Perform NullAway build-time checks in more modules

This commit enables null-safety build-time checks in:
 - spring-jdbc
 - spring-r2dbc
 - spring-orm
 - spring-beans
 - spring-aop

See gh-32475

gradle/spring-module.gradle

@@ -118,10 +118,11 @@ tasks.withType(JavaCompile).configureEach {
     	disableAllChecks = true
         option("NullAway:CustomContractAnnotations", "org.springframework.lang.Contract")
         option("NullAway:AnnotatedPackages", "org.springframework.core,org.springframework.expression," +
-        		"org.springframework.web,org.springframework.jms,org.springframework.messaging")
+        		"org.springframework.web,org.springframework.jms,org.springframework.messaging,org.springframework.jdbc," +
+        		"org.springframework.r2dbc,org.springframework.orm,org.springframework.beans,org.springframework.aop")
         option("NullAway:UnannotatedSubPackages", "org.springframework.instrument,org.springframework.context.index," +
 				"org.springframework.asm,org.springframework.cglib,org.springframework.objenesis," +
-				"org.springframework.javapoet,org.springframework.aot.nativex.substitution")
+				"org.springframework.javapoet,org.springframework.aot.nativex.substitution,org.springframework.aot.nativex.feature")
     }
 }
 tasks.compileJava {

spring-aop/src/main/java/org/springframework/aop/aspectj/AbstractAspectJAdvice.java

@@ -552,6 +552,7 @@ public abstract class AbstractAspectJAdvice implements Advice, AspectJPrecedence
 	 * @param ex the exception thrown by the method execution (may be null)
 	 * @return the empty array if there are no arguments
 	 */
+	@SuppressWarnings("NullAway")
 	protected Object[] argBinding(JoinPoint jp, @Nullable JoinPointMatch jpMatch,
 			@Nullable Object returnValue, @Nullable Throwable ex) {
 

spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/BeanFactoryAspectInstanceFactory.java

@@ -77,7 +77,7 @@ public class BeanFactoryAspectInstanceFactory implements MetadataAwareAspectInst
 		this.beanFactory = beanFactory;
 		this.name = name;
 		Class<?> resolvedType = type;
-		if (type == null) {
+		if (resolvedType == null) {
 			resolvedType = beanFactory.getType(name);
 			Assert.notNull(resolvedType, "Unresolvable bean type - explicitly specify the aspect class");
 		}

spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/BeanFactoryAspectJAdvisorsBuilder.java

@@ -80,6 +80,7 @@ public class BeanFactoryAspectJAdvisorsBuilder {
 	 * @return the list of {@link org.springframework.aop.Advisor} beans
 	 * @see #isEligibleBean
 	 */
+	@SuppressWarnings("NullAway")
 	public List<Advisor> buildAspectJAdvisors() {
 		List<String> aspectNames = this.aspectBeanNames;
 

spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/InstantiationModelAwarePointcutAdvisorImpl.java

@@ -195,6 +195,7 @@ final class InstantiationModelAwarePointcutAdvisorImpl
 	}
 
 	@Override
+	@SuppressWarnings("NullAway")
 	public boolean isBeforeAdvice() {
 		if (this.isBeforeAdvice == null) {
 			determineAdviceType();
@@ -203,6 +204,7 @@ final class InstantiationModelAwarePointcutAdvisorImpl
 	}
 
 	@Override
+	@SuppressWarnings("NullAway")
 	public boolean isAfterAdvice() {
 		if (this.isAfterAdvice == null) {
 			determineAdviceType();

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

@@ -98,6 +98,7 @@ public class AsyncExecutionInterceptor extends AsyncExecutionAspectSupport imple
 	 */
 	@Override
 	@Nullable
+	@SuppressWarnings("NullAway")
 	public Object invoke(final MethodInvocation invocation) throws Throwable {
 		Class<?> targetClass = (invocation.getThis() != null ? AopUtils.getTargetClass(invocation.getThis()) : null);
 		final Method userMethod = BridgeMethodResolver.getMostSpecificMethod(invocation.getMethod(), targetClass);

spring-aop/src/main/java/org/springframework/aop/scope/ScopedProxyBeanRegistrationAotProcessor.java

@@ -54,6 +54,7 @@ class ScopedProxyBeanRegistrationAotProcessor implements BeanRegistrationAotProc
 
 	@Override
 	@Nullable
+	@SuppressWarnings("NullAway")
 	public BeanRegistrationAotContribution processAheadOfTime(RegisteredBean registeredBean) {
 		Class<?> beanClass = registeredBean.getBeanClass();
 		if (beanClass.equals(ScopedProxyFactoryBean.class)) {

spring-aop/src/main/java/org/springframework/aop/scope/ScopedProxyUtils.java

@@ -22,6 +22,7 @@ import org.springframework.beans.factory.config.BeanDefinitionHolder;
 import org.springframework.beans.factory.support.AbstractBeanDefinition;
 import org.springframework.beans.factory.support.BeanDefinitionRegistry;
 import org.springframework.beans.factory.support.RootBeanDefinition;
+import org.springframework.lang.Contract;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 
@@ -128,6 +129,7 @@ public abstract class ScopedProxyUtils {
 	 * the target bean within a scoped proxy.
 	 * @since 4.1.4
 	 */
+	@Contract("null -> false")
 	public static boolean isScopedTarget(@Nullable String beanName) {
 		return (beanName != null && beanName.startsWith(TARGET_NAME_PREFIX));
 	}

spring-aop/src/main/java/org/springframework/aop/support/AopUtils.java

@@ -43,6 +43,7 @@ import org.springframework.core.BridgeMethodResolver;
 import org.springframework.core.CoroutinesUtils;
 import org.springframework.core.KotlinDetector;
 import org.springframework.core.MethodIntrospector;
+import org.springframework.lang.Contract;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
@@ -73,6 +74,7 @@ public abstract class AopUtils {
 	 * @see #isJdkDynamicProxy
 	 * @see #isCglibProxy
 	 */
+	@Contract("null -> false")
 	public static boolean isAopProxy(@Nullable Object object) {
 		return (object instanceof SpringProxy && (Proxy.isProxyClass(object.getClass()) ||
 				object.getClass().getName().contains(ClassUtils.CGLIB_CLASS_SEPARATOR)));
@@ -86,6 +88,7 @@ public abstract class AopUtils {
 	 * @param object the object to check
 	 * @see java.lang.reflect.Proxy#isProxyClass
 	 */
+	@Contract("null -> false")
 	public static boolean isJdkDynamicProxy(@Nullable Object object) {
 		return (object instanceof SpringProxy && Proxy.isProxyClass(object.getClass()));
 	}
@@ -98,6 +101,7 @@ public abstract class AopUtils {
 	 * @param object the object to check
 	 * @see ClassUtils#isCglibProxy(Object)
 	 */
+	@Contract("null -> false")
 	public static boolean isCglibProxy(@Nullable Object object) {
 		return (object instanceof SpringProxy &&
 				object.getClass().getName().contains(ClassUtils.CGLIB_CLASS_SEPARATOR));

spring-aop/src/main/java/org/springframework/aop/support/annotation/AnnotationMatchingPointcut.java

@@ -87,6 +87,7 @@ public class AnnotationMatchingPointcut implements Pointcut {
 	 * @see AnnotationClassFilter#AnnotationClassFilter(Class, boolean)
 	 * @see AnnotationMethodMatcher#AnnotationMethodMatcher(Class, boolean)
 	 */
+	@SuppressWarnings("NullAway")
 	public AnnotationMatchingPointcut(@Nullable Class<? extends Annotation> classAnnotationType,
 			@Nullable Class<? extends Annotation> methodAnnotationType, boolean checkInherited) {
 

spring-aop/src/main/java/org/springframework/aop/target/dynamic/AbstractRefreshableTargetSource.java

@@ -66,6 +66,7 @@ public abstract class AbstractRefreshableTargetSource implements TargetSource, R
 
 
 	@Override
+	@SuppressWarnings("NullAway")
 	public synchronized Class<?> getTargetClass() {
 		if (this.targetObject == null) {
 			refresh();

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

@@ -106,9 +106,9 @@ final class GenericTypeAwarePropertyDescriptor extends PropertyDescriptor {
 				// by the JDK's JavaBeans Introspector...
 				Set<Method> ambiguousCandidates = new HashSet<>();
 				for (Method method : beanClass.getMethods()) {
-					if (method.getName().equals(writeMethodToUse.getName()) &&
-							!method.equals(writeMethodToUse) && !method.isBridge() &&
-							method.getParameterCount() == writeMethodToUse.getParameterCount()) {
+					if (method.getName().equals(this.writeMethod.getName()) &&
+							!method.equals(this.writeMethod) && !method.isBridge() &&
+							method.getParameterCount() == this.writeMethod.getParameterCount()) {
 						ambiguousCandidates.add(method);
 					}
 				}

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

@@ -179,6 +179,7 @@ public class PropertyEditorRegistrySupport implements PropertyEditorRegistry {
 	 * @see #registerDefaultEditors
 	 */
 	@Nullable
+	@SuppressWarnings("NullAway")
 	public PropertyEditor getDefaultEditor(Class<?> requiredType) {
 		if (!this.defaultEditorsActive) {
 			return null;

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

@@ -28,6 +28,7 @@ import java.util.Set;
 import org.springframework.beans.MutablePropertyValues;
 import org.springframework.beans.PropertyValues;
 import org.springframework.beans.factory.support.RootBeanDefinition;
+import org.springframework.lang.Contract;
 import org.springframework.lang.Nullable;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.ReflectionUtils;
@@ -182,6 +183,7 @@ public class InjectionMetadata {
 	 * @return {@code true} indicating a refresh, {@code false} otherwise
 	 * @see #needsRefresh(Class)
 	 */
+	@Contract("null, _ -> true")
 	public static boolean needsRefresh(@Nullable InjectionMetadata metadata, Class<?> clazz) {
 		return (metadata == null || metadata.needsRefresh(clazz));
 	}

spring-beans/src/main/java/org/springframework/beans/factory/config/DependencyDescriptor.java

@@ -413,9 +413,9 @@ public class DependencyDescriptor extends InjectionPoint implements Serializable
 		if (!super.equals(other)) {
 			return false;
 		}
-		DependencyDescriptor otherDesc = (DependencyDescriptor) other;
-		return (this.required == otherDesc.required && this.eager == otherDesc.eager &&
-				this.nestingLevel == otherDesc.nestingLevel && this.containingClass == otherDesc.containingClass);
+		return (other instanceof DependencyDescriptor otherDesc && this.required == otherDesc.required &&
+				this.eager == otherDesc.eager && this.nestingLevel == otherDesc.nestingLevel &&
+				this.containingClass == otherDesc.containingClass);
 	}
 
 	@Override

spring-beans/src/main/java/org/springframework/beans/factory/config/FieldRetrievingFactoryBean.java

@@ -167,6 +167,7 @@ public class FieldRetrievingFactoryBean
 
 
 	@Override
+	@SuppressWarnings("NullAway")
 	public void afterPropertiesSet() throws ClassNotFoundException, NoSuchFieldException {
 		if (this.targetClass != null && this.targetObject != null) {
 			throw new IllegalArgumentException("Specify either targetClass or targetObject, not both");

spring-beans/src/main/java/org/springframework/beans/factory/config/PlaceholderConfigurerSupport.java

@@ -228,7 +228,7 @@ public abstract class PlaceholderConfigurerSupport extends PropertyResourceConfi
 		this.beanFactory = beanFactory;
 	}
 
-
+	@SuppressWarnings("NullAway")
 	protected void doProcessProperties(ConfigurableListableBeanFactory beanFactoryToProcess,
 			StringValueResolver valueResolver) {
 

spring-beans/src/main/java/org/springframework/beans/factory/config/PropertyPathFactoryBean.java

@@ -162,6 +162,7 @@ public class PropertyPathFactoryBean implements FactoryBean<Object>, BeanNameAwa
 
 
 	@Override
+	@SuppressWarnings("NullAway")
 	public void setBeanFactory(BeanFactory beanFactory) {
 		this.beanFactory = beanFactory;
 

spring-beans/src/main/java/org/springframework/beans/factory/groovy/GroovyBeanDefinitionReader.java

@@ -701,6 +701,7 @@ public class GroovyBeanDefinitionReader extends AbstractBeanDefinitionReader imp
 		}
 	}
 
+	@SuppressWarnings("NullAway")
 	private GroovyDynamicElementReader createDynamicElementReader(String namespace) {
 		XmlReaderContext readerContext = this.groovyDslXmlBeanDefinitionReader.createReaderContext(
 				new DescriptiveResource("Groovy"));

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

@@ -130,6 +130,7 @@ class ConstructorResolver {
 	 * or {@code null} if none (-> use constructor argument values from bean definition)
 	 * @return a BeanWrapper for the new instance
 	 */
+	@SuppressWarnings("NullAway")
 	public BeanWrapper autowireConstructor(String beanName, RootBeanDefinition mbd,
 			@Nullable Constructor<?>[] chosenCtors, @Nullable Object[] explicitArgs) {
 
@@ -391,6 +392,7 @@ class ConstructorResolver {
 	 * method, or {@code null} if none (-> use constructor argument values from bean definition)
 	 * @return a BeanWrapper for the new instance
 	 */
+	@SuppressWarnings("NullAway")
 	public BeanWrapper instantiateUsingFactoryMethod(
 			String beanName, RootBeanDefinition mbd, @Nullable Object[] explicitArgs) {
 

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

@@ -81,6 +81,7 @@ import org.springframework.core.annotation.MergedAnnotations;
 import org.springframework.core.annotation.MergedAnnotations.SearchStrategy;
 import org.springframework.core.log.LogMessage;
 import org.springframework.core.metrics.StartupStep;
+import org.springframework.lang.Contract;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
@@ -1487,6 +1488,7 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 	}
 
 	@Nullable
+	@SuppressWarnings("NullAway")
 	public Object doResolveDependency(DependencyDescriptor descriptor, @Nullable String beanName,
 			@Nullable Set<String> autowiredBeanNames, @Nullable TypeConverter typeConverter) throws BeansException {
 
@@ -2066,6 +2068,7 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 	 * i.e. whether the candidate points back to the original bean or to a factory method
 	 * on the original bean.
 	 */
+	@Contract("null, _ -> false;_, null -> false;")
 	private boolean isSelfReference(@Nullable String beanName, @Nullable String candidateName) {
 		return (beanName != null && candidateName != null &&
 				(beanName.equals(candidateName) || (containsBeanDefinition(candidateName) &&

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

@@ -238,6 +238,7 @@ public class DefaultSingletonBeanRegistry extends SimpleAliasRegistry implements
 	 * with, if necessary
 	 * @return the registered singleton object
 	 */
+	@SuppressWarnings("NullAway")
 	public Object getSingleton(String beanName, ObjectFactory<?> singletonFactory) {
 		Assert.notNull(beanName, "Bean name must not be null");
 

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

@@ -73,6 +73,7 @@ public class GenericTypeAwareAutowireCandidateResolver extends SimpleAutowireCan
 	 * Match the given dependency type with its generic type information against the given
 	 * candidate bean definition.
 	 */
+	@SuppressWarnings("NullAway")
 	protected boolean checkGenericTypeMatch(BeanDefinitionHolder bdHolder, DependencyDescriptor descriptor) {
 		ResolvableType dependencyType = descriptor.getResolvableType();
 		if (dependencyType.getType() instanceof Class) {

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

@@ -411,6 +411,7 @@ public class BeanDefinitionParserDelegate {
 	 * {@link org.springframework.beans.factory.parsing.ProblemReporter}.
 	 */
 	@Nullable
+	@SuppressWarnings("NullAway")
 	public BeanDefinitionHolder parseBeanDefinitionElement(Element ele, @Nullable BeanDefinition containingBean) {
 		String id = ele.getAttribute(ID_ATTRIBUTE);
 		String nameAttr = ele.getAttribute(NAME_ATTRIBUTE);

spring-core-test/src/main/java/org/springframework/aot/agent/InstrumentedMethod.java

@@ -187,6 +187,7 @@ enum InstrumentedMethod {
 	/**
 	 * {@link Class#getField(String)}.
 	 */
+	@SuppressWarnings("NullAway")
 	CLASS_GETFIELD(Class.class, "getField", HintType.REFLECTION,
 			invocation -> {
 				Field field = invocation.getReturnValue();

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

@@ -46,6 +46,7 @@ public class ArgumentTypePreparedStatementSetter implements PreparedStatementSet
 	 * @param args the arguments to set
 	 * @param argTypes the corresponding SQL types of the arguments
 	 */
+	@SuppressWarnings("NullAway")
 	public ArgumentTypePreparedStatementSetter(@Nullable Object[] args, @Nullable int[] argTypes) {
 		if ((args != null && argTypes == null) || (args == null && argTypes != null) ||
 				(args != null && args.length != argTypes.length)) {

spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/SimpleJdbcCall.java

@@ -26,6 +26,7 @@ import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.core.RowMapper;
 import org.springframework.jdbc.core.SqlParameter;
 import org.springframework.jdbc.core.namedparam.SqlParameterSource;
+import org.springframework.lang.Nullable;
 
 /**
  * A SimpleJdbcCall is a multithreaded, reusable object representing a call
@@ -148,36 +149,42 @@ public class SimpleJdbcCall extends AbstractJdbcCall implements SimpleJdbcCallOp
 	}
 
 	@Override
+	@Nullable
 	@SuppressWarnings("unchecked")
 	public <T> T executeFunction(Class<T> returnType, Object... args) {
 		return (T) doExecute(args).get(getScalarOutParameterName());
 	}
 
 	@Override
+	@Nullable
 	@SuppressWarnings("unchecked")
 	public <T> T executeFunction(Class<T> returnType, Map<String, ?> args) {
 		return (T) doExecute(args).get(getScalarOutParameterName());
 	}
 
 	@Override
+	@Nullable
 	@SuppressWarnings("unchecked")
 	public <T> T executeFunction(Class<T> returnType, SqlParameterSource args) {
 		return (T) doExecute(args).get(getScalarOutParameterName());
 	}
 
 	@Override
+	@Nullable
 	@SuppressWarnings("unchecked")
 	public <T> T executeObject(Class<T> returnType, Object... args) {
 		return (T) doExecute(args).get(getScalarOutParameterName());
 	}
 
 	@Override
+	@Nullable
 	@SuppressWarnings("unchecked")
 	public <T> T executeObject(Class<T> returnType, Map<String, ?> args) {
 		return (T) doExecute(args).get(getScalarOutParameterName());
 	}
 
 	@Override
+	@Nullable
 	@SuppressWarnings("unchecked")
 	public <T> T executeObject(Class<T> returnType, SqlParameterSource args) {
 		return (T) doExecute(args).get(getScalarOutParameterName());

spring-jdbc/src/main/java/org/springframework/jdbc/core/simple/SimpleJdbcCallOperations.java

@@ -21,6 +21,7 @@ import java.util.Map;
 import org.springframework.jdbc.core.RowMapper;
 import org.springframework.jdbc.core.SqlParameter;
 import org.springframework.jdbc.core.namedparam.SqlParameterSource;
+import org.springframework.lang.Nullable;
 
 /**
  * Interface specifying the API for a Simple JDBC Call implemented by {@link SimpleJdbcCall}.
@@ -117,6 +118,7 @@ public interface SimpleJdbcCallOperations {
 	 * Parameter values must be provided in the same order as the parameters are defined
 	 * for the stored procedure.
 	 */
+	@Nullable
 	<T> T executeFunction(Class<T> returnType, Object... args);
 
 	/**
@@ -125,6 +127,7 @@ public interface SimpleJdbcCallOperations {
 	 * @param returnType the type of the value to return
 	 * @param args a Map containing the parameter values to be used in the call
 	 */
+	@Nullable
 	<T> T executeFunction(Class<T> returnType, Map<String, ?> args);
 
 	/**
@@ -133,6 +136,7 @@ public interface SimpleJdbcCallOperations {
 	 * @param returnType the type of the value to return
 	 * @param args the MapSqlParameterSource containing the parameter values to be used in the call
 	 */
+	@Nullable
 	<T> T executeFunction(Class<T> returnType, SqlParameterSource args);
 
 	/**
@@ -144,6 +148,7 @@ public interface SimpleJdbcCallOperations {
 	 * Parameter values must be provided in the same order as the parameters are defined for
 	 * the stored procedure.
 	 */
+	@Nullable
 	<T> T executeObject(Class<T> returnType, Object... args);
 
 	/**
@@ -153,6 +158,7 @@ public interface SimpleJdbcCallOperations {
 	 * @param returnType the type of the value to return
 	 * @param args a Map containing the parameter values to be used in the call
 	 */
+	@Nullable
 	<T> T executeObject(Class<T> returnType, Map<String, ?> args);
 
 	/**
@@ -162,6 +168,7 @@ public interface SimpleJdbcCallOperations {
 	 * @param returnType the type of the value to return
 	 * @param args the MapSqlParameterSource containing the parameter values to be used in the call
 	 */
+	@Nullable
 	<T> T executeObject(Class<T> returnType, SqlParameterSource args);
 
 	/**

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

@@ -182,6 +182,7 @@ public class SingleConnectionDataSource extends DriverManagerDataSource
 
 
 	@Override
+	@SuppressWarnings("NullAway")
 	public Connection getConnection() throws SQLException {
 		this.connectionLock.lock();
 		try {

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

@@ -162,6 +162,7 @@ public class EmbeddedDatabaseFactory {
 	 * Factory method that returns the {@linkplain EmbeddedDatabase embedded database}
 	 * instance, which is also a {@link DataSource}.
 	 */
+	@SuppressWarnings("NullAway")
 	public EmbeddedDatabase getDatabase() {
 		if (this.dataSource == null) {
 			initDatabase();

spring-jdbc/src/main/java/org/springframework/jdbc/datasource/lookup/AbstractRoutingDataSource.java

@@ -134,6 +134,7 @@ public abstract class AbstractRoutingDataSource extends AbstractDataSource imple
 	 * @see #getResolvedDataSources()
 	 * @see #getResolvedDefaultDataSource()
 	 */
+	@SuppressWarnings("NullAway")
 	public void initialize() {
 		if (this.targetDataSources == null) {
 			throw new IllegalArgumentException("Property 'targetDataSources' is required");

spring-jdbc/src/main/java/org/springframework/jdbc/support/incrementer/AbstractColumnMaxValueIncrementer.java

@@ -43,6 +43,7 @@ public abstract class AbstractColumnMaxValueIncrementer extends AbstractDataFiel
 	 * @see #setIncrementerName
 	 * @see #setColumnName
 	 */
+	@SuppressWarnings("NullAway")
 	public AbstractColumnMaxValueIncrementer() {
 	}
 

spring-jdbc/src/main/java/org/springframework/jdbc/support/incrementer/AbstractDataFieldMaxValueIncrementer.java

@@ -77,6 +77,7 @@ public abstract class AbstractDataFieldMaxValueIncrementer implements DataFieldM
 	/**
 	 * Return the data source to retrieve the value from.
 	 */
+	@SuppressWarnings("NullAway")
 	public DataSource getDataSource() {
 		return this.dataSource;
 	}
@@ -91,6 +92,7 @@ public abstract class AbstractDataFieldMaxValueIncrementer implements DataFieldM
 	/**
 	 * Return the name of the sequence/table.
 	 */
+	@SuppressWarnings("NullAway")
 	public String getIncrementerName() {
 		return this.incrementerName;
 	}

spring-jdbc/src/main/java/org/springframework/jdbc/support/incrementer/AbstractIdentityColumnMaxValueIncrementer.java

@@ -53,9 +53,11 @@ public abstract class AbstractIdentityColumnMaxValueIncrementer extends Abstract
 	 * @see #setIncrementerName
 	 * @see #setColumnName
 	 */
+	@SuppressWarnings("NullAway")
 	public AbstractIdentityColumnMaxValueIncrementer() {
 	}
 
+	@SuppressWarnings("NullAway")
 	public AbstractIdentityColumnMaxValueIncrementer(DataSource dataSource, String incrementerName, String columnName) {
 		super(dataSource, incrementerName, columnName);
 	}

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

@@ -42,6 +42,7 @@ public class HibernateJdbcException extends UncategorizedDataAccessException {
 	/**
 	 * Return the underlying SQLException.
 	 */
+	@SuppressWarnings("NullAway")
 	public SQLException getSQLException() {
 		return ((JDBCException) getCause()).getSQLException();
 	}
@@ -50,6 +51,7 @@ public class HibernateJdbcException extends UncategorizedDataAccessException {
 	 * Return the SQL that led to the problem.
 	 */
 	@Nullable
+	@SuppressWarnings("NullAway")
 	public String getSql() {
 		return ((JDBCException) getCause()).getSQL();
 	}

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

@@ -40,6 +40,7 @@ public class HibernateQueryException extends InvalidDataAccessResourceUsageExcep
 	 * Return the HQL query string that was invalid.
 	 */
 	@Nullable
+	@SuppressWarnings("NullAway")
 	public String getQueryString() {
 		return ((QueryException) getCause()).getQueryString();
 	}

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

@@ -947,6 +947,7 @@ public class HibernateTemplate implements HibernateOperations, InitializingBean
 
 	@Deprecated
 	@Override
+	@SuppressWarnings("NullAway")
 	public List<?> findByNamedQueryAndNamedParam(
 			String queryName, @Nullable String[] paramNames, @Nullable Object[] values)
 			throws DataAccessException {

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

@@ -427,7 +427,7 @@ public abstract class AbstractEntityManagerFactoryBean implements
 				if (cause != null) {
 					String message = ex.getMessage();
 					String causeString = cause.toString();
-					if (!message.endsWith(causeString)) {
+					if (message != null && !message.endsWith(causeString)) {
 						ex = new PersistenceException(message + "; nested exception is " + causeString, cause);
 					}
 				}

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

@@ -349,7 +349,7 @@ public class LocalContainerEntityManagerFactoryBean extends AbstractEntityManage
 	@Override
 	public void afterPropertiesSet() throws PersistenceException {
 		PersistenceUnitManager managerToUse = this.persistenceUnitManager;
-		if (this.persistenceUnitManager == null) {
+		if (managerToUse == null) {
 			this.internalPersistenceUnitManager.afterPropertiesSet();
 			managerToUse = this.internalPersistenceUnitManager;
 		}

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

@@ -452,6 +452,7 @@ public class DefaultPersistenceUnitManager
 	 * @see #obtainDefaultPersistenceUnitInfo()
 	 * @see #obtainPersistenceUnitInfo(String)
 	 */
+	@SuppressWarnings("NullAway")
 	public void preparePersistenceUnitInfos() {
 		this.persistenceUnitInfoNames.clear();
 		this.persistenceUnitInfos.clear();

spring-orm/src/main/java/org/springframework/orm/jpa/support/PersistenceAnnotationBeanPostProcessor.java

@@ -359,6 +359,7 @@ public class PersistenceAnnotationBeanPostProcessor implements InstantiationAwar
 	}
 
 	@Override
+	@Nullable
 	public BeanRegistrationAotContribution processAheadOfTime(RegisteredBean registeredBean) {
 		Class<?> beanClass = registeredBean.getBeanClass();
 		String beanName = registeredBean.getBeanName();
@@ -857,6 +858,7 @@ public class PersistenceAnnotationBeanPostProcessor implements InstantiationAwar
 			return CodeBlock.of("$L($L)", generatedMethod.getName(), REGISTERED_BEAN_PARAMETER);
 		}
 
+		@SuppressWarnings("NullAway")
 		private void generateGetEntityManagerMethod(MethodSpec.Builder method, PersistenceElement injectedElement) {
 			String unitName = injectedElement.unitName;
 			Properties properties = injectedElement.properties;

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/Target_BytecodeProvider.java

@@ -36,6 +36,7 @@ import org.hibernate.property.access.spi.PropertyAccess;
 final class Target_BytecodeProvider {
 
 	@Substitute
+	@SuppressWarnings("NullAway")
 	public ReflectionOptimizer getReflectionOptimizer(Class<?> clazz, Map<String, PropertyAccess> propertyAccessMap) {
 		return null;
 	}

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/Target_BytecodeProviderInitiator.java

@@ -36,6 +36,7 @@ import org.hibernate.bytecode.spi.BytecodeProvider;
 final class Target_BytecodeProviderInitiator {
 
 	@Alias
+	@SuppressWarnings("NullAway")
 	public static String BYTECODE_PROVIDER_NAME_NONE;
 
 	@Alias

spring-r2dbc/src/main/java/org/springframework/r2dbc/connection/lookup/AbstractRoutingConnectionFactory.java

@@ -142,6 +142,7 @@ public abstract class AbstractRoutingConnectionFactory implements ConnectionFact
 	 * @see #setTargetConnectionFactories(Map)
 	 * @see #setDefaultTargetConnectionFactory(Object)
 	 */
+	@SuppressWarnings("NullAway")
 	public void initialize() {
 		Assert.notNull(this.targetConnectionFactories, "Property 'targetConnectionFactories' must not be null");
 
@@ -220,6 +221,7 @@ public abstract class AbstractRoutingConnectionFactory implements ConnectionFact
 	 * per {@link #determineCurrentLookupKey()}
 	 * @see #determineCurrentLookupKey()
 	 */
+	@SuppressWarnings("NullAway")
 	protected Mono<ConnectionFactory> determineTargetConnectionFactory() {
 		Assert.state(this.resolvedConnectionFactories != null, "ConnectionFactory router not initialized");
 

spring-r2dbc/src/main/java/org/springframework/r2dbc/core/DefaultDatabaseClient.java

@@ -383,6 +383,7 @@ final class DefaultDatabaseClient implements DatabaseClient {
 			return fetch().rowsUpdated().then();
 		}
 
+		@SuppressWarnings("NullAway")
 		private ResultFunction getResultFunction(Supplier<String> sqlSupplier) {
 			BiFunction<Connection, String, Statement> statementFunction = (connection, sql) -> {
 				if (logger.isDebugEnabled()) {

spring-r2dbc/src/main/java/org/springframework/r2dbc/core/MapBindParameterSource.java

@@ -75,6 +75,7 @@ class MapBindParameterSource implements BindParameterSource {
 	}
 
 	@Override
+	@SuppressWarnings("NullAway")
 	public Parameter getValue(String paramName) throws IllegalArgumentException {
 		if (!hasValue(paramName)) {
 			throw new IllegalArgumentException("No value registered for key '" + paramName + "'");