doClose() {
 		if (this.active.get() && this.closed.compareAndSet(false, true)) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Closing " + this);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Closing " + this);
 			}
 
 			LiveBeansView.unregisterApplicationContext(this);

spring-context/src/main/java/org/springframework/context/support/DefaultLifecycleProcessor.java

@@ -349,8 +349,8 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
 			if (this.members.isEmpty()) {
 				return;
 			}
-			if (logger.isInfoEnabled()) {
-				logger.info("Starting beans in phase " + this.phase);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Starting beans in phase " + this.phase);
 			}
 			Collections.sort(this.members);
 			for (LifecycleGroupMember member : this.members) {
@@ -364,8 +364,8 @@ public class DefaultLifecycleProcessor implements LifecycleProcessor, BeanFactor
 			if (this.members.isEmpty()) {
 				return;
 			}
-			if (logger.isInfoEnabled()) {
-				logger.info("Stopping beans in phase " + this.phase);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Stopping beans in phase " + this.phase);
 			}
 			this.members.sort(Collections.reverseOrder());
 			CountDownLatch latch = new CountDownLatch(this.smartMemberCount);

spring-context/src/main/java/org/springframework/context/weaving/DefaultContextLoadTimeWeaver.java

@@ -75,21 +75,21 @@ public class DefaultContextLoadTimeWeaver implements LoadTimeWeaver, BeanClassLo
 	public void setBeanClassLoader(ClassLoader classLoader) {
 		LoadTimeWeaver serverSpecificLoadTimeWeaver = createServerSpecificLoadTimeWeaver(classLoader);
 		if (serverSpecificLoadTimeWeaver != null) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Determined server-specific load-time weaver: " +
+			if (logger.isDebugEnabled()) {
+				logger.debug("Determined server-specific load-time weaver: " +
 						serverSpecificLoadTimeWeaver.getClass().getName());
 			}
 			this.loadTimeWeaver = serverSpecificLoadTimeWeaver;
 		}
 		else if (InstrumentationLoadTimeWeaver.isInstrumentationAvailable()) {
-			logger.info("Found Spring's JVM agent for instrumentation");
+			logger.debug("Found Spring's JVM agent for instrumentation");
 			this.loadTimeWeaver = new InstrumentationLoadTimeWeaver(classLoader);
 		}
 		else {
 			try {
 				this.loadTimeWeaver = new ReflectiveLoadTimeWeaver(classLoader);
-				if (logger.isInfoEnabled()) {
-					logger.info("Using a reflective load-time weaver for class loader: " +
+				if (logger.isDebugEnabled()) {
+					logger.debug("Using reflective load-time weaver for class loader: " +
 							this.loadTimeWeaver.getInstrumentableClassLoader().getClass().getName());
 				}
 			}
@@ -137,8 +137,8 @@ public class DefaultContextLoadTimeWeaver implements LoadTimeWeaver, BeanClassLo
 	@Override
 	public void destroy() {
 		if (this.loadTimeWeaver instanceof InstrumentationLoadTimeWeaver) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Removing all registered transformers for class loader: " +
+			if (logger.isDebugEnabled()) {
+				logger.debug("Removing all registered transformers for class loader: " +
 						this.loadTimeWeaver.getInstrumentableClassLoader().getClass().getName());
 			}
 			((InstrumentationLoadTimeWeaver) this.loadTimeWeaver).removeTransformers();

spring-context/src/main/java/org/springframework/instrument/classloading/ReflectiveLoadTimeWeaver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -112,8 +112,8 @@ public class ReflectiveLoadTimeWeaver implements LoadTimeWeaver {
 				this.classLoader.getClass(), GET_THROWAWAY_CLASS_LOADER_METHOD_NAME);
 		// getThrowawayClassLoader method is optional
 		if (getThrowawayClassLoaderMethod == null) {
-			if (logger.isInfoEnabled()) {
-				logger.info("The ClassLoader [" + classLoader.getClass().getName() + "] does NOT provide a " +
+			if (logger.isDebugEnabled()) {
+				logger.debug("The ClassLoader [" + classLoader.getClass().getName() + "] does NOT provide a " +
 						"'getThrowawayClassLoader()' method; SimpleThrowawayClassLoader will be used instead.");
 			}
 		}

spring-context/src/main/java/org/springframework/jmx/export/MBeanExporter.java

@@ -405,7 +405,7 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
 			this.beanFactory = (ListableBeanFactory) beanFactory;
 		}
 		else {
-			logger.info("MBeanExporter not running in a ListableBeanFactory: autodetection of MBeans not available.");
+			logger.debug("MBeanExporter not running in a ListableBeanFactory: autodetection of MBeans not available.");
 		}
 	}
 
@@ -430,7 +430,7 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
 	@Override
 	public void afterSingletonsInstantiated() {
 		try {
-			logger.info("Registering beans for JMX exposure on startup");
+			logger.debug("Registering beans for JMX exposure on startup");
 			registerBeans();
 			registerNotificationListeners();
 		}
@@ -448,7 +448,7 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
 	 */
 	@Override
 	public void destroy() {
-		logger.info("Unregistering JMX-exposed beans on shutdown");
+		logger.debug("Unregistering JMX-exposed beans on shutdown");
 		unregisterNotificationListeners();
 		unregisterBeans();
 	}
@@ -664,15 +664,15 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
 		}
 
 		if (mbeanToExpose != null) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Located MBean '" + beanKey + "': registering with JMX server as MBean [" +
+			if (logger.isDebugEnabled()) {
+				logger.debug("Located MBean '" + beanKey + "': registering with JMX server as MBean [" +
 						objectName + "]");
 			}
 			doRegister(mbeanToExpose, objectName);
 		}
 		else {
-			if (logger.isInfoEnabled()) {
-				logger.info("Located managed bean '" + beanKey + "': registering with JMX server as MBean [" +
+			if (logger.isDebugEnabled()) {
+				logger.debug("Located managed bean '" + beanKey + "': registering with JMX server as MBean [" +
 						objectName + "]");
 			}
 			ModelMBean mbean = createAndConfigureMBean(bean, beanKey);
@@ -845,9 +845,9 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
 	 */
 	private ModelMBeanInfo getMBeanInfo(Object managedBean, String beanKey) throws JMException {
 		ModelMBeanInfo info = this.assembler.getMBeanInfo(managedBean, beanKey);
-		if (logger.isWarnEnabled() && ObjectUtils.isEmpty(info.getAttributes()) &&
+		if (logger.isInfoEnabled() && ObjectUtils.isEmpty(info.getAttributes()) &&
 				ObjectUtils.isEmpty(info.getOperations())) {
-			logger.warn("Bean with key '" + beanKey +
+			logger.info("Bean with key '" + beanKey +
 					"' has been registered as an MBean but has no exposed attributes or operations");
 		}
 		return info;
@@ -891,13 +891,13 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
 										!CollectionUtils.containsInstance(beans.values(), beanInstance))) {
 							// Not already registered for JMX exposure.
 							beans.put(beanName, (beanInstance != null ? beanInstance : beanName));
-							if (logger.isInfoEnabled()) {
-								logger.info("Bean with name '" + beanName + "' has been autodetected for JMX exposure");
+							if (logger.isDebugEnabled()) {
+								logger.debug("Bean with name '" + beanName + "' has been autodetected for JMX exposure");
 							}
 						}
 						else {
-							if (logger.isDebugEnabled()) {
-								logger.debug("Bean with name '" + beanName + "' is already registered for JMX exposure");
+							if (logger.isTraceEnabled()) {
+								logger.trace("Bean with name '" + beanName + "' is already registered for JMX exposure");
 							}
 						}
 					}
@@ -1103,8 +1103,8 @@ public class MBeanExporter extends MBeanRegistrationSupport implements MBeanExpo
 				return super.getTarget();
 			}
 			catch (RuntimeException ex) {
-				if (logger.isWarnEnabled()) {
-					logger.warn("Failed to retrieve target for JMX-exposed bean [" + this.objectName + "]: " + ex);
+				if (logger.isInfoEnabled()) {
+					logger.info("Failed to retrieve target for JMX-exposed bean [" + this.objectName + "]: " + ex);
 				}
 				throw ex;
 			}

spring-context/src/main/java/org/springframework/jmx/export/naming/KeyNamingStrategy.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -118,8 +118,8 @@ public class KeyNamingStrategy implements ObjectNamingStrategy, InitializingBean
 
 		if (this.mappingLocations != null) {
 			for (Resource location : this.mappingLocations) {
-				if (logger.isInfoEnabled()) {
-					logger.info("Loading JMX object name mappings file from " + location);
+				if (logger.isDebugEnabled()) {
+					logger.debug("Loading JMX object name mappings file from " + location);
 				}
 				PropertiesLoaderUtils.fillProperties(this.mergedMappings, location);
 			}

spring-context/src/main/java/org/springframework/jmx/support/JmxUtils.java

@@ -96,8 +96,8 @@ public abstract class JmxUtils {
 			List<MBeanServer> servers = MBeanServerFactory.findMBeanServer(agentId);
 			if (!CollectionUtils.isEmpty(servers)) {
 				// Check to see if an MBeanServer is registered.
-				if (servers.size() > 1 && logger.isWarnEnabled()) {
-					logger.warn("Found more than one MBeanServer instance" +
+				if (servers.size() > 1 && logger.isInfoEnabled()) {
+					logger.info("Found more than one MBeanServer instance" +
 							(agentId != null ? " with agent id [" + agentId + "]" : "") +
 							". Returning first from list.");
 				}

spring-context/src/main/java/org/springframework/jmx/support/MBeanRegistrationSupport.java

@@ -151,7 +151,9 @@ public class MBeanRegistrationSupport {
 						registeredBean = this.server.registerMBean(mbean, objectName);
 					}
 					catch (InstanceNotFoundException ex2) {
-						logger.error("Unable to replace existing MBean at [" + objectName + "]", ex2);
+						if (logger.isInfoEnabled()) {
+							logger.info("Unable to replace existing MBean at [" + objectName + "]", ex2);
+						}
 						throw ex;
 					}
 				}
@@ -180,10 +182,10 @@ public class MBeanRegistrationSupport {
 			snapshot = new LinkedHashSet<>(this.registeredBeans);
 		}
 		if (!snapshot.isEmpty()) {
-			logger.info("Unregistering JMX-exposed beans");
-		}
-		for (ObjectName objectName : snapshot) {
-			doUnregister(objectName);
+			logger.debug("Unregistering JMX-exposed beans");
+			for (ObjectName objectName : snapshot) {
+				doUnregister(objectName);
+			}
 		}
 	}
 
@@ -204,15 +206,15 @@ public class MBeanRegistrationSupport {
 						actuallyUnregistered = true;
 					}
 					else {
-						if (logger.isWarnEnabled()) {
-							logger.warn("Could not unregister MBean [" + objectName + "] as said MBean " +
+						if (logger.isInfoEnabled()) {
+							logger.info("Could not unregister MBean [" + objectName + "] as said MBean " +
 									"is not registered (perhaps already unregistered by an external process)");
 						}
 					}
 				}
 				catch (JMException ex) {
-					if (logger.isErrorEnabled()) {
-						logger.error("Could not unregister MBean [" + objectName + "]", ex);
+					if (logger.isInfoEnabled()) {
+						logger.info("Could not unregister MBean [" + objectName + "]", ex);
 					}
 				}
 			}

spring-context/src/main/java/org/springframework/jmx/support/MBeanServerFactoryBean.java

@@ -135,7 +135,7 @@ public class MBeanServerFactoryBean implements FactoryBean<MBeanServer>, Initial
 				if (this.agentId != null) {
 					throw ex;
 				}
-				logger.info("No existing MBeanServer found - creating new one");
+				logger.debug("No existing MBeanServer found - creating new one");
 			}
 		}
 

spring-context/src/main/java/org/springframework/jndi/JndiObjectFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -244,11 +244,11 @@ public class JndiObjectFactoryBean extends JndiObjectLocator
 		}
 		catch (NamingException ex) {
 			if (this.defaultObject != null) {
-				if (logger.isDebugEnabled()) {
-					logger.debug("JNDI lookup failed - returning specified default object instead", ex);
+				if (logger.isTraceEnabled()) {
+					logger.trace("JNDI lookup failed - returning specified default object instead", ex);
 				}
-				else if (logger.isInfoEnabled()) {
-					logger.info("JNDI lookup failed - returning specified default object instead: " + ex);
+				else if (logger.isDebugEnabled()) {
+					logger.debug("JNDI lookup failed - returning specified default object instead: " + ex);
 				}
 				return this.defaultObject;
 			}

spring-context/src/main/java/org/springframework/remoting/rmi/JndiRmiClientInterceptor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -321,8 +321,8 @@ public class JndiRmiClientInterceptor extends JndiObjectLocator implements Metho
 			if (logger.isDebugEnabled()) {
 				logger.debug("Could not connect to RMI service [" + getJndiName() + "] - retrying", ex);
 			}
-			else if (logger.isWarnEnabled()) {
-				logger.warn("Could not connect to RMI service [" + getJndiName() + "] - retrying");
+			else if (logger.isInfoEnabled()) {
+				logger.info("Could not connect to RMI service [" + getJndiName() + "] - retrying");
 			}
 			return refreshAndRetry(invocation);
 		}

spring-context/src/main/java/org/springframework/remoting/rmi/JndiRmiServiceExporter.java

@@ -151,8 +151,8 @@ public class JndiRmiServiceExporter extends RmiBasedExporter implements Initiali
 	 * @throws NamingException if service binding failed
 	 */
 	public void rebind() throws NamingException {
-		if (logger.isInfoEnabled()) {
-			logger.info("Binding RMI service to JNDI location [" + this.jndiName + "]");
+		if (logger.isDebugEnabled()) {
+			logger.debug("Binding RMI service to JNDI location [" + this.jndiName + "]");
 		}
 		this.jndiTemplate.rebind(this.jndiName, this.exportedObject);
 	}
@@ -162,8 +162,8 @@ public class JndiRmiServiceExporter extends RmiBasedExporter implements Initiali
 	 */
 	@Override
 	public void destroy() throws NamingException, RemoteException {
-		if (logger.isInfoEnabled()) {
-			logger.info("Unbinding RMI service from JNDI location [" + this.jndiName + "]");
+		if (logger.isDebugEnabled()) {
+			logger.debug("Unbinding RMI service from JNDI location [" + this.jndiName + "]");
 		}
 		this.jndiTemplate.unbind(this.jndiName);
 		invokePortableRemoteObject(unexportObject);

spring-context/src/main/java/org/springframework/remoting/rmi/RmiRegistryFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -183,8 +183,8 @@ public class RmiRegistryFactoryBean implements FactoryBean<Registry>, Initializi
 
 		if (registryHost != null) {
 			// Host explicitly specified: only lookup possible.
-			if (logger.isInfoEnabled()) {
-				logger.info("Looking for RMI registry at port '" + registryPort + "' of host [" + registryHost + "]");
+			if (logger.isDebugEnabled()) {
+				logger.debug("Looking for RMI registry at port '" + registryPort + "' of host [" + registryHost + "]");
 			}
 			Registry reg = LocateRegistry.getRegistry(registryHost, registryPort, clientSocketFactory);
 			testRegistry(reg);
@@ -210,12 +210,12 @@ public class RmiRegistryFactoryBean implements FactoryBean<Registry>, Initializi
 
 		if (clientSocketFactory != null) {
 			if (this.alwaysCreate) {
-				logger.info("Creating new RMI registry");
+				logger.debug("Creating new RMI registry");
 				this.created = true;
 				return LocateRegistry.createRegistry(registryPort, clientSocketFactory, serverSocketFactory);
 			}
-			if (logger.isInfoEnabled()) {
-				logger.info("Looking for RMI registry at port '" + registryPort + "', using custom socket factory");
+			if (logger.isDebugEnabled()) {
+				logger.debug("Looking for RMI registry at port '" + registryPort + "', using custom socket factory");
 			}
 			synchronized (LocateRegistry.class) {
 				try {
@@ -225,8 +225,8 @@ public class RmiRegistryFactoryBean implements FactoryBean<Registry>, Initializi
 					return reg;
 				}
 				catch (RemoteException ex) {
-					logger.debug("RMI registry access threw exception", ex);
-					logger.info("Could not detect RMI registry - creating new one");
+					logger.trace("RMI registry access threw exception", ex);
+					logger.debug("Could not detect RMI registry - creating new one");
 					// Assume no registry found -> create new one.
 					this.created = true;
 					return LocateRegistry.createRegistry(registryPort, clientSocketFactory, serverSocketFactory);
@@ -247,12 +247,12 @@ public class RmiRegistryFactoryBean implements FactoryBean<Registry>, Initializi
 	 */
 	protected Registry getRegistry(int registryPort) throws RemoteException {
 		if (this.alwaysCreate) {
-			logger.info("Creating new RMI registry");
+			logger.debug("Creating new RMI registry");
 			this.created = true;
 			return LocateRegistry.createRegistry(registryPort);
 		}
-		if (logger.isInfoEnabled()) {
-			logger.info("Looking for RMI registry at port '" + registryPort + "'");
+		if (logger.isDebugEnabled()) {
+			logger.debug("Looking for RMI registry at port '" + registryPort + "'");
 		}
 		synchronized (LocateRegistry.class) {
 			try {
@@ -262,8 +262,8 @@ public class RmiRegistryFactoryBean implements FactoryBean<Registry>, Initializi
 				return reg;
 			}
 			catch (RemoteException ex) {
-				logger.debug("RMI registry access threw exception", ex);
-				logger.info("Could not detect RMI registry - creating new one");
+				logger.trace("RMI registry access threw exception", ex);
+				logger.debug("Could not detect RMI registry - creating new one");
 				// Assume no registry found -> create new one.
 				this.created = true;
 				return LocateRegistry.createRegistry(registryPort);
@@ -307,7 +307,7 @@ public class RmiRegistryFactoryBean implements FactoryBean<Registry>, Initializi
 	@Override
 	public void destroy() throws RemoteException {
 		if (this.created) {
-			logger.info("Unexporting RMI registry");
+			logger.debug("Unexporting RMI registry");
 			UnicastRemoteObject.unexportObject(this.registry, true);
 		}
 	}

spring-context/src/main/java/org/springframework/remoting/rmi/RmiServiceExporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -273,8 +273,8 @@ public class RmiServiceExporter extends RmiBasedExporter implements Initializing
 		// Initialize and cache exported object.
 		this.exportedObject = getObjectToExport();
 
-		if (logger.isInfoEnabled()) {
-			logger.info("Binding service '" + this.serviceName + "' to RMI registry: " + this.registry);
+		if (logger.isDebugEnabled()) {
+			logger.debug("Binding service '" + this.serviceName + "' to RMI registry: " + this.registry);
 		}
 
 		// Export RMI object.
@@ -325,8 +325,8 @@ public class RmiServiceExporter extends RmiBasedExporter implements Initializing
 
 		if (registryHost != null) {
 			// Host explicitly specified: only lookup possible.
-			if (logger.isInfoEnabled()) {
-				logger.info("Looking for RMI registry at port '" + registryPort + "' of host [" + registryHost + "]");
+			if (logger.isDebugEnabled()) {
+				logger.debug("Looking for RMI registry at port '" + registryPort + "' of host [" + registryHost + "]");
 			}
 			Registry reg = LocateRegistry.getRegistry(registryHost, registryPort, clientSocketFactory);
 			testRegistry(reg);
@@ -352,11 +352,11 @@ public class RmiServiceExporter extends RmiBasedExporter implements Initializing
 
 		if (clientSocketFactory != null) {
 			if (this.alwaysCreateRegistry) {
-				logger.info("Creating new RMI registry");
+				logger.debug("Creating new RMI registry");
 				return LocateRegistry.createRegistry(registryPort, clientSocketFactory, serverSocketFactory);
 			}
-			if (logger.isInfoEnabled()) {
-				logger.info("Looking for RMI registry at port '" + registryPort + "', using custom socket factory");
+			if (logger.isDebugEnabled()) {
+				logger.debug("Looking for RMI registry at port '" + registryPort + "', using custom socket factory");
 			}
 			synchronized (LocateRegistry.class) {
 				try {
@@ -366,8 +366,8 @@ public class RmiServiceExporter extends RmiBasedExporter implements Initializing
 					return reg;
 				}
 				catch (RemoteException ex) {
-					logger.debug("RMI registry access threw exception", ex);
-					logger.info("Could not detect RMI registry - creating new one");
+					logger.trace("RMI registry access threw exception", ex);
+					logger.debug("Could not detect RMI registry - creating new one");
 					// Assume no registry found -> create new one.
 					return LocateRegistry.createRegistry(registryPort, clientSocketFactory, serverSocketFactory);
 				}
@@ -387,11 +387,11 @@ public class RmiServiceExporter extends RmiBasedExporter implements Initializing
 	 */
 	protected Registry getRegistry(int registryPort) throws RemoteException {
 		if (this.alwaysCreateRegistry) {
-			logger.info("Creating new RMI registry");
+			logger.debug("Creating new RMI registry");
 			return LocateRegistry.createRegistry(registryPort);
 		}
-		if (logger.isInfoEnabled()) {
-			logger.info("Looking for RMI registry at port '" + registryPort + "'");
+		if (logger.isDebugEnabled()) {
+			logger.debug("Looking for RMI registry at port '" + registryPort + "'");
 		}
 		synchronized (LocateRegistry.class) {
 			try {
@@ -401,8 +401,8 @@ public class RmiServiceExporter extends RmiBasedExporter implements Initializing
 				return reg;
 			}
 			catch (RemoteException ex) {
-				logger.debug("RMI registry access threw exception", ex);
-				logger.info("Could not detect RMI registry - creating new one");
+				logger.trace("RMI registry access threw exception", ex);
+				logger.debug("Could not detect RMI registry - creating new one");
 				// Assume no registry found -> create new one.
 				return LocateRegistry.createRegistry(registryPort);
 			}
@@ -427,17 +427,17 @@ public class RmiServiceExporter extends RmiBasedExporter implements Initializing
 	 */
 	@Override
 	public void destroy() throws RemoteException {
-		if (logger.isInfoEnabled()) {
-			logger.info("Unbinding RMI service '" + this.serviceName +
+		if (logger.isDebugEnabled()) {
+			logger.debug("Unbinding RMI service '" + this.serviceName +
 					"' from registry" + (this.createdRegistry ? (" at port '" + this.registryPort + "'") : ""));
 		}
 		try {
 			this.registry.unbind(this.serviceName);
 		}
 		catch (NotBoundException ex) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("RMI service '" + this.serviceName + "' is not bound to registry"
-						+ (this.createdRegistry ? (" at port '" + this.registryPort + "' anymore") : ""), ex);
+			if (logger.isInfoEnabled()) {
+				logger.info("RMI service '" + this.serviceName + "' is not bound to registry" +
+						(this.createdRegistry ? (" at port '" + this.registryPort + "' anymore") : ""), ex);
 			}
 		}
 		finally {
@@ -453,8 +453,8 @@ public class RmiServiceExporter extends RmiBasedExporter implements Initializing
 			UnicastRemoteObject.unexportObject(this.exportedObject, true);
 		}
 		catch (NoSuchObjectException ex) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("RMI object for service '" + this.serviceName + "' isn't exported anymore", ex);
+			if (logger.isInfoEnabled()) {
+				logger.info("RMI object for service '" + this.serviceName + "' is not exported anymore", ex);
 			}
 		}
 	}

spring-context/src/main/java/org/springframework/remoting/support/RemoteInvocationBasedExporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2007 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -79,13 +79,13 @@ public abstract class RemoteInvocationBasedExporter extends RemoteExporter {
 		}
 		catch (NoSuchMethodException ex) {
 			if (logger.isDebugEnabled()) {
-				logger.warn("Could not find target method for " + invocation, ex);
+				logger.debug("Could not find target method for " + invocation, ex);
 			}
 			throw ex;
 		}
 		catch (IllegalAccessException ex) {
 			if (logger.isDebugEnabled()) {
-				logger.warn("Could not access target method for " + invocation, ex);
+				logger.debug("Could not access target method for " + invocation, ex);
 			}
 			throw ex;
 		}

spring-context/src/main/java/org/springframework/scheduling/annotation/ScheduledAnnotationBeanPostProcessor.java

@@ -253,7 +253,7 @@ public class ScheduledAnnotationBeanPostProcessor
 				this.registrar.setTaskScheduler(resolveSchedulerBean(this.beanFactory, TaskScheduler.class, false));
 			}
 			catch (NoUniqueBeanDefinitionException ex) {
-				logger.debug("Could not find unique TaskScheduler bean", ex);
+				logger.trace("Could not find unique TaskScheduler bean", ex);
 				try {
 					this.registrar.setTaskScheduler(resolveSchedulerBean(this.beanFactory, TaskScheduler.class, true));
 				}
@@ -268,13 +268,13 @@ public class ScheduledAnnotationBeanPostProcessor
 				}
 			}
 			catch (NoSuchBeanDefinitionException ex) {
-				logger.debug("Could not find default TaskScheduler bean", ex);
+				logger.trace("Could not find default TaskScheduler bean", ex);
 				// Search for ScheduledExecutorService bean next...
 				try {
 					this.registrar.setScheduler(resolveSchedulerBean(this.beanFactory, ScheduledExecutorService.class, false));
 				}
 				catch (NoUniqueBeanDefinitionException ex2) {
-					logger.debug("Could not find unique ScheduledExecutorService bean", ex2);
+					logger.trace("Could not find unique ScheduledExecutorService bean", ex2);
 					try {
 						this.registrar.setScheduler(resolveSchedulerBean(this.beanFactory, ScheduledExecutorService.class, true));
 					}
@@ -289,7 +289,7 @@ public class ScheduledAnnotationBeanPostProcessor
 					}
 				}
 				catch (NoSuchBeanDefinitionException ex2) {
-					logger.debug("Could not find default ScheduledExecutorService bean", ex2);
+					logger.trace("Could not find default ScheduledExecutorService bean", ex2);
 					// Giving up -> falling back to default scheduler within the registrar...
 					logger.info("No TaskScheduler/ScheduledExecutorService bean found for scheduled processing");
 				}
@@ -350,8 +350,8 @@ public class ScheduledAnnotationBeanPostProcessor
 				// Non-empty set of methods
 				annotatedMethods.forEach((method, scheduledMethods) ->
 						scheduledMethods.forEach(scheduled -> processScheduled(scheduled, method, bean)));
-				if (logger.isDebugEnabled()) {
-					logger.debug(annotatedMethods.size() + " @Scheduled methods processed on bean '" + beanName +
+				if (logger.isTraceEnabled()) {
+					logger.trace(annotatedMethods.size() + " @Scheduled methods processed on bean '" + beanName +
 							"': " + annotatedMethods);
 				}
 			}

spring-context/src/main/java/org/springframework/scheduling/concurrent/DefaultManagedAwareThreadFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -103,8 +103,8 @@ public class DefaultManagedAwareThreadFactory extends CustomizableThreadFactory
 				this.threadFactory = this.jndiLocator.lookup(this.jndiName, ThreadFactory.class);
 			}
 			catch (NamingException ex) {
-				if (logger.isDebugEnabled()) {
-					logger.debug("Failed to retrieve [" + this.jndiName + "] from JNDI", ex);
+				if (logger.isTraceEnabled()) {
+					logger.trace("Failed to retrieve [" + this.jndiName + "] from JNDI", ex);
 				}
 				logger.info("Could not find default managed thread factory in JNDI - " +
 						"proceeding with default local thread factory");

spring-context/src/main/java/org/springframework/scheduling/concurrent/ScheduledExecutorFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -157,7 +157,7 @@ public class ScheduledExecutorFactoryBean extends ExecutorConfigurationSupport
 				((ScheduledThreadPoolExecutor) executor).setRemoveOnCancelPolicy(true);
 			}
 			else {
-				logger.info("Could not apply remove-on-cancel policy - not a Java 7+ ScheduledThreadPoolExecutor");
+				logger.debug("Could not apply remove-on-cancel policy - not a ScheduledThreadPoolExecutor");
 			}
 		}
 

spring-context/src/main/java/org/springframework/scheduling/concurrent/ThreadPoolTaskScheduler.java

@@ -99,7 +99,7 @@ public class ThreadPoolTaskScheduler extends ExecutorConfigurationSupport
 			((ScheduledThreadPoolExecutor) this.scheduledExecutor).setRemoveOnCancelPolicy(removeOnCancelPolicy);
 		}
 		else if (removeOnCancelPolicy && this.scheduledExecutor != null) {
-			logger.info("Could not apply remove-on-cancel policy - not a Java 7+ ScheduledThreadPoolExecutor");
+			logger.debug("Could not apply remove-on-cancel policy - not a ScheduledThreadPoolExecutor");
 		}
 	}
 
@@ -122,7 +122,7 @@ public class ThreadPoolTaskScheduler extends ExecutorConfigurationSupport
 				((ScheduledThreadPoolExecutor) this.scheduledExecutor).setRemoveOnCancelPolicy(true);
 			}
 			else {
-				logger.info("Could not apply remove-on-cancel policy - not a Java 7+ ScheduledThreadPoolExecutor");
+				logger.debug("Could not apply remove-on-cancel policy - not a ScheduledThreadPoolExecutor");
 			}
 		}
 

spring-core/src/main/java/org/springframework/core/SimpleAliasRegistry.java

@@ -69,15 +69,15 @@ public class SimpleAliasRegistry implements AliasRegistry {
 						throw new IllegalStateException("Cannot define alias '" + alias + "' for name '" +
 								name + "': It is already registered for name '" + registeredName + "'.");
 					}
-					if (logger.isInfoEnabled()) {
-						logger.info("Overriding alias '" + alias + "' definition for registered name '" +
+					if (logger.isDebugEnabled()) {
+						logger.debug("Overriding alias '" + alias + "' definition for registered name '" +
 								registeredName + "' with new target name '" + name + "'");
 					}
 				}
 				checkForAliasCircle(name, alias);
 				this.aliasMap.put(alias, name);
-				if (logger.isDebugEnabled()) {
-					logger.debug("Alias definition '" + alias + "' registered for name '" + name + "'");
+				if (logger.isTraceEnabled()) {
+					logger.trace("Alias definition '" + alias + "' registered for name '" + name + "'");
 				}
 			}
 		}

spring-core/src/main/java/org/springframework/core/SpringProperties.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -61,7 +61,7 @@ public final class SpringProperties {
 			URL url = (cl != null ? cl.getResource(PROPERTIES_RESOURCE_LOCATION) :
 					ClassLoader.getSystemResource(PROPERTIES_RESOURCE_LOCATION));
 			if (url != null) {
-				logger.info("Found 'spring.properties' file in local classpath");
+				logger.debug("Found 'spring.properties' file in local classpath");
 				InputStream is = url.openStream();
 				try {
 					localProperties.load(is);

spring-core/src/main/java/org/springframework/core/env/AbstractEnvironment.java

@@ -17,6 +17,7 @@
 package org.springframework.core.env;
 
 import java.security.AccessControlException;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.LinkedHashSet;
 import java.util.Map;
@@ -106,7 +107,7 @@ public abstract class AbstractEnvironment implements ConfigurableEnvironment {
 
 	private final Set<String> defaultProfiles = new LinkedHashSet<>(getReservedDefaultProfiles());
 
-	private final MutablePropertySources propertySources = new MutablePropertySources(logger);
+	private final MutablePropertySources propertySources = new MutablePropertySources();
 
 	private final ConfigurablePropertyResolver propertyResolver =
 			new PropertySourcesPropertyResolver(this.propertySources);
@@ -121,9 +122,6 @@ public abstract class AbstractEnvironment implements ConfigurableEnvironment {
 	 */
 	public AbstractEnvironment() {
 		customizePropertySources(this.propertySources);
-		if (logger.isDebugEnabled()) {
-			logger.debug("Initialized " + getClass().getSimpleName() + " with PropertySources " + this.propertySources);
-		}
 	}
 
 
@@ -250,6 +248,9 @@ public abstract class AbstractEnvironment implements ConfigurableEnvironment {
 	@Override
 	public void setActiveProfiles(String... profiles) {
 		Assert.notNull(profiles, "Profile array must not be null");
+		if (logger.isDebugEnabled()) {
+			logger.debug("Activating profiles " + Arrays.asList(profiles));
+		}
 		synchronized (this.activeProfiles) {
 			this.activeProfiles.clear();
 			for (String profile : profiles) {

spring-core/src/main/java/org/springframework/core/env/MutablePropertySources.java

@@ -23,9 +23,6 @@ import java.util.Spliterators;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.stream.Stream;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
 import org.springframework.lang.Nullable;
 
 /**
@@ -44,8 +41,6 @@ import org.springframework.lang.Nullable;
  */
 public class MutablePropertySources implements PropertySources {
 
-	private final Log logger;
-
 	private final List<PropertySource<?>> propertySourceList = new CopyOnWriteArrayList<>();
 
 
@@ -53,7 +48,6 @@ public class MutablePropertySources implements PropertySources {
 	 * Create a new {@link MutablePropertySources} object.
 	 */
 	public MutablePropertySources() {
-		this.logger = LogFactory.getLog(getClass());
 	}
 
 	/**
@@ -67,14 +61,6 @@ public class MutablePropertySources implements PropertySources {
 		}
 	}
 
-	/**
-	 * Create a new {@link MutablePropertySources} object and inherit the given logger,
-	 * usually from an enclosing {@link Environment}.
-	 */
-	MutablePropertySources(Log logger) {
-		this.logger = logger;
-	}
-
 
 	@Override
 	public Iterator<PropertySource<?>> iterator() {
@@ -108,9 +94,6 @@ public class MutablePropertySources implements PropertySources {
 	 * Add the given property source object with highest precedence.
 	 */
 	public void addFirst(PropertySource<?> propertySource) {
-		if (logger.isDebugEnabled()) {
-			logger.debug("Adding PropertySource '" + propertySource.getName() + "' with highest search precedence");
-		}
 		removeIfPresent(propertySource);
 		this.propertySourceList.add(0, propertySource);
 	}
@@ -119,9 +102,6 @@ public class MutablePropertySources implements PropertySources {
 	 * Add the given property source object with lowest precedence.
 	 */
 	public void addLast(PropertySource<?> propertySource) {
-		if (logger.isDebugEnabled()) {
-			logger.debug("Adding PropertySource '" + propertySource.getName() + "' with lowest search precedence");
-		}
 		removeIfPresent(propertySource);
 		this.propertySourceList.add(propertySource);
 	}
@@ -131,10 +111,6 @@ public class MutablePropertySources implements PropertySources {
 	 * than the named relative property source.
 	 */
 	public void addBefore(String relativePropertySourceName, PropertySource<?> propertySource) {
-		if (logger.isDebugEnabled()) {
-			logger.debug("Adding PropertySource '" + propertySource.getName() +
-					"' with search precedence immediately higher than '" + relativePropertySourceName + "'");
-		}
 		assertLegalRelativeAddition(relativePropertySourceName, propertySource);
 		removeIfPresent(propertySource);
 		int index = assertPresentAndGetIndex(relativePropertySourceName);
@@ -146,10 +122,6 @@ public class MutablePropertySources implements PropertySources {
 	 * than the named relative property source.
 	 */
 	public void addAfter(String relativePropertySourceName, PropertySource<?> propertySource) {
-		if (logger.isDebugEnabled()) {
-			logger.debug("Adding PropertySource '" + propertySource.getName() +
-					"' with search precedence immediately lower than '" + relativePropertySourceName + "'");
-		}
 		assertLegalRelativeAddition(relativePropertySourceName, propertySource);
 		removeIfPresent(propertySource);
 		int index = assertPresentAndGetIndex(relativePropertySourceName);
@@ -169,9 +141,6 @@ public class MutablePropertySources implements PropertySources {
 	 */
 	@Nullable
 	public PropertySource<?> remove(String name) {
-		if (logger.isDebugEnabled()) {
-			logger.debug("Removing PropertySource '" + name + "'");
-		}
 		int index = this.propertySourceList.indexOf(PropertySource.named(name));
 		return (index != -1 ? this.propertySourceList.remove(index) : null);
 	}
@@ -184,9 +153,6 @@ public class MutablePropertySources implements PropertySources {
 	 * @see #contains
 	 */
 	public void replace(String name, PropertySource<?> propertySource) {
-		if (logger.isDebugEnabled()) {
-			logger.debug("Replacing PropertySource '" + name + "' with '" + propertySource.getName() + "'");
-		}
 		int index = assertPresentAndGetIndex(name);
 		this.propertySourceList.set(index, propertySource);
 	}

spring-core/src/main/java/org/springframework/core/io/support/PathMatchingResourcePatternResolver.java

@@ -192,7 +192,7 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 			Class<?> fileLocatorClass = ClassUtils.forName("org.eclipse.core.runtime.FileLocator",
 					PathMatchingResourcePatternResolver.class.getClassLoader());
 			equinoxResolveMethod = fileLocatorClass.getMethod("resolve", URL.class);
-			logger.debug("Found Equinox FileLocator for OSGi bundle URL resolution");
+			logger.trace("Found Equinox FileLocator for OSGi bundle URL resolution");
 		}
 		catch (Throwable ex) {
 			equinoxResolveMethod = null;
@@ -318,8 +318,8 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 			path = path.substring(1);
 		}
 		Set<Resource> result = doFindAllClassPathResources(path);
-		if (logger.isDebugEnabled()) {
-			logger.debug("Resolved classpath location [" + location + "] to resources " + result);
+		if (logger.isTraceEnabled()) {
+			logger.trace("Resolved classpath location [" + location + "] to resources " + result);
 		}
 		return result.toArray(new Resource[0]);
 	}
@@ -511,8 +511,8 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 				result.addAll(doFindPathMatchingFileResources(rootDirResource, subPattern));
 			}
 		}
-		if (logger.isDebugEnabled()) {
-			logger.debug("Resolved location pattern [" + locationPattern + "] to resources " + result);
+		if (logger.isTraceEnabled()) {
+			logger.trace("Resolved location pattern [" + locationPattern + "] to resources " + result);
 		}
 		return result.toArray(new Resource[0]);
 	}
@@ -634,8 +634,8 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 		}
 
 		try {
-			if (logger.isDebugEnabled()) {
-				logger.debug("Looking for matching resources in jar file [" + jarFileUrl + "]");
+			if (logger.isTraceEnabled()) {
+				logger.trace("Looking for matching resources in jar file [" + jarFileUrl + "]");
 			}
 			if (!"".equals(rootEntryPath) && !rootEntryPath.endsWith("/")) {
 				// Root entry path must end with slash to allow for proper matching.
@@ -698,8 +698,8 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 			rootDir = rootDirResource.getFile().getAbsoluteFile();
 		}
 		catch (IOException ex) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Cannot search for matching files underneath " + rootDirResource +
+			if (logger.isInfoEnabled()) {
+				logger.info("Cannot search for matching files underneath " + rootDirResource +
 						" because it does not correspond to a directory in the file system", ex);
 			}
 			return Collections.emptySet();
@@ -718,8 +718,8 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 	 * @see org.springframework.util.PathMatcher
 	 */
 	protected Set<Resource> doFindMatchingFileSystemResources(File rootDir, String subPattern) throws IOException {
-		if (logger.isDebugEnabled()) {
-			logger.debug("Looking for matching resources in directory tree [" + rootDir.getPath() + "]");
+		if (logger.isTraceEnabled()) {
+			logger.trace("Looking for matching resources in directory tree [" + rootDir.getPath() + "]");
 		}
 		Set<File> matchingFiles = retrieveMatchingFiles(rootDir, subPattern);
 		Set<Resource> result = new LinkedHashSet<>(matchingFiles.size());
@@ -748,14 +748,14 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 		}
 		if (!rootDir.isDirectory()) {
 			// Complain louder if it exists but is no directory.
-			if (logger.isWarnEnabled()) {
-				logger.warn("Skipping [" + rootDir.getAbsolutePath() + "] because it does not denote a directory");
+			if (logger.isInfoEnabled()) {
+				logger.info("Skipping [" + rootDir.getAbsolutePath() + "] because it does not denote a directory");
 			}
 			return Collections.emptySet();
 		}
 		if (!rootDir.canRead()) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Cannot search for matching files underneath directory [" + rootDir.getAbsolutePath() +
+			if (logger.isInfoEnabled()) {
+				logger.info("Cannot search for matching files underneath directory [" + rootDir.getAbsolutePath() +
 						"] because the application is not allowed to read the directory");
 			}
 			return Collections.emptySet();
@@ -780,8 +780,8 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 	 * @throws IOException if directory contents could not be retrieved
 	 */
 	protected void doRetrieveMatchingFiles(String fullPattern, File dir, Set<File> result) throws IOException {
-		if (logger.isDebugEnabled()) {
-			logger.debug("Searching directory [" + dir.getAbsolutePath() +
+		if (logger.isTraceEnabled()) {
+			logger.trace("Searching directory [" + dir.getAbsolutePath() +
 					"] for files matching pattern [" + fullPattern + "]");
 		}
 		for (File content : listDirectory(dir)) {
@@ -813,8 +813,8 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 	protected File[] listDirectory(File dir) {
 		File[] files = dir.listFiles();
 		if (files == null) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Could not retrieve contents of directory [" + dir.getAbsolutePath() + "]");
+			if (logger.isInfoEnabled()) {
+				logger.info("Could not retrieve contents of directory [" + dir.getAbsolutePath() + "]");
 			}
 			return new File[0];
 		}

spring-core/src/main/java/org/springframework/core/io/support/PropertiesLoaderSupport.java

@@ -174,8 +174,8 @@ public abstract class PropertiesLoaderSupport {
 	protected void loadProperties(Properties props) throws IOException {
 		if (this.locations != null) {
 			for (Resource location : this.locations) {
-				if (logger.isDebugEnabled()) {
-					logger.debug("Loading properties file from " + location);
+				if (logger.isTraceEnabled()) {
+					logger.trace("Loading properties file from " + location);
 				}
 				try {
 					PropertiesLoaderUtils.fillProperties(
@@ -183,8 +183,8 @@ public abstract class PropertiesLoaderSupport {
 				}
 				catch (FileNotFoundException | UnknownHostException ex) {
 					if (this.ignoreResourceNotFound) {
-						if (logger.isInfoEnabled()) {
-							logger.info("Properties resource not found: " + ex.getMessage());
+						if (logger.isDebugEnabled()) {
+							logger.debug("Properties resource not found: " + ex.getMessage());
 						}
 					}
 					else {

spring-jdbc/src/main/java/org/springframework/jdbc/core/JdbcTemplate.java

@@ -509,8 +509,8 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 			@Override
 			public Integer doInStatement(Statement stmt) throws SQLException {
 				int rows = stmt.executeUpdate(sql);
-				if (logger.isDebugEnabled()) {
-					logger.debug("SQL update affected " + rows + " rows");
+				if (logger.isTraceEnabled()) {
+					logger.trace("SQL update affected " + rows + " rows");
 				}
 				return rows;
 			}
@@ -865,8 +865,8 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 					pss.setValues(ps);
 				}
 				int rows = ps.executeUpdate();
-				if (logger.isDebugEnabled()) {
-					logger.debug("SQL update affected " + rows + " rows");
+				if (logger.isTraceEnabled()) {
+					logger.trace("SQL update affected " + rows + " rows");
 				}
 				return rows;
 			}
@@ -905,8 +905,8 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 					JdbcUtils.closeResultSet(keys);
 				}
 			}
-			if (logger.isDebugEnabled()) {
-				logger.debug("SQL update affected " + rows + " rows and returned " + generatedKeys.size() + " keys");
+			if (logger.isTraceEnabled()) {
+				logger.trace("SQL update affected " + rows + " rows and returned " + generatedKeys.size() + " keys");
 			}
 			return rows;
 		}));
@@ -999,7 +999,7 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 				boolean batchSupported = true;
 				if (!JdbcUtils.supportsBatchUpdates(ps.getConnection())) {
 					batchSupported = false;
-					logger.warn("JDBC Driver does not support Batch updates; resorting to single statement execution");
+					logger.debug("JDBC Driver does not support Batch updates; resorting to single statement execution");
 				}
 				int n = 0;
 				for (T obj : batchArgs) {
@@ -1008,10 +1008,10 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 					if (batchSupported) {
 						ps.addBatch();
 						if (n % batchSize == 0 || n == batchArgs.size()) {
-							if (logger.isDebugEnabled()) {
+							if (logger.isTraceEnabled()) {
 								int batchIdx = (n % batchSize == 0) ? n / batchSize : (n / batchSize) + 1;
 								int items = n - ((n % batchSize == 0) ? n / batchSize - 1 : (n / batchSize)) * batchSize;
-								logger.debug("Sending SQL batch update #" + batchIdx + " with " + items + " items");
+								logger.trace("Sending SQL batch update #" + batchIdx + " with " + items + " items");
 							}
 							rowsAffected.add(ps.executeBatch());
 						}
@@ -1116,9 +1116,9 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 		Map<String, Object> result = execute(csc, cs -> {
 			boolean retVal = cs.execute();
 			int updateCount = cs.getUpdateCount();
-			if (logger.isDebugEnabled()) {
-				logger.debug("CallableStatement.execute() returned '" + retVal + "'");
-				logger.debug("CallableStatement.getUpdateCount() returned " + updateCount);
+			if (logger.isTraceEnabled()) {
+				logger.trace("CallableStatement.execute() returned '" + retVal + "'");
+				logger.trace("CallableStatement.getUpdateCount() returned " + updateCount);
 			}
 			Map<String, Object> returnedResults = createResultsMap();
 			if (retVal || updateCount != -1) {
@@ -1159,8 +1159,8 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 						if (!this.skipUndeclaredResults) {
 							String rsName = RETURN_RESULT_SET_PREFIX + (rsIndex + 1);
 							SqlReturnResultSet undeclaredRsParam = new SqlReturnResultSet(rsName, getColumnMapRowMapper());
-							if (logger.isDebugEnabled()) {
-								logger.debug("Added default SqlReturnResultSet parameter named '" + rsName + "'");
+							if (logger.isTraceEnabled()) {
+								logger.trace("Added default SqlReturnResultSet parameter named '" + rsName + "'");
 							}
 							returnedResults.putAll(processResultSet(cs.getResultSet(), undeclaredRsParam));
 							rsIndex++;
@@ -1177,8 +1177,8 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 					else {
 						if (!this.skipUndeclaredResults) {
 							String undeclaredName = RETURN_UPDATE_COUNT_PREFIX + (updateIndex + 1);
-							if (logger.isDebugEnabled()) {
-								logger.debug("Added default SqlReturnUpdateCount parameter named '" + undeclaredName + "'");
+							if (logger.isTraceEnabled()) {
+								logger.trace("Added default SqlReturnUpdateCount parameter named '" + undeclaredName + "'");
 							}
 							returnedResults.put(undeclaredName, updateCount);
 							updateIndex++;
@@ -1187,8 +1187,8 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 				}
 				moreResults = cs.getMoreResults();
 				updateCount = cs.getUpdateCount();
-				if (logger.isDebugEnabled()) {
-					logger.debug("CallableStatement.getUpdateCount() returned " + updateCount);
+				if (logger.isTraceEnabled()) {
+					logger.trace("CallableStatement.getUpdateCount() returned " + updateCount);
 				}
 			}
 			while (moreResults || updateCount != -1);
@@ -1226,8 +1226,8 @@ public class JdbcTemplate extends JdbcAccessor implements JdbcOperations {
 							String rsName = outParam.getName();
 							SqlReturnResultSet rsParam = new SqlReturnResultSet(rsName, getColumnMapRowMapper());
 							returnedResults.putAll(processResultSet((ResultSet) out, rsParam));
-							if (logger.isDebugEnabled()) {
-								logger.debug("Added default SqlReturnResultSet parameter named '" + rsName + "'");
+							if (logger.isTraceEnabled()) {
+								logger.trace("Added default SqlReturnResultSet parameter named '" + rsName + "'");
 							}
 						}
 					}

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallMetaDataContext.java

@@ -292,7 +292,7 @@ public class CallMetaDataContext {
 		}
 		else {
 			if (this.outParameterNames.size() > 1) {
-				logger.warn("Accessing single output value when procedure has more than one output parameter");
+				logger.info("Accessing single output value when procedure has more than one output parameter");
 			}
 			return (!this.outParameterNames.isEmpty() ? this.outParameterNames.get(0) : null);
 		}
@@ -520,8 +520,8 @@ public class CallMetaDataContext {
 										matchedParameters.put(parameterName,
 												SqlParameterSourceUtils.getTypedValue(parameterSource, sourceName));
 									}
-									else {
-										logger.warn("Unable to locate the corresponding parameter value for '" +
+									else if (logger.isInfoEnabled()) {
+										logger.info("Unable to locate the corresponding parameter value for '" +
 												parameterName + "' within the parameter values provided: " +
 												caseInsensitiveParameterNames.values());
 									}
@@ -587,8 +587,8 @@ public class CallMetaDataContext {
 			for (String parameterName : callParameterNames.keySet()) {
 				String parameterNameToMatch = provider.parameterNameToUse(parameterName);
 				String callParameterName = callParameterNames.get(lowerCase(parameterNameToMatch));
-				if (!matchedParameters.containsKey(callParameterName)) {
-					logger.warn("Unable to locate the corresponding parameter value for '" + parameterName +
+				if (!matchedParameters.containsKey(callParameterName) && logger.isInfoEnabled()) {
+					logger.info("Unable to locate the corresponding parameter value for '" + parameterName +
 							"' within the parameter values provided: " + inParameters.keySet());
 				}
 			}

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/CallMetaDataProviderFactory.java

@@ -76,24 +76,24 @@ public final class CallMetaDataProviderFactory {
 				boolean accessProcedureColumnMetaData = context.isAccessCallParameterMetaData();
 				if (context.isFunction()) {
 					if (!supportedDatabaseProductsForFunctions.contains(databaseProductName)) {
-						if (logger.isWarnEnabled()) {
-							logger.warn(databaseProductName + " is not one of the databases fully supported for function calls " +
+						if (logger.isInfoEnabled()) {
+							logger.info(databaseProductName + " is not one of the databases fully supported for function calls " +
 									"-- supported are: " + supportedDatabaseProductsForFunctions);
 						}
 						if (accessProcedureColumnMetaData) {
-							logger.warn("Metadata processing disabled - you must specify all parameters explicitly");
+							logger.info("Metadata processing disabled - you must specify all parameters explicitly");
 							accessProcedureColumnMetaData = false;
 						}
 					}
 				}
 				else {
 					if (!supportedDatabaseProductsForProcedures.contains(databaseProductName)) {
-						if (logger.isWarnEnabled()) {
-							logger.warn(databaseProductName + " is not one of the databases fully supported for procedure calls " +
+						if (logger.isInfoEnabled()) {
+							logger.info(databaseProductName + " is not one of the databases fully supported for procedure calls " +
 									"-- supported are: " + supportedDatabaseProductsForProcedures);
 						}
 						if (accessProcedureColumnMetaData) {
-							logger.warn("Metadata processing disabled - you must specify all parameters explicitly");
+							logger.info("Metadata processing disabled - you must specify all parameters explicitly");
 							accessProcedureColumnMetaData = false;
 						}
 					}

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/DerbyTableMetaDataProvider.java

@@ -40,8 +40,8 @@ public class DerbyTableMetaDataProvider extends GenericTableMetaDataProvider {
 	public void initializeWithMetaData(DatabaseMetaData databaseMetaData) throws SQLException {
 		super.initializeWithMetaData(databaseMetaData);
 		if (!databaseMetaData.supportsGetGeneratedKeys()) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Overriding supportsGetGeneratedKeys from DatabaseMetaData to 'true'; it was reported as " +
+			if (logger.isInfoEnabled()) {
+				logger.info("Overriding supportsGetGeneratedKeys from DatabaseMetaData to 'true'; it was reported as " +
 						"'false' by " + databaseMetaData.getDriverName() + " " + databaseMetaData.getDriverVersion());
 			}
 			this.supportsGeneratedKeysOverride = true;

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/GenericTableMetaDataProvider.java

@@ -338,8 +338,8 @@ public class GenericTableMetaDataProvider implements TableMetaDataProvider {
 		}
 
 		if (tableMeta.isEmpty()) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Unable to locate table meta-data for '" + tableName + "': column names must be provided");
+			if (logger.isInfoEnabled()) {
+				logger.info("Unable to locate table meta-data for '" + tableName + "': column names must be provided");
 			}
 		}
 		else {

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/OracleTableMetaDataProvider.java

@@ -122,7 +122,7 @@ public class OracleTableMetaDataProvider extends GenericTableMetaDataProvider {
 
 		Connection con = databaseMetaData.getConnection();
 		if (con == null) {
-			logger.warn("Unable to include synonyms in table meta-data lookup - no Connection from DatabaseMetaData");
+			logger.info("Unable to include synonyms in table meta-data lookup - no Connection from DatabaseMetaData");
 			super.initializeWithTableColumnMetaData(databaseMetaData, catalogName, schemaName, tableName);
 			return;
 		}
@@ -132,8 +132,8 @@ public class OracleTableMetaDataProvider extends GenericTableMetaDataProvider {
 			con = (Connection) con.unwrap(oracleConClass);
 		}
 		catch (ClassNotFoundException | SQLException ex) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Unable to include synonyms in table meta-data lookup - no Oracle Connection: " + ex);
+			if (logger.isInfoEnabled()) {
+				logger.info("Unable to include synonyms in table meta-data lookup - no Oracle Connection: " + ex);
 			}
 			super.initializeWithTableColumnMetaData(databaseMetaData, catalogName, schemaName, tableName);
 			return;

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/TableMetaDataContext.java

@@ -294,8 +294,10 @@ public class TableMetaDataContext {
 		insertStatement.append(") VALUES(");
 		if (columnCount < 1) {
 			if (this.generatedKeyColumnsUsed) {
-				logger.info("Unable to locate non-key columns for table '" +
-						getTableName() + "' so an empty insert statement is generated");
+				if (logger.isDebugEnabled()) {
+					logger.debug("Unable to locate non-key columns for table '" +
+							getTableName() + "' so an empty insert statement is generated");
+				}
 			}
 			else {
 				throw new InvalidDataAccessApiUsageException("Unable to locate columns for table '" +

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/DriverManagerDataSource.java

@@ -129,8 +129,8 @@ public class DriverManagerDataSource extends AbstractDriverBasedDataSource {
 		catch (ClassNotFoundException ex) {
 			throw new IllegalStateException("Could not load JDBC driver class [" + driverClassNameToUse + "]", ex);
 		}
-		if (logger.isInfoEnabled()) {
-			logger.info("Loaded JDBC driver: " + driverClassNameToUse);
+		if (logger.isDebugEnabled()) {
+			logger.debug("Loaded JDBC driver: " + driverClassNameToUse);
 		}
 	}
 

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/LazyConnectionDataSourceProxy.java

@@ -168,7 +168,7 @@ public class LazyConnectionDataSourceProxy extends DelegatingDataSource {
 				}
 			}
 			catch (SQLException ex) {
-				logger.warn("Could not retrieve default auto-commit and transaction isolation settings", ex);
+				logger.info("Could not retrieve default auto-commit and transaction isolation settings", ex);
 			}
 		}
 	}

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/SingleConnectionDataSource.java

@@ -223,8 +223,8 @@ public class SingleConnectionDataSource extends DriverManagerDataSource implemen
 			closeConnection();
 			this.target = getConnectionFromDriver(getUsername(), getPassword());
 			prepareConnection(this.target);
-			if (logger.isInfoEnabled()) {
-				logger.info("Established shared JDBC Connection: " + this.target);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Established shared JDBC Connection: " + this.target);
 			}
 			this.connection = (isSuppressClose() ? getCloseSuppressingConnectionProxy(this.target) : this.target);
 		}
@@ -264,7 +264,7 @@ public class SingleConnectionDataSource extends DriverManagerDataSource implemen
 				this.target.close();
 			}
 			catch (Throwable ex) {
-				logger.warn("Could not close shared JDBC Connection", ex);
+				logger.info("Could not close shared JDBC Connection", ex);
 			}
 		}
 	}

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/embedded/AbstractEmbeddedDatabaseConfigurer.java

@@ -46,7 +46,7 @@ abstract class AbstractEmbeddedDatabaseConfigurer implements EmbeddedDatabaseCon
 			}
 		}
 		catch (SQLException ex) {
-			logger.warn("Could not shut down embedded database", ex);
+			logger.info("Could not shut down embedded database", ex);
 		}
 		finally {
 			if (con != null) {

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/embedded/EmbeddedDatabaseFactory.java

@@ -187,7 +187,7 @@ public class EmbeddedDatabaseFactory {
 			if (this.dataSource instanceof SimpleDriverDataSource) {
 				SimpleDriverDataSource simpleDriverDataSource = (SimpleDriverDataSource) this.dataSource;
 				logger.info(String.format("Starting embedded database: url='%s', username='%s'",
-					simpleDriverDataSource.getUrl(), simpleDriverDataSource.getUsername()));
+						simpleDriverDataSource.getUrl(), simpleDriverDataSource.getUsername()));
 			}
 			else {
 				logger.info(String.format("Starting embedded database '%s'", this.databaseName));

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/init/ScriptUtils.java

@@ -440,8 +440,8 @@ public abstract class ScriptUtils {
 			String blockCommentStartDelimiter, String blockCommentEndDelimiter) throws ScriptException {
 
 		try {
-			if (logger.isInfoEnabled()) {
-				logger.info("Executing SQL script from " + resource);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Executing SQL script from " + resource);
 			}
 			long startTime = System.currentTimeMillis();
 
@@ -501,13 +501,13 @@ public abstract class ScriptUtils {
 					stmt.close();
 				}
 				catch (Throwable ex) {
-					logger.debug("Could not close JDBC Statement", ex);
+					logger.trace("Could not close JDBC Statement", ex);
 				}
 			}
 
 			long elapsedTime = System.currentTimeMillis() - startTime;
-			if (logger.isInfoEnabled()) {
-				logger.info("Executed SQL script from " + resource + " in " + elapsedTime + " ms.");
+			if (logger.isDebugEnabled()) {
+				logger.debug("Executed SQL script from " + resource + " in " + elapsedTime + " ms.");
 			}
 		}
 		catch (Exception ex) {

spring-jdbc/src/main/java/org/springframework/jdbc/support/CustomSQLExceptionTranslatorRegistry.java

@@ -66,6 +66,7 @@ public final class CustomSQLExceptionTranslatorRegistry {
 	private CustomSQLExceptionTranslatorRegistry() {
 	}
 
+
 	/**
 	 * Register a new custom translator for the specified database name.
 	 * @param dbName the database name
@@ -74,11 +75,11 @@ public final class CustomSQLExceptionTranslatorRegistry {
 	public void registerTranslator(String dbName, SQLExceptionTranslator translator) {
 		SQLExceptionTranslator replaced = this.translatorMap.put(dbName, translator);
 		if (replaced != null) {
-			logger.warn("Replacing custom translator [" + replaced + "] for database '" + dbName +
+			logger.debug("Replacing custom translator [" + replaced + "] for database '" + dbName +
 					"' with [" + translator + "]");
 		}
 		else {
-			logger.info("Adding custom translator of type [" + translator.getClass().getName() +
+			logger.debug("Adding custom translator of type [" + translator.getClass().getName() +
 					"] for database '" + dbName + "'");
 		}
 	}

spring-jdbc/src/main/java/org/springframework/jdbc/support/DatabaseStartupValidator.java

@@ -139,7 +139,7 @@ public class DatabaseStartupValidator implements InitializingBean {
 					if (logger.isWarnEnabled()) {
 						float rest = ((float) (deadLine - System.currentTimeMillis())) / 1000;
 						if (rest > this.interval) {
-							logger.warn("Database has not started up yet - retrying in " + this.interval +
+							logger.info("Database has not started up yet - retrying in " + this.interval +
 									" seconds (timeout in " + rest + " seconds)");
 						}
 					}

spring-jdbc/src/main/java/org/springframework/jdbc/support/SQLErrorCodesFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -112,20 +112,20 @@ public class SQLErrorCodesFactory {
 				bdr.loadBeanDefinitions(resource);
 			}
 			else {
-				logger.warn("Default sql-error-codes.xml not found (should be included in spring.jar)");
+				logger.info("Default sql-error-codes.xml not found (should be included in spring-jdbc jar)");
 			}
 
 			// Load custom SQL error codes, overriding defaults.
 			resource = loadResource(SQL_ERROR_CODE_OVERRIDE_PATH);
 			if (resource != null && resource.exists()) {
 				bdr.loadBeanDefinitions(resource);
-				logger.info("Found custom sql-error-codes.xml file at the root of the classpath");
+				logger.debug("Found custom sql-error-codes.xml file at the root of the classpath");
 			}
 
 			// Check all beans of type SQLErrorCodes.
 			errorCodes = lbf.getBeansOfType(SQLErrorCodes.class, true, false);
-			if (logger.isInfoEnabled()) {
-				logger.info("SQLErrorCodes loaded: " + errorCodes.keySet());
+			if (logger.isTraceEnabled()) {
+				logger.trace("SQLErrorCodes loaded: " + errorCodes.keySet());
 			}
 		}
 		catch (BeansException ex) {
@@ -280,14 +280,14 @@ public class SQLErrorCodesFactory {
 		SQLExceptionTranslator customTranslator =
 				CustomSQLExceptionTranslatorRegistry.getInstance().findTranslatorForDatabase(databaseName);
 		if (customTranslator != null) {
-			if (errorCodes.getCustomSqlExceptionTranslator() != null && logger.isWarnEnabled()) {
-				logger.warn("Overriding already defined custom translator '" +
+			if (errorCodes.getCustomSqlExceptionTranslator() != null && logger.isDebugEnabled()) {
+				logger.debug("Overriding already defined custom translator '" +
 						errorCodes.getCustomSqlExceptionTranslator().getClass().getSimpleName() +
 						" with '" + customTranslator.getClass().getSimpleName() +
 						"' found in the CustomSQLExceptionTranslatorRegistry for database '" + databaseName + "'");
 			}
-			else if (logger.isInfoEnabled()) {
-				logger.info("Using custom translator '" + customTranslator.getClass().getSimpleName() +
+			else if (logger.isTraceEnabled()) {
+				logger.trace("Using custom translator '" + customTranslator.getClass().getSimpleName() +
 						"' found in the CustomSQLExceptionTranslatorRegistry for database '" + databaseName + "'");
 			}
 			errorCodes.setCustomSqlExceptionTranslator(customTranslator);

spring-jdbc/src/main/java/org/springframework/jdbc/support/lob/TemporaryLobCreator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -179,16 +179,21 @@ public class TemporaryLobCreator implements LobCreator {
 
 	@Override
 	public void close() {
-		try {
-			for (Blob blob : this.temporaryBlobs) {
+		for (Blob blob : this.temporaryBlobs) {
+			try {
 				blob.free();
 			}
-			for (Clob clob : this.temporaryClobs) {
-				clob.free();
+			catch (SQLException ex) {
+				logger.warn("Could not free BLOB", ex);
 			}
 		}
-		catch (SQLException ex) {
-			logger.error("Could not free LOB", ex);
+		for (Clob clob : this.temporaryClobs) {
+			try {
+				clob.free();
+			}
+			catch (SQLException ex) {
+				logger.warn("Could not free CLOB", ex);
+			}
 		}
 	}
 

spring-jms/src/main/java/org/springframework/jms/config/DefaultJmsListenerContainerFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -162,7 +162,7 @@ public class DefaultJmsListenerContainerFactory
 		if (this.backOff != null) {
 			container.setBackOff(this.backOff);
 			if (this.recoveryInterval != null) {
-				logger.warn("Ignoring recovery interval in DefaultJmsListenerContainerFactory in favor of BackOff");
+				logger.info("Ignoring recovery interval in DefaultJmsListenerContainerFactory in favor of BackOff");
 			}
 		}
 		else if (this.recoveryInterval != null) {

spring-jms/src/main/java/org/springframework/jms/connection/SingleConnectionFactory.java

@@ -345,8 +345,8 @@ public class SingleConnectionFactory implements ConnectionFactory, QueueConnecti
 			if (this.startedCount > 0) {
 				this.connection.start();
 			}
-			if (logger.isInfoEnabled()) {
-				logger.info("Established shared JMS Connection: " + this.connection);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Established shared JMS Connection: " + this.connection);
 			}
 		}
 	}
@@ -357,7 +357,7 @@ public class SingleConnectionFactory implements ConnectionFactory, QueueConnecti
 	 */
 	@Override
 	public void onException(JMSException ex) {
-		logger.warn("Encountered a JMSException - resetting the underlying JMS Connection", ex);
+		logger.info("Encountered a JMSException - resetting the underlying JMS Connection", ex);
 		resetConnection();
 	}
 

spring-jms/src/main/java/org/springframework/jms/listener/DefaultMessageListenerContainer.java

@@ -875,7 +875,7 @@ public class DefaultMessageListenerContainer extends AbstractPollingMessageListe
 		}
 		if (ex instanceof SharedConnectionNotInitializedException) {
 			if (!alreadyRecovered) {
-				logger.info("JMS message listener invoker needs to establish shared Connection");
+				logger.debug("JMS message listener invoker needs to establish shared Connection");
 			}
 		}
 		else {
@@ -943,7 +943,7 @@ public class DefaultMessageListenerContainer extends AbstractPollingMessageListe
 					Connection con = createConnection();
 					JmsUtils.closeConnection(con);
 				}
-				logger.info("Successfully refreshed JMS Connection");
+				logger.debug("Successfully refreshed JMS Connection");
 				break;
 			}
 			catch (Exception ex) {

spring-jms/src/main/java/org/springframework/jms/listener/SimpleMessageListenerContainer.java

@@ -236,8 +236,8 @@ public class SimpleMessageListenerContainer extends AbstractMessageListenerConta
 		invokeExceptionListener(ex);
 
 		// Now try to recover the shared Connection and all consumers...
-		if (logger.isInfoEnabled()) {
-			logger.info("Trying to recover from JMS Connection exception: " + ex);
+		if (logger.isDebugEnabled()) {
+			logger.debug("Trying to recover from JMS Connection exception: " + ex);
 		}
 		try {
 			synchronized (this.consumersMonitor) {
@@ -246,7 +246,7 @@ public class SimpleMessageListenerContainer extends AbstractMessageListenerConta
 			}
 			refreshSharedConnection();
 			initializeConsumers();
-			logger.info("Successfully refreshed JMS Connection");
+			logger.debug("Successfully refreshed JMS Connection");
 		}
 		catch (JMSException recoverEx) {
 			logger.debug("Failed to recover JMS Connection", recoverEx);

spring-jms/src/main/java/org/springframework/jms/remoting/JmsInvokerServiceExporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -184,8 +184,8 @@ public class JmsInvokerServiceExporter extends RemoteInvocationBasedExporter
 	@Nullable
 	protected RemoteInvocation onInvalidRequest(Message requestMessage) throws JMSException {
 		if (this.ignoreInvalidRequests) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Invalid request message will be discarded: " + requestMessage);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Invalid request message will be discarded: " + requestMessage);
 			}
 			return null;
 		}

spring-jms/src/main/java/org/springframework/jms/support/SimpleJmsHeaderMapper.java

@@ -71,7 +71,7 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 					jmsMessage.setJMSCorrelationID((String) jmsCorrelationId);
 				}
 				catch (Exception ex) {
-					logger.info("Failed to set JMSCorrelationID - skipping", ex);
+					logger.debug("Failed to set JMSCorrelationID - skipping", ex);
 				}
 			}
 			Destination jmsReplyTo = getHeaderIfAvailable(headers, JmsHeaders.REPLY_TO, Destination.class);
@@ -80,7 +80,7 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 					jmsMessage.setJMSReplyTo(jmsReplyTo);
 				}
 				catch (Exception ex) {
-					logger.info("Failed to set JMSReplyTo - skipping", ex);
+					logger.debug("Failed to set JMSReplyTo - skipping", ex);
 				}
 			}
 			String jmsType = getHeaderIfAvailable(headers, JmsHeaders.TYPE, String.class);
@@ -89,7 +89,7 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 					jmsMessage.setJMSType(jmsType);
 				}
 				catch (Exception ex) {
-					logger.info("Failed to set JMSType - skipping", ex);
+					logger.debug("Failed to set JMSType - skipping", ex);
 				}
 			}
 			Set<String> headerNames = headers.keySet();
@@ -108,8 +108,8 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 											"' since it cannot be set by client");
 								}
 							}
-							else if (logger.isWarnEnabled()) {
-								logger.warn("Failed to map message header '" + headerName + "' to JMS property", ex);
+							else if (logger.isDebugEnabled()) {
+								logger.debug("Failed to map message header '" + headerName + "' to JMS property", ex);
 							}
 						}
 					}
@@ -117,8 +117,8 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 			}
 		}
 		catch (Exception ex) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Error occurred while mapping from MessageHeaders to JMS properties", ex);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Error occurred while mapping from MessageHeaders to JMS properties", ex);
 			}
 		}
 	}
@@ -134,7 +134,7 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSCorrelationID property - skipping", ex);
+				logger.debug("Failed to read JMSCorrelationID property - skipping", ex);
 			}
 			try {
 				Destination destination = jmsMessage.getJMSDestination();
@@ -143,21 +143,21 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSDestination property - skipping", ex);
+				logger.debug("Failed to read JMSDestination property - skipping", ex);
 			}
 			try {
 				int deliveryMode = jmsMessage.getJMSDeliveryMode();
 				headers.put(JmsHeaders.DELIVERY_MODE, deliveryMode);
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSDeliveryMode property - skipping", ex);
+				logger.debug("Failed to read JMSDeliveryMode property - skipping", ex);
 			}
 			try {
 				long expiration = jmsMessage.getJMSExpiration();
 				headers.put(JmsHeaders.EXPIRATION, expiration);
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSExpiration property - skipping", ex);
+				logger.debug("Failed to read JMSExpiration property - skipping", ex);
 			}
 			try {
 				String messageId = jmsMessage.getJMSMessageID();
@@ -166,13 +166,13 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSMessageID property - skipping", ex);
+				logger.debug("Failed to read JMSMessageID property - skipping", ex);
 			}
 			try {
 				headers.put(JmsHeaders.PRIORITY, jmsMessage.getJMSPriority());
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSPriority property - skipping", ex);
+				logger.debug("Failed to read JMSPriority property - skipping", ex);
 			}
 			try {
 				Destination replyTo = jmsMessage.getJMSReplyTo();
@@ -181,13 +181,13 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSReplyTo property - skipping", ex);
+				logger.debug("Failed to read JMSReplyTo property - skipping", ex);
 			}
 			try {
 				headers.put(JmsHeaders.REDELIVERED, jmsMessage.getJMSRedelivered());
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSRedelivered property - skipping", ex);
+				logger.debug("Failed to read JMSRedelivered property - skipping", ex);
 			}
 			try {
 				String type = jmsMessage.getJMSType();
@@ -196,13 +196,13 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 				}
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSType property - skipping", ex);
+				logger.debug("Failed to read JMSType property - skipping", ex);
 			}
 			try {
 				headers.put(JmsHeaders.TIMESTAMP, jmsMessage.getJMSTimestamp());
 			}
 			catch (Exception ex) {
-				logger.info("Failed to read JMSTimestamp property - skipping", ex);
+				logger.debug("Failed to read JMSTimestamp property - skipping", ex);
 			}
 
 			Enumeration<?> jmsPropertyNames = jmsMessage.getPropertyNames();
@@ -214,8 +214,8 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 						headers.put(headerName, jmsMessage.getObjectProperty(propertyName));
 					}
 					catch (Exception ex) {
-						if (logger.isWarnEnabled()) {
-							logger.warn("Error occurred while mapping JMS property '" + propertyName +
+						if (logger.isDebugEnabled()) {
+							logger.debug("Error occurred while mapping JMS property '" + propertyName +
 									"' to Message header", ex);
 						}
 					}
@@ -223,8 +223,8 @@ public class SimpleJmsHeaderMapper extends AbstractHeaderMapper<Message> impleme
 			}
 		}
 		catch (JMSException ex) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Error occurred while mapping from JMS properties to MessageHeaders", ex);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Error occurred while mapping from JMS properties to MessageHeaders", ex);
 			}
 		}
 		return new MessageHeaders(headers);

spring-messaging/src/main/java/org/springframework/messaging/handler/annotation/support/HeaderMethodArgumentResolver.java

@@ -69,8 +69,8 @@ public class HeaderMethodArgumentResolver extends AbstractNamedValueMethodArgume
 		Object nativeHeaderValue = getNativeHeaderValue(message, name);
 
 		if (headerValue != null && nativeHeaderValue != null) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Message headers contain two values for the same header '" + name + "', " +
+			if (logger.isDebugEnabled()) {
+				logger.debug("Message headers contain two values for the same header '" + name + "', " +
 						"one in the top level header map and a second in the nested map with native headers. " +
 						"Using the value from top level map. " +
 						"Use 'nativeHeader.myHeader' to resolve to the value from the nested native header map.");

spring-messaging/src/main/java/org/springframework/messaging/handler/invocation/AbstractMethodMessageHandler.java

@@ -344,8 +344,8 @@ public abstract class AbstractMethodMessageHandler<T>
 		}
 
 		this.handlerMethods.put(mapping, newHandlerMethod);
-		if (logger.isInfoEnabled()) {
-			logger.info("Mapped \"" + mapping + "\" onto " + newHandlerMethod);
+		if (logger.isTraceEnabled()) {
+			logger.trace("Mapped \"" + mapping + "\" onto " + newHandlerMethod);
 		}
 
 		for (String pattern : getDirectLookupDestinations(mapping)) {

spring-messaging/src/main/java/org/springframework/messaging/simp/stomp/StompBrokerRelayMessageHandler.java

@@ -630,8 +630,8 @@ public class StompBrokerRelayMessageHandler extends AbstractBrokerMessageHandler
 		 * the TCP connection, failure to send a message, missed heartbeat, etc.
 		 */
 		protected void handleTcpConnectionFailure(String error, @Nullable Throwable ex) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("TCP connection failure in session " + this.sessionId + ": " + error, ex);
+			if (logger.isInfoEnabled()) {
+				logger.info("TCP connection failure in session " + this.sessionId + ": " + error, ex);
 			}
 			try {
 				sendStompErrorFrameToClient(error);

spring-messaging/src/main/java/org/springframework/messaging/simp/stomp/StompDecoder.java

@@ -299,8 +299,8 @@ public class StompDecoder {
 			contentLength = headerAccessor.getContentLength();
 		}
 		catch (NumberFormatException ex) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Ignoring invalid content-length: '" + headerAccessor);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Ignoring invalid content-length: '" + headerAccessor);
 			}
 			contentLength = null;
 		}

spring-messaging/src/main/java/org/springframework/messaging/support/AbstractHeaderMapper.java

@@ -97,8 +97,8 @@ public abstract class AbstractHeaderMapper<T> implements HeaderMapper<T> {
 			return null;
 		}
 		if (!type.isAssignableFrom(value.getClass())) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Skipping header '" + name + "'expected type [" + type + "], but got [" +
+			if (logger.isDebugEnabled()) {
+				logger.debug("Skipping header '" + name + "': expected type [" + type + "], but got [" +
 						value.getClass() + "]");
 			}
 			return null;

spring-orm/src/main/java/org/springframework/orm/hibernate5/HibernateTransactionManager.java

@@ -374,8 +374,8 @@ public class HibernateTransactionManager extends AbstractPlatformTransactionMana
 			DataSource sfds = SessionFactoryUtils.getDataSource(getSessionFactory());
 			if (sfds != null) {
 				// Use the SessionFactory's DataSource for exposing transactions to JDBC code.
-				if (logger.isInfoEnabled()) {
-					logger.info("Using DataSource [" + sfds +
+				if (logger.isDebugEnabled()) {
+					logger.debug("Using DataSource [" + sfds +
 							"] of Hibernate SessionFactory for HibernateTransactionManager");
 				}
 				setDataSource(sfds);

spring-orm/src/main/java/org/springframework/orm/jpa/LocalContainerEntityManagerFactoryBean.java

@@ -357,8 +357,8 @@ public class LocalContainerEntityManagerFactoryBean extends AbstractEntityManage
 			provider = (PersistenceProvider) BeanUtils.instantiateClass(providerClass);
 		}
 
-		if (logger.isInfoEnabled()) {
-			logger.info("Building JPA container EntityManagerFactory for persistence unit '" +
+		if (logger.isDebugEnabled()) {
+			logger.debug("Building JPA container EntityManagerFactory for persistence unit '" +
 					this.persistenceUnitInfo.getPersistenceUnitName() + "'");
 		}
 		EntityManagerFactory emf =

spring-orm/src/main/java/org/springframework/orm/jpa/LocalEntityManagerFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -77,8 +77,8 @@ public class LocalEntityManagerFactoryBean extends AbstractEntityManagerFactoryB
 	 */
 	@Override
 	protected EntityManagerFactory createNativeEntityManagerFactory() throws PersistenceException {
-		if (logger.isInfoEnabled()) {
-			logger.info("Building JPA EntityManagerFactory for persistence unit '" + getPersistenceUnitName() + "'");
+		if (logger.isDebugEnabled()) {
+			logger.debug("Building JPA EntityManagerFactory for persistence unit '" + getPersistenceUnitName() + "'");
 		}
 		PersistenceProvider provider = getPersistenceProvider();
 		if (provider != null) {

spring-orm/src/main/java/org/springframework/orm/jpa/persistenceunit/DefaultPersistenceUnitManager.java

@@ -513,8 +513,8 @@ public class DefaultPersistenceUnitManager
 
 		if (buildDefaultUnit) {
 			if (foundDefaultUnit) {
-				if (logger.isInfoEnabled()) {
-					logger.info("Found explicit default unit with name '" + defaultName + "' in persistence.xml - " +
+				if (logger.isDebugEnabled()) {
+					logger.debug("Found explicit default unit with name '" + defaultName + "' in persistence.xml - " +
 							"overriding local default unit settings ('packagesToScan'/'mappingResources')");
 				}
 			}

spring-oxm/src/main/java/org/springframework/oxm/jaxb/Jaxb2Marshaller.java

@@ -515,8 +515,8 @@ public class Jaxb2Marshaller implements MimeMarshaller, MimeUnmarshaller, Generi
 	}
 
 	private JAXBContext createJaxbContextFromContextPath(String contextPath) throws JAXBException {
-		if (logger.isInfoEnabled()) {
-			logger.info("Creating JAXBContext with context path [" + this.contextPath + "]");
+		if (logger.isDebugEnabled()) {
+			logger.debug("Creating JAXBContext with context path [" + this.contextPath + "]");
 		}
 		if (this.jaxbContextProperties != null) {
 			if (this.beanClassLoader != null) {
@@ -539,8 +539,8 @@ public class Jaxb2Marshaller implements MimeMarshaller, MimeUnmarshaller, Generi
 	}
 
 	private JAXBContext createJaxbContextFromClasses(Class<?>... classesToBeBound) throws JAXBException {
-		if (logger.isInfoEnabled()) {
-			logger.info("Creating JAXBContext with classes to be bound [" +
+		if (logger.isDebugEnabled()) {
+			logger.debug("Creating JAXBContext with classes to be bound [" +
 					StringUtils.arrayToCommaDelimitedString(classesToBeBound) + "]");
 		}
 		if (this.jaxbContextProperties != null) {
@@ -552,8 +552,8 @@ public class Jaxb2Marshaller implements MimeMarshaller, MimeUnmarshaller, Generi
 	}
 
 	private JAXBContext createJaxbContextFromPackages(String... packagesToScan) throws JAXBException {
-		if (logger.isInfoEnabled()) {
-			logger.info("Creating JAXBContext by scanning packages [" +
+		if (logger.isDebugEnabled()) {
+			logger.debug("Creating JAXBContext by scanning packages [" +
 					StringUtils.arrayToCommaDelimitedString(packagesToScan) + "]");
 		}
 		ClassPathJaxb2TypeScanner scanner = new ClassPathJaxb2TypeScanner(this.beanClassLoader, packagesToScan);
@@ -869,7 +869,7 @@ public class Jaxb2Marshaller implements MimeMarshaller, MimeUnmarshaller, Generi
 			return new SAXSource(xmlReader, inputSource);
 		}
 		catch (SAXException ex) {
-			logger.warn("Processing of external entities could not be disabled", ex);
+			logger.info("Processing of external entities could not be disabled", ex);
 			return source;
 		}
 	}

spring-oxm/src/main/java/org/springframework/oxm/jibx/JibxMarshaller.java

@@ -217,14 +217,15 @@ public class JibxMarshaller extends AbstractMarshaller implements InitializingBe
 	public void afterPropertiesSet() throws JiBXException {
 		if (this.targetClass != null) {
 			if (StringUtils.hasLength(this.bindingName)) {
-				if (logger.isInfoEnabled()) {
-					logger.info("Configured for target class [" + this.targetClass + "] using binding [" + this.bindingName + "]");
+				if (logger.isDebugEnabled()) {
+					logger.debug("Configured for target class [" + this.targetClass +
+							"] using binding [" + this.bindingName + "]");
 				}
 				this.bindingFactory = BindingDirectory.getFactory(this.bindingName, this.targetClass);
 			}
 			else {
-				if (logger.isInfoEnabled()) {
-					logger.info("Configured for target class [" + this.targetClass + "]");
+				if (logger.isDebugEnabled()) {
+					logger.debug("Configured for target class [" + this.targetClass + "]");
 				}
 				this.bindingFactory = BindingDirectory.getFactory(this.targetClass);
 			}
@@ -233,8 +234,9 @@ public class JibxMarshaller extends AbstractMarshaller implements InitializingBe
 			if (!StringUtils.hasLength(this.bindingName)) {
 				this.bindingName = DEFAULT_BINDING_NAME;
 			}
-			if (logger.isInfoEnabled()) {
-				logger.info("Configured for target package [" + this.targetPackage	+ "] using binding [" + this.bindingName + "]");
+			if (logger.isDebugEnabled()) {
+				logger.debug("Configured for target package [" + this.targetPackage +
+						"] using binding [" + this.bindingName + "]");
 			}
 			this.bindingFactory = BindingDirectory.getFactory(this.bindingName, this.targetPackage);
 		}

spring-test/src/main/java/org/springframework/mock/web/MockServletContext.java

@@ -311,7 +311,9 @@ public class MockServletContext implements ServletContext {
 			return resourcePaths;
 		}
 		catch (IOException ex) {
-			logger.warn("Couldn't get resource paths for " + resource, ex);
+			if (logger.isWarnEnabled()) {
+				logger.warn("Could not get resource paths for " + resource, ex);
+			}
 			return null;
 		}
 	}
@@ -330,7 +332,9 @@ public class MockServletContext implements ServletContext {
 			throw ex;
 		}
 		catch (IOException ex) {
-			logger.warn("Couldn't get URL for " + resource, ex);
+			if (logger.isWarnEnabled()) {
+				logger.warn("Could not get URL for " + resource, ex);
+			}
 			return null;
 		}
 	}
@@ -346,7 +350,9 @@ public class MockServletContext implements ServletContext {
 			return resource.getInputStream();
 		}
 		catch (IOException ex) {
-			logger.warn("Couldn't open InputStream for " + resource, ex);
+			if (logger.isWarnEnabled()) {
+				logger.warn("Could not open InputStream for " + resource, ex);
+			}
 			return null;
 		}
 	}
@@ -414,8 +420,8 @@ public class MockServletContext implements ServletContext {
 		registerNamedDispatcher(this.defaultServletName, new MockRequestDispatcher(this.defaultServletName));
 	}
 
-	@Override
 	@Deprecated
+	@Override
 	@Nullable
 	public Servlet getServlet(String name) {
 		return null;
@@ -457,7 +463,9 @@ public class MockServletContext implements ServletContext {
 			return resource.getFile().getAbsolutePath();
 		}
 		catch (IOException ex) {
-			logger.warn("Couldn't determine real path of resource " + resource, ex);
+			if (logger.isWarnEnabled()) {
+				logger.warn("Could not determine real path of resource " + resource, ex);
+			}
 			return null;
 		}
 	}

spring-tx/src/main/java/org/springframework/jca/cci/connection/SingleConnectionFactory.java

@@ -154,8 +154,8 @@ public class SingleConnectionFactory extends DelegatingConnectionFactory impleme
 			}
 			this.target = doCreateConnection();
 			prepareConnection(this.target);
-			if (logger.isInfoEnabled()) {
-				logger.info("Established shared CCI Connection: " + this.target);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Established shared CCI Connection: " + this.target);
 			}
 			this.connection = getCloseSuppressingConnectionProxy(this.target);
 		}

spring-tx/src/main/java/org/springframework/jca/context/SpringContextResourceAdapter.java

@@ -164,8 +164,8 @@ public class SpringContextResourceAdapter implements ResourceAdapter {
 	 */
 	@Override
 	public void start(BootstrapContext bootstrapContext) throws ResourceAdapterInternalException {
-		if (logger.isInfoEnabled()) {
-			logger.info("Starting SpringContextResourceAdapter with BootstrapContext: " + bootstrapContext);
+		if (logger.isDebugEnabled()) {
+			logger.debug("Starting SpringContextResourceAdapter with BootstrapContext: " + bootstrapContext);
 		}
 		this.applicationContext = createApplicationContext(bootstrapContext);
 	}
@@ -211,7 +211,7 @@ public class SpringContextResourceAdapter implements ResourceAdapter {
 	 */
 	@Override
 	public void stop() {
-		logger.info("Stopping SpringContextResourceAdapter");
+		logger.debug("Stopping SpringContextResourceAdapter");
 		if (this.applicationContext != null) {
 			this.applicationContext.close();
 		}

spring-tx/src/main/java/org/springframework/transaction/jta/JtaTransactionManager.java

@@ -497,8 +497,8 @@ public class JtaTransactionManager extends AbstractPlatformTransactionManager
 	protected void checkUserTransactionAndTransactionManager() throws IllegalStateException {
 		// We at least need the JTA UserTransaction.
 		if (this.userTransaction != null) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Using JTA UserTransaction: " + this.userTransaction);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Using JTA UserTransaction: " + this.userTransaction);
 			}
 		}
 		else {
@@ -508,8 +508,8 @@ public class JtaTransactionManager extends AbstractPlatformTransactionManager
 
 		// For transaction suspension, the JTA TransactionManager is necessary too.
 		if (this.transactionManager != null) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Using JTA TransactionManager: " + this.transactionManager);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Using JTA TransactionManager: " + this.transactionManager);
 			}
 		}
 		else {
@@ -542,8 +542,8 @@ public class JtaTransactionManager extends AbstractPlatformTransactionManager
 		}
 
 		if (this.transactionSynchronizationRegistry != null) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Using JTA TransactionSynchronizationRegistry: " + this.transactionSynchronizationRegistry);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Using JTA TransactionSynchronizationRegistry: " + this.transactionSynchronizationRegistry);
 			}
 		}
 	}

spring-tx/src/main/java/org/springframework/transaction/jta/WebLogicJtaTransactionManager.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -117,7 +117,7 @@ public class WebLogicJtaTransactionManager extends JtaTransactionManager {
 	protected UserTransaction retrieveUserTransaction() throws TransactionSystemException {
 		Object helper = loadWebLogicTransactionHelper();
 		try {
-			logger.debug("Retrieving JTA UserTransaction from WebLogic TransactionHelper");
+			logger.trace("Retrieving JTA UserTransaction from WebLogic TransactionHelper");
 			Method getUserTransactionMethod = helper.getClass().getMethod("getUserTransaction");
 			return (UserTransaction) getUserTransactionMethod.invoke(this.transactionHelper);
 		}
@@ -136,7 +136,7 @@ public class WebLogicJtaTransactionManager extends JtaTransactionManager {
 	protected TransactionManager retrieveTransactionManager() throws TransactionSystemException {
 		Object helper = loadWebLogicTransactionHelper();
 		try {
-			logger.debug("Retrieving JTA TransactionManager from WebLogic TransactionHelper");
+			logger.trace("Retrieving JTA TransactionManager from WebLogic TransactionHelper");
 			Method getTransactionManagerMethod = helper.getClass().getMethod("getTransactionManager");
 			return (TransactionManager) getTransactionManagerMethod.invoke(this.transactionHelper);
 		}
@@ -158,7 +158,7 @@ public class WebLogicJtaTransactionManager extends JtaTransactionManager {
 				Method getTransactionHelperMethod = transactionHelperClass.getMethod("getTransactionHelper");
 				helper = getTransactionHelperMethod.invoke(null);
 				this.transactionHelper = helper;
-				logger.debug("WebLogic TransactionHelper found");
+				logger.trace("WebLogic TransactionHelper found");
 			}
 			catch (InvocationTargetException ex) {
 				throw new TransactionSystemException(
@@ -180,16 +180,16 @@ public class WebLogicJtaTransactionManager extends JtaTransactionManager {
 			if (this.weblogicUserTransactionAvailable) {
 				this.beginWithNameMethod = userTransactionClass.getMethod("begin", String.class);
 				this.beginWithNameAndTimeoutMethod = userTransactionClass.getMethod("begin", String.class, int.class);
-				logger.info("Support for WebLogic transaction names available");
+				logger.debug("Support for WebLogic transaction names available");
 			}
 			else {
-				logger.info("Support for WebLogic transaction names not available");
+				logger.debug("Support for WebLogic transaction names not available");
 			}
 
 			// Obtain WebLogic ClientTransactionManager interface.
 			Class<?> transactionManagerClass =
 					getClass().getClassLoader().loadClass(CLIENT_TRANSACTION_MANAGER_CLASS_NAME);
-			logger.debug("WebLogic ClientTransactionManager found");
+			logger.trace("WebLogic ClientTransactionManager found");
 
 			this.weblogicTransactionManagerAvailable = transactionManagerClass.isInstance(getTransactionManager());
 			if (this.weblogicTransactionManagerAvailable) {
@@ -199,7 +199,7 @@ public class WebLogicJtaTransactionManager extends JtaTransactionManager {
 				logger.debug("Support for WebLogic forceResume available");
 			}
 			else {
-				logger.warn("Support for WebLogic forceResume not available");
+				logger.debug("Support for WebLogic forceResume not available");
 			}
 		}
 		catch (Exception ex) {

spring-web/src/main/java/org/springframework/http/server/reactive/ServletHttpHandlerAdapter.java

@@ -46,8 +46,8 @@ import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 
 /**
- * Adapt {@link HttpHandler} to an {@link HttpServlet} using Servlet Async
- * support and Servlet 3.1 non-blocking I/O.
+ * Adapt {@link HttpHandler} to an {@link HttpServlet} using Servlet Async support
+ * and Servlet 3.1 non-blocking I/O.
  *
  * @author Arjen Poutsma
  * @author Rossen Stoyanchev
@@ -140,8 +140,8 @@ public class ServletHttpHandlerAdapter implements Servlet {
 			}
 			if (mapping.endsWith("/*")) {
 				String path = mapping.substring(0, mapping.length() - 2);
-				if (!path.isEmpty()) {
-					logger.info("Found servlet mapping prefix '" + path + "' for '" + name + "'");
+				if (!path.isEmpty() && logger.isDebugEnabled()) {
+					logger.debug("Found servlet mapping prefix '" + path + "' for '" + name + "'");
 				}
 				return path;
 			}

spring-web/src/main/java/org/springframework/web/context/ContextLoader.java

@@ -264,8 +264,8 @@ public class ContextLoader {
 					"check whether you have multiple ContextLoader* definitions in your web.xml!");
 		}
 
-		Log logger = LogFactory.getLog(ContextLoader.class);
 		servletContext.log("Initializing Spring root WebApplicationContext");
+		Log logger = LogFactory.getLog(ContextLoader.class);
 		if (logger.isInfoEnabled()) {
 			logger.info("Root WebApplicationContext: initialization started");
 		}
@@ -301,10 +301,6 @@ public class ContextLoader {
 				currentContextPerThread.put(ccl, this.context);
 			}
 
-			if (logger.isDebugEnabled()) {
-				logger.debug("Published root WebApplicationContext as ServletContext attribute with name [" +
-						WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE + "]");
-			}
 			if (logger.isInfoEnabled()) {
 				long elapsedTime = System.currentTimeMillis() - startTime;
 				logger.info("Root WebApplicationContext: initialization completed in " + elapsedTime + " ms");
@@ -312,16 +308,11 @@ public class ContextLoader {
 
 			return this.context;
 		}
-		catch (RuntimeException ex) {
+		catch (RuntimeException | Error ex) {
 			logger.error("Context initialization failed", ex);
 			servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, ex);
 			throw ex;
 		}
-		catch (Error err) {
-			logger.error("Context initialization failed", err);
-			servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, err);
-			throw err;
-		}
 	}
 
 	/**

spring-web/src/main/java/org/springframework/web/context/support/AnnotationConfigWebApplicationContext.java

@@ -209,16 +209,16 @@ public class AnnotationConfigWebApplicationContext extends AbstractRefreshableWe
 		}
 
 		if (!this.annotatedClasses.isEmpty()) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Registering annotated classes: [" +
+			if (logger.isDebugEnabled()) {
+				logger.debug("Registering annotated classes: [" +
 						StringUtils.collectionToCommaDelimitedString(this.annotatedClasses) + "]");
 			}
 			reader.register(ClassUtils.toClassArray(this.annotatedClasses));
 		}
 
 		if (!this.basePackages.isEmpty()) {
-			if (logger.isInfoEnabled()) {
-				logger.info("Scanning base packages: [" +
+			if (logger.isDebugEnabled()) {
+				logger.debug("Scanning base packages: [" +
 						StringUtils.collectionToCommaDelimitedString(this.basePackages) + "]");
 			}
 			scanner.scan(StringUtils.toStringArray(this.basePackages));
@@ -229,24 +229,19 @@ public class AnnotationConfigWebApplicationContext extends AbstractRefreshableWe
 			for (String configLocation : configLocations) {
 				try {
 					Class<?> clazz = ClassUtils.forName(configLocation, getClassLoader());
-					if (logger.isInfoEnabled()) {
-						logger.info("Successfully resolved class for [" + configLocation + "]");
+					if (logger.isTraceEnabled()) {
+						logger.trace("Successfully resolved class for [" + configLocation + "]");
 					}
 					reader.register(clazz);
 				}
 				catch (ClassNotFoundException ex) {
-					if (logger.isDebugEnabled()) {
-						logger.debug("Could not load class for config location [" + configLocation +
+					if (logger.isTraceEnabled()) {
+						logger.trace("Could not load class for config location [" + configLocation +
 								"] - trying package scan. " + ex);
 					}
 					int count = scanner.scan(configLocation);
-					if (logger.isInfoEnabled()) {
-						if (count == 0) {
-							logger.info("No annotated classes found for specified class/package [" + configLocation + "]");
-						}
-						else {
-							logger.info("Found " + count + " annotated classes in package [" + configLocation + "]");
-						}
+					if (count == 0 && logger.isDebugEnabled()) {
+						logger.debug("No annotated classes found for specified class/package [" + configLocation + "]");
 					}
 				}
 			}

spring-web/src/main/java/org/springframework/web/context/support/ServletContextAttributeExporter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -70,14 +70,14 @@ public class ServletContextAttributeExporter implements ServletContextAware {
 		if (this.attributes != null) {
 			for (Map.Entry<String, Object> entry : this.attributes.entrySet()) {
 				String attributeName = entry.getKey();
-				if (logger.isWarnEnabled()) {
+				if (logger.isDebugEnabled()) {
 					if (servletContext.getAttribute(attributeName) != null) {
-						logger.warn("Replacing existing ServletContext attribute with name '" + attributeName + "'");
+						logger.debug("Replacing existing ServletContext attribute with name '" + attributeName + "'");
 					}
 				}
 				servletContext.setAttribute(attributeName, entry.getValue());
-				if (logger.isInfoEnabled()) {
-					logger.info("Exported ServletContext attribute with name '" + attributeName + "'");
+				if (logger.isTraceEnabled()) {
+					logger.trace("Exported ServletContext attribute with name '" + attributeName + "'");
 				}
 			}
 		}

spring-web/src/test/java/org/springframework/mock/web/test/MockServletContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -85,7 +85,7 @@ import org.springframework.web.util.WebUtils;
  */
 public class MockServletContext implements ServletContext {
 
-	/** Default Servlet name used by Tomcat, Jetty, JBoss, and GlassFish: {@value} */
+	/** Default Servlet name used by Tomcat, Jetty, JBoss, and GlassFish: {@value}. */
 	private static final String COMMON_DEFAULT_SERVLET_NAME = "default";
 
 	private static final String TEMP_DIR_SYSTEM_PROPERTY = "java.io.tmpdir";
@@ -305,7 +305,9 @@ public class MockServletContext implements ServletContext {
 			return resourcePaths;
 		}
 		catch (IOException ex) {
-			logger.warn("Couldn't get resource paths for " + resource, ex);
+			if (logger.isWarnEnabled()) {
+				logger.warn("Could not get resource paths for " + resource, ex);
+			}
 			return null;
 		}
 	}
@@ -323,7 +325,9 @@ public class MockServletContext implements ServletContext {
 			throw ex;
 		}
 		catch (IOException ex) {
-			logger.warn("Couldn't get URL for " + resource, ex);
+			if (logger.isWarnEnabled()) {
+				logger.warn("Could not get URL for " + resource, ex);
+			}
 			return null;
 		}
 	}
@@ -338,7 +342,9 @@ public class MockServletContext implements ServletContext {
 			return resource.getInputStream();
 		}
 		catch (IOException ex) {
-			logger.warn("Couldn't open InputStream for " + resource, ex);
+			if (logger.isWarnEnabled()) {
+				logger.warn("Could not open InputStream for " + resource, ex);
+			}
 			return null;
 		}
 	}
@@ -406,8 +412,8 @@ public class MockServletContext implements ServletContext {
 		registerNamedDispatcher(this.defaultServletName, new MockRequestDispatcher(this.defaultServletName));
 	}
 
-	@Override
 	@Deprecated
+	@Override
 	public Servlet getServlet(String name) {
 		return null;
 	}
@@ -447,7 +453,9 @@ public class MockServletContext implements ServletContext {
 			return resource.getFile().getAbsolutePath();
 		}
 		catch (IOException ex) {
-			logger.warn("Couldn't determine real path of resource " + resource, ex);
+			if (logger.isWarnEnabled()) {
+				logger.warn("Could not determine real path of resource " + resource, ex);
+			}
 			return null;
 		}
 	}
@@ -560,32 +568,32 @@ public class MockServletContext implements ServletContext {
 		return this.sessionCookieConfig;
 	}
 
-	// @Override - but only against Servlet 4.0
+	@Override  // on Servlet 4.0
 	public void setSessionTimeout(int sessionTimeout) {
 		this.sessionTimeout = sessionTimeout;
 	}
 
-	// @Override - but only against Servlet 4.0
+	@Override  // on Servlet 4.0
 	public int getSessionTimeout() {
 		return this.sessionTimeout;
 	}
 
-	// @Override - but only against Servlet 4.0
+	@Override  // on Servlet 4.0
 	public void setRequestCharacterEncoding(String requestCharacterEncoding) {
 		this.requestCharacterEncoding = requestCharacterEncoding;
 	}
 
-	// @Override - but only against Servlet 4.0
+	@Override  // on Servlet 4.0
 	public String getRequestCharacterEncoding() {
 		return this.requestCharacterEncoding;
 	}
 
-	// @Override - but only against Servlet 4.0
+	@Override  // on Servlet 4.0
 	public void setResponseCharacterEncoding(String responseCharacterEncoding) {
 		this.responseCharacterEncoding = responseCharacterEncoding;
 	}
 
-	// @Override - but only against Servlet 4.0
+	@Override  // on Servlet 4.0
 	public String getResponseCharacterEncoding() {
 		return this.responseCharacterEncoding;
 	}
@@ -600,7 +608,7 @@ public class MockServletContext implements ServletContext {
 		throw new UnsupportedOperationException();
 	}
 
-	// @Override - but only against Servlet 4.0
+	@Override  // on Servlet 4.0
 	public ServletRegistration.Dynamic addJspFile(String servletName, String jspFile) {
 		throw new UnsupportedOperationException();
 	}

spring-webflux/src/main/java/org/springframework/web/reactive/resource/ResourceWebHandler.java

@@ -289,8 +289,8 @@ public class ResourceWebHandler implements WebHandler, InitializingBean {
 	 */
 	protected void initAllowedLocations() {
 		if (CollectionUtils.isEmpty(this.locations)) {
-			if (logger.isWarnEnabled()) {
-				logger.warn("Locations list is empty. No resources will be served unless a " +
+			if (logger.isInfoEnabled()) {
+				logger.info("Locations list is empty. No resources will be served unless a " +
 						"custom ResourceResolver is configured as an alternative to PathResourceResolver.");
 			}
 			return;

spring-webflux/src/main/java/org/springframework/web/reactive/result/view/freemarker/FreeMarkerConfigurer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -105,7 +105,6 @@ public class FreeMarkerConfigurer extends FreeMarkerConfigurationFactory
 	@Override
 	protected void postProcessTemplateLoaders(List<TemplateLoader> templateLoaders) {
 		templateLoaders.add(new ClassTemplateLoader(FreeMarkerConfigurer.class, ""));
-		logger.info("ClassTemplateLoader for Spring macros added to FreeMarker configuration");
 	}
 
 

spring-webmvc/src/main/java/org/springframework/web/servlet/view/freemarker/FreeMarkerConfigurer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -128,7 +128,6 @@ public class FreeMarkerConfigurer extends FreeMarkerConfigurationFactory
 	@Override
 	protected void postProcessTemplateLoaders(List<TemplateLoader> templateLoaders) {
 		templateLoaders.add(new ClassTemplateLoader(FreeMarkerConfigurer.class, ""));
-		logger.trace("ClassTemplateLoader for Spring FreeMarker macros added");
 	}
 
 

spring-websocket/src/main/java/org/springframework/web/socket/messaging/WebSocketAnnotationMethodMessageHandler.java

@@ -58,8 +58,8 @@ public class WebSocketAnnotationMethodMessageHandler extends SimpAnnotationMetho
 		if (context == null) {
 			return;
 		}
-		if (logger.isDebugEnabled()) {
-			logger.debug("Looking for @MessageExceptionHandler mappings: " + context);
+		if (logger.isTraceEnabled()) {
+			logger.trace("Looking for @MessageExceptionHandler mappings: " + context);
 		}
 		List<ControllerAdviceBean> beans = ControllerAdviceBean.findAnnotatedBeans(context);
 		AnnotationAwareOrderComparator.sort(beans);
@@ -76,7 +76,9 @@ public class WebSocketAnnotationMethodMessageHandler extends SimpAnnotationMetho
 				AnnotationExceptionHandlerMethodResolver resolver = new AnnotationExceptionHandlerMethodResolver(type);
 				if (resolver.hasExceptionMappings()) {
 					registerExceptionHandlerAdvice(bean, resolver);
-					logger.info("Detected @MessageExceptionHandler methods in " + bean);
+					if (logger.isTraceEnabled()) {
+						logger.trace("Detected @MessageExceptionHandler methods in " + bean);
+					}
 				}
 			}
 		}

spring-websocket/src/main/java/org/springframework/web/socket/server/standard/ServerEndpointExporter.java

@@ -145,12 +145,12 @@ public class ServerEndpointExporter extends WebApplicationObjectSupport
 		ServerContainer serverContainer = getServerContainer();
 		Assert.state(serverContainer != null,
 				"No ServerContainer set. Most likely the server's own WebSocket ServletContainerInitializer " +
-						"has not run yet. Was the Spring ApplicationContext refreshed through a " +
-						"org.springframework.web.context.ContextLoaderListener, " +
-						"i.e. after the ServletContext has been fully initialized?");
+				"has not run yet. Was the Spring ApplicationContext refreshed through a " +
+				"org.springframework.web.context.ContextLoaderListener, " +
+				"i.e. after the ServletContext has been fully initialized?");
 		try {
-			if (logger.isInfoEnabled()) {
-				logger.info("Registering @ServerEndpoint class: " + endpointClass);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Registering @ServerEndpoint class: " + endpointClass);
 			}
 			serverContainer.addEndpoint(endpointClass);
 		}
@@ -163,8 +163,8 @@ public class ServerEndpointExporter extends WebApplicationObjectSupport
 		ServerContainer serverContainer = getServerContainer();
 		Assert.state(serverContainer != null, "No ServerContainer set");
 		try {
-			if (logger.isInfoEnabled()) {
-				logger.info("Registering ServerEndpointConfig: " + endpointConfig);
+			if (logger.isDebugEnabled()) {
+				logger.debug("Registering ServerEndpointConfig: " + endpointConfig);
 			}
 			serverContainer.addEndpoint(endpointConfig);
 		}