Ignore resolved bean from non-active scope in getIfAvailable/getIfUnique

Closes gh-24822

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

@@ -350,6 +350,9 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
 
 				else {
 					String scopeName = mbd.getScope();
+					if (!StringUtils.hasLength(scopeName)) {
+						throw new IllegalStateException("No scope name defined for bean ´" + beanName + "'");
+					}
 					final Scope scope = this.scopes.get(scopeName);
 					if (scope == null) {
 						throw new IllegalStateException("No Scope registered for scope name '" + scopeName + "'");
@@ -367,10 +370,7 @@ public abstract class AbstractBeanFactory extends FactoryBeanRegistrySupport imp
 						bean = getObjectForBeanInstance(scopedInstance, name, beanName, mbd);
 					}
 					catch (IllegalStateException ex) {
-						throw new BeanCreationException(beanName,
-								"Scope '" + scopeName + "' is not active for the current thread; consider " +
-								"defining a scoped proxy for this bean if you intend to refer to it from a singleton",
-								ex);
+						throw new ScopeNotActiveException(beanName, scopeName, ex);
 					}
 				}
 			}

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

@@ -384,12 +384,48 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 			@Override
 			@Nullable
 			public T getIfAvailable() throws BeansException {
-				return resolveBean(requiredType, null, false);
+				try {
+					return resolveBean(requiredType, null, false);
+				}
+				catch (ScopeNotActiveException ex) {
+					// Ignore resolved bean in non-active scope
+					return null;
+				}
+			}
+			@Override
+			public void ifAvailable(Consumer<T> dependencyConsumer) throws BeansException {
+				T dependency = getIfAvailable();
+				if (dependency != null) {
+					try {
+						dependencyConsumer.accept(dependency);
+					}
+					catch (ScopeNotActiveException ex) {
+						// Ignore resolved bean in non-active scope, even on scoped proxy invocation
+					}
+				}
 			}
 			@Override
 			@Nullable
 			public T getIfUnique() throws BeansException {
-				return resolveBean(requiredType, null, true);
+				try {
+					return resolveBean(requiredType, null, true);
+				}
+				catch (ScopeNotActiveException ex) {
+					// Ignore resolved bean in non-active scope
+					return null;
+				}
+			}
+			@Override
+			public void ifUnique(Consumer<T> dependencyConsumer) throws BeansException {
+				T dependency = getIfUnique();
+				if (dependency != null) {
+					try {
+						dependencyConsumer.accept(dependency);
+					}
+					catch (ScopeNotActiveException ex) {
+						// Ignore resolved bean in non-active scope, even on scoped proxy invocation
+					}
+				}
 			}
 			@Override
 			public Stream<T> stream() {
@@ -1925,17 +1961,36 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 		@Override
 		@Nullable
 		public Object getIfAvailable() throws BeansException {
-			if (this.optional) {
-				return createOptionalDependency(this.descriptor, this.beanName);
+			try {
+				if (this.optional) {
+					return createOptionalDependency(this.descriptor, this.beanName);
+				}
+				else {
+					DependencyDescriptor descriptorToUse = new DependencyDescriptor(this.descriptor) {
+						@Override
+						public boolean isRequired() {
+							return false;
+						}
+					};
+					return doResolveDependency(descriptorToUse, this.beanName, null, null);
+				}
 			}
-			else {
-				DependencyDescriptor descriptorToUse = new DependencyDescriptor(this.descriptor) {
-					@Override
-					public boolean isRequired() {
-						return false;
-					}
-				};
-				return doResolveDependency(descriptorToUse, this.beanName, null, null);
+			catch (ScopeNotActiveException ex) {
+				// Ignore resolved bean in non-active scope
+				return null;
+			}
+		}
+
+		@Override
+		public void ifAvailable(Consumer<Object> dependencyConsumer) throws BeansException {
+			Object dependency = getIfAvailable();
+			if (dependency != null) {
+				try {
+					dependencyConsumer.accept(dependency);
+				}
+				catch (ScopeNotActiveException ex) {
+					// Ignore resolved bean in non-active scope, even on scoped proxy invocation
+				}
 			}
 		}
 
@@ -1953,11 +2008,30 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 					return null;
 				}
 			};
-			if (this.optional) {
-				return createOptionalDependency(descriptorToUse, this.beanName);
+			try {
+				if (this.optional) {
+					return createOptionalDependency(descriptorToUse, this.beanName);
+				}
+				else {
+					return doResolveDependency(descriptorToUse, this.beanName, null, null);
+				}
 			}
-			else {
-				return doResolveDependency(descriptorToUse, this.beanName, null, null);
+			catch (ScopeNotActiveException ex) {
+				// Ignore resolved bean in non-active scope
+				return null;
+			}
+		}
+
+		@Override
+		public void ifUnique(Consumer<Object> dependencyConsumer) throws BeansException {
+			Object dependency = getIfUnique();
+			if (dependency != null) {
+				try {
+					dependencyConsumer.accept(dependency);
+				}
+				catch (ScopeNotActiveException ex) {
+					// Ignore resolved bean in non-active scope, even on scoped proxy invocation
+				}
 			}
 		}
 

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

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2002-2020 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.beans.factory.support;
+
+import org.springframework.beans.factory.BeanCreationException;
+
+/**
+ * A subclass of {@link BeanCreationException} which indicates that the target scope
+ * is not active, e.g. in case of request or session scope.
+ *
+ * @author Juergen Hoeller
+ * @since 5.3
+ * @see org.springframework.beans.factory.BeanFactory#getBean
+ * @see org.springframework.beans.factory.config.Scope
+ * @see AbstractBeanDefinition#setScope
+ */
+@SuppressWarnings("serial")
+public class ScopeNotActiveException extends BeanCreationException {
+
+	/**
+	 * Create a new ScopeNotActiveException.
+	 * @param beanName the name of the bean requested
+	 * @param scopeName the name of the target scope
+	 * @param cause the root cause, typically from {@link org.springframework.beans.factory.config.Scope#get}
+	 */
+	public ScopeNotActiveException(String beanName, String scopeName, IllegalStateException cause) {
+		super(beanName, "Scope '" + scopeName + "' is not active for the current thread; consider " +
+				"defining a scoped proxy for this bean if you intend to refer to it from a singleton", cause);
+	}
+
+}

spring-web/src/test/java/org/springframework/web/context/request/RequestScopeTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -23,8 +23,11 @@ import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.BeanCreationException;
 import org.springframework.beans.factory.BeanCurrentlyInCreationException;
 import org.springframework.beans.factory.FactoryBean;
+import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.beans.factory.support.DefaultListableBeanFactory;
+import org.springframework.beans.factory.support.ScopeNotActiveException;
 import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
+import org.springframework.beans.testfixture.beans.CountingTestBean;
 import org.springframework.beans.testfixture.beans.DerivedTestBean;
 import org.springframework.beans.testfixture.beans.TestBean;
 import org.springframework.context.expression.StandardBeanExpressionResolver;
@@ -33,6 +36,7 @@ import org.springframework.web.testfixture.servlet.MockHttpServletRequest;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+import static org.springframework.beans.factory.config.AutowireCapableBeanFactory.AUTOWIRE_CONSTRUCTOR;
 
 /**
  * @author Rob Harrop
@@ -47,7 +51,7 @@ public class RequestScopeTests {
 
 
 	@BeforeEach
-	public void setup() throws Exception {
+	public void setup() {
 		this.beanFactory.registerScope("request", new RequestScope());
 		this.beanFactory.setBeanExpressionResolver(new StandardBeanExpressionResolver());
 		XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(this.beanFactory);
@@ -62,7 +66,7 @@ public class RequestScopeTests {
 
 
 	@Test
-	public void getFromScope() throws Exception {
+	public void getFromScope() {
 		MockHttpServletRequest request = new MockHttpServletRequest();
 		request.setContextPath("/path");
 		RequestAttributes requestAttributes = new ServletRequestAttributes(request);
@@ -77,7 +81,7 @@ public class RequestScopeTests {
 	}
 
 	@Test
-	public void destructionAtRequestCompletion() throws Exception {
+	public void destructionAtRequestCompletion() {
 		MockHttpServletRequest request = new MockHttpServletRequest();
 		ServletRequestAttributes requestAttributes = new ServletRequestAttributes(request);
 		RequestContextHolder.setRequestAttributes(requestAttributes);
@@ -93,7 +97,7 @@ public class RequestScopeTests {
 	}
 
 	@Test
-	public void getFromFactoryBeanInScope() throws Exception {
+	public void getFromFactoryBeanInScope() {
 		MockHttpServletRequest request = new MockHttpServletRequest();
 		RequestAttributes requestAttributes = new ServletRequestAttributes(request);
 		RequestContextHolder.setRequestAttributes(requestAttributes);
@@ -107,7 +111,7 @@ public class RequestScopeTests {
 	}
 
 	@Test
-	public void circleLeadsToException() throws Exception {
+	public void circleLeadsToException() {
 		MockHttpServletRequest request = new MockHttpServletRequest();
 		RequestAttributes requestAttributes = new ServletRequestAttributes(request);
 		RequestContextHolder.setRequestAttributes(requestAttributes);
@@ -143,7 +147,7 @@ public class RequestScopeTests {
 	}
 
 	@Test
-	public void requestScopedInnerBeanDestroyedWhileContainedBySingleton() throws Exception {
+	public void requestScopedInnerBeanDestroyedWhileContainedBySingleton() {
 		MockHttpServletRequest request = new MockHttpServletRequest();
 		ServletRequestAttributes requestAttributes = new ServletRequestAttributes(request);
 		RequestContextHolder.setRequestAttributes(requestAttributes);
@@ -160,4 +164,31 @@ public class RequestScopeTests {
 		assertThat(outer1.wasDestroyed()).isFalse();
 	}
 
+	@Test
+	public void scopeNotAvailable() {
+		assertThatExceptionOfType(ScopeNotActiveException.class).isThrownBy(
+				() -> this.beanFactory.getBean(CountingTestBean.class));
+
+		ObjectProvider<CountingTestBean> beanProvider = this.beanFactory.getBeanProvider(CountingTestBean.class);
+		assertThatExceptionOfType(ScopeNotActiveException.class).isThrownBy(beanProvider::getObject);
+		assertThat(beanProvider.getIfAvailable()).isNull();
+		assertThat(beanProvider.getIfUnique()).isNull();
+
+		ObjectProvider<CountingTestBean> provider =
+				((ProviderBean) this.beanFactory.createBean(ProviderBean.class, AUTOWIRE_CONSTRUCTOR, false)).provider;
+		assertThatExceptionOfType(ScopeNotActiveException.class).isThrownBy(provider::getObject);
+		assertThat(provider.getIfAvailable()).isNull();
+		assertThat(provider.getIfUnique()).isNull();
+	}
+
+
+	public static class ProviderBean {
+
+		public ObjectProvider<CountingTestBean> provider;
+
+		public ProviderBean(ObjectProvider<CountingTestBean> provider) {
+			this.provider = provider;
+		}
+	}
+
 }

spring-web/src/test/java/org/springframework/web/context/request/RequestScopedProxyTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 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.
@@ -20,10 +20,13 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.aop.support.AopUtils;
+import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.config.BeanDefinitionHolder;
 import org.springframework.beans.factory.support.DefaultListableBeanFactory;
+import org.springframework.beans.factory.support.ScopeNotActiveException;
 import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
+import org.springframework.beans.testfixture.beans.CountingTestBean;
 import org.springframework.beans.testfixture.beans.DerivedTestBean;
 import org.springframework.beans.testfixture.beans.ITestBean;
 import org.springframework.beans.testfixture.beans.TestBean;
@@ -32,6 +35,8 @@ import org.springframework.core.io.ClassPathResource;
 import org.springframework.web.testfixture.servlet.MockHttpServletRequest;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+import static org.springframework.beans.factory.config.AutowireCapableBeanFactory.AUTOWIRE_CONSTRUCTOR;
 
 /**
  * @author Juergen Hoeller
@@ -51,7 +56,7 @@ public class RequestScopedProxyTests {
 
 
 	@Test
-	public void testGetFromScope() throws Exception {
+	public void testGetFromScope() {
 		String name = "requestScopedObject";
 		TestBean bean = (TestBean) this.beanFactory.getBean(name);
 		assertThat(AopUtils.isCglibProxy(bean)).isTrue();
@@ -76,7 +81,7 @@ public class RequestScopedProxyTests {
 	}
 
 	@Test
-	public void testGetFromScopeThroughDynamicProxy() throws Exception {
+	public void testGetFromScopeThroughDynamicProxy() {
 		String name = "requestScopedProxy";
 		ITestBean bean = (ITestBean) this.beanFactory.getBean(name);
 		// assertTrue(AopUtils.isJdkDynamicProxy(bean));
@@ -101,7 +106,7 @@ public class RequestScopedProxyTests {
 	}
 
 	@Test
-	public void testDestructionAtRequestCompletion() throws Exception {
+	public void testDestructionAtRequestCompletion() {
 		String name = "requestScopedDisposableObject";
 		DerivedTestBean bean = (DerivedTestBean) this.beanFactory.getBean(name);
 		assertThat(AopUtils.isCglibProxy(bean)).isTrue();
@@ -127,7 +132,7 @@ public class RequestScopedProxyTests {
 	}
 
 	@Test
-	public void testGetFromFactoryBeanInScope() throws Exception {
+	public void testGetFromFactoryBeanInScope() {
 		String name = "requestScopedFactoryBean";
 		TestBean bean = (TestBean) this.beanFactory.getBean(name);
 		assertThat(AopUtils.isCglibProxy(bean)).isTrue();
@@ -149,7 +154,7 @@ public class RequestScopedProxyTests {
 	}
 
 	@Test
-	public void testGetInnerBeanFromScope() throws Exception {
+	public void testGetInnerBeanFromScope() {
 		TestBean bean = (TestBean) this.beanFactory.getBean("outerBean");
 		assertThat(AopUtils.isAopProxy(bean)).isFalse();
 		assertThat(AopUtils.isCglibProxy(bean.getSpouse())).isTrue();
@@ -173,7 +178,7 @@ public class RequestScopedProxyTests {
 	}
 
 	@Test
-	public void testGetAnonymousInnerBeanFromScope() throws Exception {
+	public void testGetAnonymousInnerBeanFromScope() {
 		TestBean bean = (TestBean) this.beanFactory.getBean("outerBean");
 		assertThat(AopUtils.isAopProxy(bean)).isFalse();
 		assertThat(AopUtils.isCglibProxy(bean.getSpouse())).isTrue();
@@ -199,4 +204,31 @@ public class RequestScopedProxyTests {
 		}
 	}
 
+	@Test
+	public void scopeNotAvailable() {
+		assertThatExceptionOfType(ScopeNotActiveException.class).isThrownBy(
+				() -> this.beanFactory.getBean(CountingTestBean.class).absquatulate());
+
+		final ObjectProvider<CountingTestBean> beanProvider = this.beanFactory.getBeanProvider(CountingTestBean.class);
+		assertThatExceptionOfType(ScopeNotActiveException.class).isThrownBy(() -> beanProvider.getObject().absquatulate());
+		beanProvider.ifAvailable(TestBean::absquatulate);
+		beanProvider.ifUnique(TestBean::absquatulate);
+
+		final ObjectProvider<CountingTestBean> provider =
+				((ProviderBean) this.beanFactory.createBean(ProviderBean.class, AUTOWIRE_CONSTRUCTOR, false)).provider;
+		assertThatExceptionOfType(ScopeNotActiveException.class).isThrownBy(() -> provider.getObject().absquatulate());
+		provider.ifAvailable(TestBean::absquatulate);
+		provider.ifUnique(TestBean::absquatulate);
+	}
+
+
+	public static class ProviderBean {
+
+		public ObjectProvider<CountingTestBean> provider;
+
+		public ProviderBean(ObjectProvider<CountingTestBean> provider) {
+			this.provider = provider;
+		}
+	}
+
 }

spring-web/src/test/resources/org/springframework/web/context/request/requestScopeTests.xml

@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <beans xmlns="http://www.springframework.org/schema/beans"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://www.springframework.org/schema/beans
-                https://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
+    xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
 
 	<bean id="requestScopedObject" class="org.springframework.beans.testfixture.beans.TestBean" scope="request">
         <property name="name" value="#{request.contextPath}"/>
@@ -12,6 +11,8 @@
 
 	<bean id="requestScopedFactoryBean" class="org.springframework.beans.testfixture.beans.factory.DummyFactory" scope="request"/>
 
+	<bean id="requestScopedUniqueBean" class="org.springframework.beans.testfixture.beans.CountingTestBean" scope="request"/>
+
 	<bean id="requestScopedObjectCircle1" class="org.springframework.beans.testfixture.beans.TestBean" scope="request">
 		<property name="spouse" ref="requestScopedObjectCircle2"/>
 	</bean>
@@ -20,22 +21,22 @@
 		<property name="spouse" ref="requestScopedObjectCircle1"/>
 	</bean>
 
-  <bean id="requestScopedOuterBean" class="org.springframework.beans.testfixture.beans.DerivedTestBean" scope="request">
-    <property name="name" value="outer"/>
-    <property name="spouse">
-      <bean class="org.springframework.beans.testfixture.beans.DerivedTestBean">
-        <property name="name" value="inner"/>
-      </bean>
-    </property>
-  </bean>
-
-  <bean id="singletonOuterBean" class="org.springframework.beans.testfixture.beans.DerivedTestBean" lazy-init="true">
-    <property name="name" value="outer"/>
-    <property name="spouse">
-      <bean class="org.springframework.beans.testfixture.beans.DerivedTestBean" scope="request">
-        <property name="name" value="inner"/>
-      </bean>
-    </property>
-  </bean>
+	<bean id="requestScopedOuterBean" class="org.springframework.beans.testfixture.beans.DerivedTestBean" scope="request">
+		<property name="name" value="outer"/>
+		<property name="spouse">
+			<bean class="org.springframework.beans.testfixture.beans.DerivedTestBean">
+				<property name="name" value="inner"/>
+			</bean>
+		</property>
+	</bean>
+
+	<bean id="singletonOuterBean" class="org.springframework.beans.testfixture.beans.DerivedTestBean" lazy-init="true">
+		<property name="name" value="outer"/>
+		<property name="spouse">
+			<bean class="org.springframework.beans.testfixture.beans.DerivedTestBean" scope="request">
+				<property name="name" value="inner"/>
+			</bean>
+		</property>
+	</bean>
 
 </beans>

spring-web/src/test/resources/org/springframework/web/context/request/requestScopedProxyTests.xml

@@ -24,6 +24,10 @@
 		<aop:scoped-proxy/>
 	</bean>
 
+	<bean id="requestScopedUniqueBean" class="org.springframework.beans.testfixture.beans.CountingTestBean" scope="request">
+		<aop:scoped-proxy/>
+	</bean>
+
 	<bean id="requestScopedObjectCircle1" class="org.springframework.beans.testfixture.beans.TestBean" scope="request">
 		<aop:scoped-proxy/>
 		<property name="spouse" ref="requestScopedObjectCircle2"/>