Replace deep exception message nesting with custom inclusion of cause messages

Includes deprecation of NestedServletException, whereas NestedCheckedException and NestedRuntimeException remain as base classes with several convenience methods.

Closes gh-25162

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -71,7 +71,8 @@ public class TypeMismatchException extends PropertyAccessException {
 				(requiredType != null ?
 				" to required type '" + ClassUtils.getQualifiedName(requiredType) + "'" : "") +
 				(propertyChangeEvent.getPropertyName() != null ?
-				" for property '" + propertyChangeEvent.getPropertyName() + "'" : ""),
+				" for property '" + propertyChangeEvent.getPropertyName() + "'" : "") +
+				(cause != null ? "; " + cause.getMessage() : ""),
 				cause);
 		this.propertyName = propertyChangeEvent.getPropertyName();
 		this.value = propertyChangeEvent.getNewValue();
@@ -97,7 +98,8 @@ public class TypeMismatchException extends PropertyAccessException {
 	 */
 	public TypeMismatchException(@Nullable Object value, @Nullable Class<?> requiredType, @Nullable Throwable cause) {
 		super("Failed to convert value of type '" + ClassUtils.getDescriptiveType(value) + "'" +
-				(requiredType != null ? " to required type '" + ClassUtils.getQualifiedName(requiredType) + "'" : ""),
+				(requiredType != null ? " to required type '" + ClassUtils.getQualifiedName(requiredType) + "'" : "") +
+				(cause != null ? "; " + cause.getMessage() : ""),
 				cause);
 		this.value = value;
 		this.requiredType = requiredType;

spring-beans/src/main/java/org/springframework/beans/factory/UnsatisfiedDependencyException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -62,7 +62,7 @@ public class UnsatisfiedDependencyException extends BeanCreationException {
 	public UnsatisfiedDependencyException(
 			@Nullable String resourceDescription, @Nullable String beanName, String propertyName, BeansException ex) {
 
-		this(resourceDescription, beanName, propertyName, "");
+		this(resourceDescription, beanName, propertyName, ex.getMessage());
 		initCause(ex);
 	}
 
@@ -94,7 +94,7 @@ public class UnsatisfiedDependencyException extends BeanCreationException {
 	public UnsatisfiedDependencyException(
 			@Nullable String resourceDescription, @Nullable String beanName, @Nullable InjectionPoint injectionPoint, BeansException ex) {
 
-		this(resourceDescription, beanName, injectionPoint, "");
+		this(resourceDescription, beanName, injectionPoint, ex.getMessage());
 		initCause(ex);
 	}
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -86,7 +86,7 @@ public abstract class PropertyResourceConfigurer extends PropertiesLoaderSupport
 			processProperties(beanFactory, mergedProps);
 		}
 		catch (IOException ex) {
-			throw new BeanInitializationException("Could not load properties", ex);
+			throw new BeanInitializationException("Could not load properties: " + ex.getMessage(), ex);
 		}
 	}
 

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

@@ -608,8 +608,7 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 				throw (BeanCreationException) ex;
 			}
 			else {
-				throw new BeanCreationException(
+				throw new BeanCreationException(mbd.getResourceDescription(), beanName, ex.getMessage(), ex);
-						mbd.getResourceDescription(), beanName, "Initialization of bean failed", ex);
 			}
 		}
 
@@ -1302,8 +1301,7 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 			return bw;
 		}
 		catch (Throwable ex) {
-			throw new BeanCreationException(
+			throw new BeanCreationException(mbd.getResourceDescription(), beanName, ex.getMessage(), ex);
-					mbd.getResourceDescription(), beanName, "Instantiation of bean failed", ex);
 		}
 	}
 
@@ -1699,8 +1697,7 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 			bw.setPropertyValues(new MutablePropertyValues(deepCopy));
 		}
 		catch (BeansException ex) {
-			throw new BeanCreationException(
+			throw new BeanCreationException(mbd.getResourceDescription(), beanName, ex.getMessage(), ex);
-					mbd.getResourceDescription(), beanName, "Error setting property values", ex);
 		}
 	}
 
@@ -1752,8 +1749,7 @@ public abstract class AbstractAutowireCapableBeanFactory extends AbstractBeanFac
 		}
 		catch (Throwable ex) {
 			throw new BeanCreationException(
-					(mbd != null ? mbd.getResourceDescription() : null),
+					(mbd != null ? mbd.getResourceDescription() : null), beanName, ex.getMessage(), ex);
-					beanName, "Invocation of init method failed", ex);
 		}
 		if (mbd == null || !mbd.isSynthetic()) {
 			wrappedBean = applyBeanPostProcessorsAfterInitialization(wrappedBean, beanName);

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

@@ -303,8 +303,7 @@ class ConstructorResolver {
 			return strategy.instantiate(mbd, beanName, this.beanFactory, constructorToUse, argsToUse);
 		}
 		catch (Throwable ex) {
-			throw new BeanCreationException(mbd.getResourceDescription(), beanName,
+			throw new BeanCreationException(mbd.getResourceDescription(), beanName, ex.getMessage(), ex);
-					"Bean instantiation via constructor failed", ex);
 		}
 	}
 
@@ -631,8 +630,7 @@ class ConstructorResolver {
 					mbd, beanName, this.beanFactory, factoryBean, factoryMethod, args);
 		}
 		catch (Throwable ex) {
-			throw new BeanCreationException(mbd.getResourceDescription(), beanName,
+			throw new BeanCreationException(mbd.getResourceDescription(), beanName, ex.getMessage(), ex);
-					"Bean instantiation via factory method failed", ex);
 		}
 	}
 

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -152,7 +152,7 @@ public class SimpleInstantiationStrategy implements InstantiationStrategy {
 					"Cannot access factory method '" + factoryMethod.getName() + "'; is it public?", ex);
 		}
 		catch (InvocationTargetException ex) {
-			String msg = "Factory method '" + factoryMethod.getName() + "' threw exception";
+			String msg = ex.getTargetException().getMessage();
 			if (bd.getFactoryBeanName() != null && owner instanceof ConfigurableBeanFactory &&
 					((ConfigurableBeanFactory) owner).isCurrentlyInCreation(bd.getFactoryBeanName())) {
 				msg = "Circular reference involving containing bean '" + bd.getFactoryBeanName() + "' - consider " +

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

@@ -606,7 +606,7 @@ class ConfigurationClassParser {
 			catch (Throwable ex) {
 				throw new BeanDefinitionStoreException(
 						"Failed to process import candidates for configuration class [" +
-						configClass.getMetadata().getClassName() + "]", ex);
+						configClass.getMetadata().getClassName() + "]: " + ex.getMessage(), ex);
 			}
 			finally {
 				this.importStack.pop();

spring-context/src/main/java/org/springframework/context/event/EventListenerMethodProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -155,7 +155,7 @@ public class EventListenerMethodProcessor
 					}
 					catch (Throwable ex) {
 						throw new BeanInitializationException("Failed to process @EventListener " +
-								"annotation on bean with name '" + beanName + "'", ex);
+								"annotation on bean with name '" + beanName + "': " + ex.getMessage(), ex);
 					}
 				}
 			}

spring-context/src/test/java/org/springframework/beans/factory/xml/XmlBeanFactoryTests.java

@@ -944,8 +944,8 @@ class XmlBeanFactoryTests {
 			xbf.getBean("rod2Accessor");
 		}
 		catch (BeanCreationException ex) {
-			assertThat(ex.toString().contains("touchy")).isTrue();
 			ex.printStackTrace();
+			assertThat(ex.toString().contains("touchy")).isTrue();
 			assertThat((Object) ex.getRelatedCauses()).isNull();
 		}
 	}
@@ -1370,7 +1370,7 @@ class XmlBeanFactoryTests {
 		reader.loadBeanDefinitions(INVALID_NO_SUCH_METHOD_CONTEXT);
 		assertThatExceptionOfType(BeanDefinitionStoreException.class).isThrownBy(() ->
 				xbf.getBean("constructorOverrides"))
-			.withMessageContaining("bogusMethod");
+			.satisfies(ex -> ex.getCause().getMessage().contains("bogusMethod"));
 	}
 
 	@Test

spring-context/src/test/java/org/springframework/context/annotation/Spr12278Tests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -56,7 +56,7 @@ public class Spr12278Tests {
 	public void componentTwoSpecificConstructorsNoHint() {
 		assertThatExceptionOfType(BeanCreationException.class).isThrownBy(() ->
 				new AnnotationConfigApplicationContext(BaseConfiguration.class, TwoSpecificConstructorsComponent.class))
-			.withMessageContaining(NoSuchMethodException.class.getName());
+			.withMessageContaining("No default constructor found");
 	}
 
 

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

@@ -33,7 +33,6 @@ import org.springframework.lang.Nullable;
  * @author Rod Johnson
  * @author Juergen Hoeller
  * @see #getMessage
- * @see #printStackTrace
  * @see NestedRuntimeException
  */
 public abstract class NestedCheckedException extends Exception {
@@ -41,12 +40,6 @@ public abstract class NestedCheckedException extends Exception {
 	/** Use serialVersionUID from Spring 1.2 for interoperability. */
 	private static final long serialVersionUID = 7100714597678207546L;
 
-	static {
-		// Eagerly load the NestedExceptionUtils class to avoid classloader deadlock
-		// issues on OSGi when calling getMessage(). Reported by Don Brown; SPR-5607.
-		NestedExceptionUtils.class.getName();
-	}
-
 
 	/**
 	 * Construct a {@code NestedCheckedException} with the specified detail message.
@@ -67,17 +60,6 @@ public abstract class NestedCheckedException extends Exception {
 	}
 
 
-	/**
-	 * Return the detail message, including the message from the nested exception
-	 * if there is one.
-	 */
-	@Override
-	@Nullable
-	public String getMessage() {
-		return NestedExceptionUtils.buildMessage(super.getMessage(), getCause());
-	}
-
-
 	/**
 	 * Retrieve the innermost cause of this exception, if any.
 	 * @return the innermost exception, or {@code null} if none

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -29,8 +29,6 @@ import org.springframework.lang.Nullable;
  * @since 2.0
  * @see NestedRuntimeException
  * @see NestedCheckedException
- * @see NestedIOException
- * @see org.springframework.web.util.NestedServletException
  */
 public abstract class NestedExceptionUtils {
 
@@ -39,7 +37,10 @@ public abstract class NestedExceptionUtils {
 	 * @param message the base message
 	 * @param cause the root cause
 	 * @return the full exception message
+	 * @deprecated as of 6.0, in favor of custom exception messages
+	 * with selective inclusion of cause messages
 	 */
+	@Deprecated
 	@Nullable
 	public static String buildMessage(@Nullable String message, @Nullable Throwable cause) {
 		if (cause == null) {

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

@@ -33,7 +33,6 @@ import org.springframework.lang.Nullable;
  * @author Rod Johnson
  * @author Juergen Hoeller
  * @see #getMessage
- * @see #printStackTrace
  * @see NestedCheckedException
  */
 public abstract class NestedRuntimeException extends RuntimeException {
@@ -41,12 +40,6 @@ public abstract class NestedRuntimeException extends RuntimeException {
 	/** Use serialVersionUID from Spring 1.2 for interoperability. */
 	private static final long serialVersionUID = 5439915454935047936L;
 
-	static {
-		// Eagerly load the NestedExceptionUtils class to avoid classloader deadlock
-		// issues on OSGi when calling getMessage(). Reported by Don Brown; SPR-5607.
-		NestedExceptionUtils.class.getName();
-	}
-
 
 	/**
 	 * Construct a {@code NestedRuntimeException} with the specified detail message.
@@ -67,17 +60,6 @@ public abstract class NestedRuntimeException extends RuntimeException {
 	}
 
 
-	/**
-	 * Return the detail message, including the message from the nested exception
-	 * if there is one.
-	 */
-	@Override
-	@Nullable
-	public String getMessage() {
-		return NestedExceptionUtils.buildMessage(super.getMessage(), getCause());
-	}
-
-
 	/**
 	 * Retrieve the innermost cause of this exception, if any.
 	 * @return the innermost exception, or {@code null} if none

spring-core/src/test/java/org/springframework/core/NestedExceptionTests.java

@@ -1,109 +0,0 @@
-/*
- * Copyright 2002-2019 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.core;
-
-import java.io.ByteArrayOutputStream;
-import java.io.PrintWriter;
-
-import org.junit.jupiter.api.Test;
-
-import static org.assertj.core.api.Assertions.assertThat;
-
-/**
- * @author Rod Johnson
- * @author Juergen Hoeller
- */
-@SuppressWarnings("serial")
-class NestedExceptionTests {
-
-	@Test
-	void nestedRuntimeExceptionWithNoRootCause() {
-		String mesg = "mesg of mine";
-		// Making a class abstract doesn't _really_ prevent instantiation :-)
-		NestedRuntimeException nex = new NestedRuntimeException(mesg) {};
-		assertThat(nex.getCause()).isNull();
-		assertThat(mesg).isEqualTo(nex.getMessage());
-
-		// Check printStackTrace
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		PrintWriter pw = new PrintWriter(baos);
-		nex.printStackTrace(pw);
-		pw.flush();
-		String stackTrace = new String(baos.toByteArray());
-		assertThat(stackTrace.contains(mesg)).isTrue();
-	}
-
-	@Test
-	void nestedRuntimeExceptionWithRootCause() {
-		String myMessage = "mesg for this exception";
-		String rootCauseMsg = "this is the obscure message of the root cause";
-		Exception rootCause = new Exception(rootCauseMsg);
-		// Making a class abstract doesn't _really_ prevent instantiation :-)
-		NestedRuntimeException nex = new NestedRuntimeException(myMessage, rootCause) {};
-		assertThat(rootCause).isEqualTo(nex.getCause());
-		assertThat(nex.getMessage().contains(myMessage)).isTrue();
-		assertThat(nex.getMessage().endsWith(rootCauseMsg)).isTrue();
-
-		// check PrintStackTrace
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		PrintWriter pw = new PrintWriter(baos);
-		nex.printStackTrace(pw);
-		pw.flush();
-		String stackTrace = new String(baos.toByteArray());
-		assertThat(stackTrace.contains(rootCause.getClass().getName())).isTrue();
-		assertThat(stackTrace.contains(rootCauseMsg)).isTrue();
-	}
-
-	@Test
-	void nestedCheckedExceptionWithNoRootCause() {
-		String mesg = "mesg of mine";
-		// Making a class abstract doesn't _really_ prevent instantiation :-)
-		NestedCheckedException nex = new NestedCheckedException(mesg) {};
-		assertThat(nex.getCause()).isNull();
-		assertThat(mesg).isEqualTo(nex.getMessage());
-
-		// Check printStackTrace
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		PrintWriter pw = new PrintWriter(baos);
-		nex.printStackTrace(pw);
-		pw.flush();
-		String stackTrace = new String(baos.toByteArray());
-		assertThat(stackTrace.contains(mesg)).isTrue();
-	}
-
-	@Test
-	void nestedCheckedExceptionWithRootCause() {
-		String myMessage = "mesg for this exception";
-		String rootCauseMsg = "this is the obscure message of the root cause";
-		Exception rootCause = new Exception(rootCauseMsg);
-		// Making a class abstract doesn't _really_ prevent instantiation :-)
-		NestedCheckedException nex = new NestedCheckedException(myMessage, rootCause) {};
-		assertThat(rootCause).isEqualTo(nex.getCause());
-		assertThat(nex.getMessage().contains(myMessage)).isTrue();
-		assertThat(nex.getMessage().endsWith(rootCauseMsg)).isTrue();
-
-		// check PrintStackTrace
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		PrintWriter pw = new PrintWriter(baos);
-		nex.printStackTrace(pw);
-		pw.flush();
-		String stackTrace = new String(baos.toByteArray());
-		assertThat(stackTrace.contains(rootCause.getClass().getName())).isTrue();
-		assertThat(stackTrace.contains(rootCauseMsg)).isTrue();
-	}
-
-}

spring-jms/src/main/java/org/springframework/jms/core/JmsMessagingTemplate.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -473,7 +473,8 @@ public class JmsMessagingTemplate extends AbstractMessagingTemplate<Destination>
 				return this.messageConverter.toMessage(this.message, session);
 			}
 			catch (Exception ex) {
-				throw new MessageConversionException("Could not convert '" + this.message + "'", ex);
+				throw new MessageConversionException(
+						"Could not convert '" + this.message + "': " + ex.getMessage(), ex);
 			}
 		}
 	}

spring-r2dbc/src/test/java/org/springframework/r2dbc/connection/ConnectionFactoryUtilsUnitTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2020 the original author or authors.
+ * Copyright 2019-2022 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.
@@ -105,8 +105,7 @@ public class ConnectionFactoryUtilsUnitTests {
 		Exception exception = ConnectionFactoryUtils.convertR2dbcException("TASK",
 				"SOME-SQL", new R2dbcTransientResourceException("MESSAGE"));
 		assertThat(exception).isInstanceOf(
-				TransientDataAccessResourceException.class).hasMessage(
+				TransientDataAccessResourceException.class).hasMessage("TASK; SQL [SOME-SQL]; MESSAGE");
-						"TASK; SQL [SOME-SQL]; MESSAGE; nested exception is io.r2dbc.spi.R2dbcTransientResourceException: MESSAGE");
 	}
 
 	@Test
@@ -114,21 +113,20 @@ public class ConnectionFactoryUtilsUnitTests {
 		Exception exception = ConnectionFactoryUtils.convertR2dbcException("TASK", null,
 				new R2dbcTransientResourceException("MESSAGE"));
 		assertThat(exception).isInstanceOf(
-				TransientDataAccessResourceException.class).hasMessage(
+				TransientDataAccessResourceException.class).hasMessage("TASK; MESSAGE");
-						"TASK; MESSAGE; nested exception is io.r2dbc.spi.R2dbcTransientResourceException: MESSAGE");
 	}
 
 	@Test
 	public void messageGenerationNullMessage() {
-
 		Exception exception = ConnectionFactoryUtils.convertR2dbcException("TASK",
 				"SOME-SQL", new R2dbcTransientResourceException());
 		assertThat(exception).isInstanceOf(
-				TransientDataAccessResourceException.class).hasMessage(
+				TransientDataAccessResourceException.class).hasMessage("TASK; SQL [SOME-SQL]; null");
-						"TASK; SQL [SOME-SQL]; null; nested exception is io.r2dbc.spi.R2dbcTransientResourceException");
 	}
 
+
 	@SuppressWarnings("serial")
 	private static class MyTransientExceptions extends R2dbcException {
 	}
+
 }

spring-web/src/main/java/org/springframework/http/converter/xml/AbstractXmlHttpMessageConverter.java

@@ -75,7 +75,7 @@ public abstract class AbstractXmlHttpMessageConverter<T> extends AbstractHttpMes
 			throw ex;
 		}
 		catch (Exception ex) {
-			throw new HttpMessageNotReadableException("Could not unmarshal to [" + clazz + "]: " + ex.getMessage(),
+			throw new HttpMessageNotReadableException("Could not unmarshal to [" + clazz + "]: " + ex,
 					ex, inputMessage);
 		}
 	}

spring-web/src/main/java/org/springframework/http/converter/xml/Jaxb2CollectionHttpMessageConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -173,7 +173,7 @@ public class Jaxb2CollectionHttpMessageConverter<T extends Collection>
 		}
 		catch (UnmarshalException ex) {
 			throw new HttpMessageNotReadableException(
-					"Could not unmarshal to [" + elementClass + "]: " + ex.getMessage(), ex, inputMessage);
+					"Could not unmarshal to [" + elementClass + "]: " + ex, ex, inputMessage);
 		}
 		catch (JAXBException ex) {
 			throw new HttpMessageConversionException("Invalid JAXB setup: " + ex.getMessage(), ex);

spring-web/src/main/java/org/springframework/web/ErrorResponseException.java

@@ -18,14 +18,12 @@ package org.springframework.web;
 
 import java.net.URI;
 
-import org.springframework.core.NestedExceptionUtils;
 import org.springframework.core.NestedRuntimeException;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatusCode;
 import org.springframework.http.ProblemDetail;
 import org.springframework.lang.Nullable;
 
-
 /**
  * {@link RuntimeException} that implements {@link ErrorResponse} to expose
  * an HTTP status, response headers, and a body formatted as an RFC 7808
@@ -137,8 +135,7 @@ public class ErrorResponseException extends NestedRuntimeException implements Er
 
 	@Override
 	public String getMessage() {
-		String message = this.status + (!this.headers.isEmpty() ? ", headers=" + this.headers : "") + ", " + this.body;
+		return this.status + (!this.headers.isEmpty() ? ", headers=" + this.headers : "") + ", " + this.body;
-		return NestedExceptionUtils.buildMessage(message, getCause());
 	}
 
 }

spring-web/src/main/java/org/springframework/web/bind/ServletRequestBindingException.java

@@ -16,11 +16,12 @@
 
 package org.springframework.web.bind;
 
+import jakarta.servlet.ServletException;
+
 import org.springframework.http.HttpStatus;
 import org.springframework.http.HttpStatusCode;
 import org.springframework.http.ProblemDetail;
 import org.springframework.web.ErrorResponse;
-import org.springframework.web.util.NestedServletException;
 
 /**
  * Fatal binding exception, thrown when we want to
@@ -34,7 +35,7 @@ import org.springframework.web.util.NestedServletException;
  * @author Juergen Hoeller
  */
 @SuppressWarnings("serial")
-public class ServletRequestBindingException extends NestedServletException implements ErrorResponse {
+public class ServletRequestBindingException extends ServletException implements ErrorResponse {
 
 	private final ProblemDetail body = ProblemDetail.forStatus(getStatusCode());
 

spring-web/src/main/java/org/springframework/web/filter/GenericFilterBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -49,7 +49,6 @@ import org.springframework.util.StringUtils;
 import org.springframework.web.context.ServletContextAware;
 import org.springframework.web.context.support.ServletContextResourceLoader;
 import org.springframework.web.context.support.StandardServletEnvironment;
-import org.springframework.web.util.NestedServletException;
 
 /**
  * Simple base implementation of {@link jakarta.servlet.Filter} which treats
@@ -230,7 +229,7 @@ public abstract class GenericFilterBean implements Filter, BeanNameAware, Enviro
 				String msg = "Failed to set bean properties on filter '" +
 						filterConfig.getFilterName() + "': " + ex.getMessage();
 				logger.error(msg, ex);
-				throw new NestedServletException(msg, ex);
+				throw new ServletException(msg, ex);
 			}
 		}
 

spring-web/src/main/java/org/springframework/web/server/ResponseStatusException.java

@@ -16,7 +16,6 @@
 
 package org.springframework.web.server;
 
-import org.springframework.core.NestedExceptionUtils;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatusCode;
 import org.springframework.lang.Nullable;
@@ -112,8 +111,7 @@ public class ResponseStatusException extends ErrorResponseException {
 
 	@Override
 	public String getMessage() {
-		String msg = getStatusCode() + (this.reason != null ? " \"" + this.reason + "\"" : "");
+		return getStatusCode() + (this.reason != null ? " \"" + this.reason + "\"" : "");
-		return NestedExceptionUtils.buildMessage(msg, getCause());
 	}
 
 }

spring-web/src/main/java/org/springframework/web/util/NestedServletException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -37,10 +37,11 @@ import org.springframework.lang.Nullable;
  * @author Juergen Hoeller
  * @since 1.2.5
  * @see #getMessage
- * @see #printStackTrace
  * @see org.springframework.core.NestedCheckedException
  * @see org.springframework.core.NestedRuntimeException
+ * @deprecated as of 6.0, in favor of standard {@link ServletException} nesting
  */
+@Deprecated
 public class NestedServletException extends ServletException {
 
 	/** Use serialVersionUID from Spring 1.2 for interoperability. */
@@ -68,18 +69,7 @@ public class NestedServletException extends ServletException {
 	 * @param cause the nested exception
 	 */
 	public NestedServletException(@Nullable String msg, @Nullable Throwable cause) {
-		super(msg, cause);
+		super(NestedExceptionUtils.buildMessage(msg, cause), cause);
-	}
-
-
-	/**
-	 * Return the detail message, including the message from the nested exception
-	 * if there is one.
-	 */
-	@Override
-	@Nullable
-	public String getMessage() {
-		return NestedExceptionUtils.buildMessage(super.getMessage(), getCause());
 	}
 
 }

spring-web/src/test/java/org/springframework/web/client/RestTemplateTests.java

@@ -598,8 +598,7 @@ class RestTemplateTests {
 
 		assertThatExceptionOfType(ResourceAccessException.class).isThrownBy(() ->
 				template.getForObject(url, String.class))
-			.withMessage("I/O error on GET request for \"https://example.com/resource\": " +
+			.withMessage("I/O error on GET request for \"https://example.com/resource\": Socket failure");
-							"Socket failure; nested exception is java.io.IOException: Socket failure");
 	}
 
 	@Test  // SPR-15900
@@ -615,8 +614,7 @@ class RestTemplateTests {
 
 		assertThatExceptionOfType(ResourceAccessException.class).isThrownBy(() ->
 				template.getForObject(uri, String.class))
-			.withMessage("I/O error on GET request for \"https://example.com/resource\": " +
+			.withMessage("I/O error on GET request for \"https://example.com/resource\": Socket failure");
-					"Socket failure; nested exception is java.io.IOException: Socket failure");
 	}
 
 	@Test

spring-web/src/test/java/org/springframework/web/context/support/Spr8510Tests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -47,7 +47,7 @@ public class Spr8510Tests {
 
 		assertThatExceptionOfType(Throwable.class).isThrownBy(() ->
 				cll.contextInitialized(new ServletContextEvent(sc)))
-			.withMessageEndingWith("Could not open ServletContext resource [/programmatic.xml]");
+			.withMessageEndingWith("ServletContext resource [/programmatic.xml]");
 	}
 
 	/**
@@ -68,7 +68,7 @@ public class Spr8510Tests {
 
 		assertThatExceptionOfType(Throwable.class).isThrownBy(() ->
 				cll.contextInitialized(new ServletContextEvent(sc)))
-			.withMessageEndingWith("Could not open ServletContext resource [/from-init-param.xml]");
+			.withMessageEndingWith("ServletContext resource [/from-init-param.xml]");
 	}
 
 	/**
@@ -86,7 +86,7 @@ public class Spr8510Tests {
 
 		assertThatExceptionOfType(Throwable.class).isThrownBy(() ->
 				cll.contextInitialized(new ServletContextEvent(sc)))
-			.withMessageEndingWith("Could not open ServletContext resource [/from-init-param.xml]");
+			.withMessageEndingWith("ServletContext resource [/from-init-param.xml]");
 	}
 
 	/**
@@ -108,7 +108,7 @@ public class Spr8510Tests {
 
 		assertThatExceptionOfType(Throwable.class).isThrownBy(() ->
 				cll.contextInitialized(new ServletContextEvent(sc)))
-			.withMessageEndingWith("Could not open ServletContext resource [/from-init-param.xml]");
+			.withMessageEndingWith("ServletContext resource [/from-init-param.xml]");
 	}
 
 	/**
@@ -127,7 +127,7 @@ public class Spr8510Tests {
 
 		assertThatExceptionOfType(Throwable.class).isThrownBy(() ->
 				cll.contextInitialized(new ServletContextEvent(sc)))
-			.withMessageEndingWith("Could not open ServletContext resource [/WEB-INF/applicationContext.xml]");
+			.withMessageEndingWith("ServletContext resource [/WEB-INF/applicationContext.xml]");
 	}
 
 	/**

spring-webmvc/src/main/java/org/springframework/web/servlet/DispatcherServlet.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -62,7 +62,6 @@ import org.springframework.web.context.request.async.WebAsyncUtils;
 import org.springframework.web.multipart.MultipartException;
 import org.springframework.web.multipart.MultipartHttpServletRequest;
 import org.springframework.web.multipart.MultipartResolver;
-import org.springframework.web.util.NestedServletException;
 import org.springframework.web.util.ServletRequestPathUtils;
 import org.springframework.web.util.WebUtils;
 
@@ -1077,7 +1076,7 @@ public class DispatcherServlet extends FrameworkServlet {
 			catch (Throwable err) {
 				// As of 4.3, we're processing Errors thrown from handler methods as well,
 				// making them available for @ExceptionHandler methods and other scenarios.
-				dispatchException = new NestedServletException("Handler dispatch failed", err);
+				dispatchException = new ServletException("Handler dispatch failed: " + err, err);
 			}
 			processDispatchResult(processedRequest, response, mappedHandler, mv, dispatchException);
 		}
@@ -1086,7 +1085,7 @@ public class DispatcherServlet extends FrameworkServlet {
 		}
 		catch (Throwable err) {
 			triggerAfterCompletion(processedRequest, response, mappedHandler,
-					new NestedServletException("Handler processing failed", err));
+					new ServletException("Handler processing failed: " + err, err));
 		}
 		finally {
 			if (asyncManager.isConcurrentHandlingStarted()) {

spring-webmvc/src/main/java/org/springframework/web/servlet/FrameworkServlet.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -68,7 +68,6 @@ import org.springframework.web.context.support.ServletRequestHandledEvent;
 import org.springframework.web.context.support.WebApplicationContextUtils;
 import org.springframework.web.context.support.XmlWebApplicationContext;
 import org.springframework.web.cors.CorsUtils;
-import org.springframework.web.util.NestedServletException;
 import org.springframework.web.util.WebUtils;
 
 /**
@@ -1009,7 +1008,7 @@ public abstract class FrameworkServlet extends HttpServletBean implements Applic
 		}
 		catch (Throwable ex) {
 			failureCause = ex;
-			throw new NestedServletException("Request processing failed", ex);
+			throw new ServletException("Request processing failed: " + ex, ex);
 		}
 
 		finally {

spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/ServletInvocableHandlerMethod.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -22,6 +22,7 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Type;
 import java.util.concurrent.Callable;
 
+import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 
@@ -44,7 +45,6 @@ import org.springframework.web.method.support.HandlerMethodReturnValueHandlerCom
 import org.springframework.web.method.support.InvocableHandlerMethod;
 import org.springframework.web.method.support.ModelAndViewContainer;
 import org.springframework.web.servlet.View;
-import org.springframework.web.util.NestedServletException;
 
 /**
  * Extends {@link InvocableHandlerMethod} with the ability to handle return
@@ -220,7 +220,7 @@ public class ServletInvocableHandlerMethod extends InvocableHandlerMethod {
 					throw (Exception) result;
 				}
 				else if (result instanceof Throwable) {
-					throw new NestedServletException("Async processing failed", (Throwable) result);
+					throw new ServletException("Async processing failed: " + result, (Throwable) result);
 				}
 				return result;
 			}, CALLABLE_METHOD);

spring-webmvc/src/main/java/org/springframework/web/servlet/view/groovy/GroovyMarkupView.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -23,6 +23,7 @@ import java.util.Map;
 
 import groovy.text.Template;
 import groovy.text.markup.MarkupTemplateEngine;
+import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 
@@ -34,7 +35,6 @@ import org.springframework.context.ApplicationContextException;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 import org.springframework.web.servlet.view.AbstractTemplateView;
-import org.springframework.web.util.NestedServletException;
 
 /**
  * An {@link AbstractTemplateView} subclass based on Groovy XML/XHTML markup templates.
@@ -133,7 +133,7 @@ public class GroovyMarkupView extends AbstractTemplateView {
 		}
 		catch (ClassNotFoundException ex) {
 			Throwable cause = (ex.getCause() != null ? ex.getCause() : ex);
-			throw new NestedServletException(
+			throw new ServletException(
 					"Could not find class while rendering Groovy Markup view with name '" +
 					getUrl() + "': " + ex.getMessage() + "'", cause);
 		}

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/ExceptionHandlerExceptionResolverTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -23,6 +23,7 @@ import java.net.SocketTimeoutException;
 import java.util.Collections;
 import java.util.Locale;
 
+import jakarta.servlet.ServletException;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -61,7 +62,6 @@ import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 import org.springframework.web.servlet.resource.ResourceHttpRequestHandler;
 import org.springframework.web.testfixture.servlet.MockHttpServletRequest;
 import org.springframework.web.testfixture.servlet.MockHttpServletResponse;
-import org.springframework.web.util.NestedServletException;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -315,7 +315,7 @@ public class ExceptionHandlerExceptionResolverTests {
 		AssertionError err = new AssertionError("argh");
 		HandlerMethod handlerMethod = new HandlerMethod(new ResponseBodyController(), "handle");
 		ModelAndView mav = this.resolver.resolveException(this.request, this.response, handlerMethod,
-				new NestedServletException("Handler dispatch failed", err));
+				new ServletException("Handler dispatch failed", err));
 
 		assertThat(mav).as("Exception was not handled").isNotNull();
 		assertThat(mav.isEmpty()).isTrue();

spring-websocket/src/main/java/org/springframework/web/socket/server/support/WebSocketHttpRequestHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 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.
@@ -181,7 +181,8 @@ public class WebSocketHttpRequestHandler implements HttpRequestHandler, Lifecycl
 			failure = ex;
 		}
 		catch (Exception ex) {
-			failure = new HandshakeFailureException("Uncaught failure for request " + request.getURI(), ex);
+			failure = new HandshakeFailureException(
+					"Uncaught failure for request " + request.getURI() + " - " + ex.getMessage(), ex);
 		}
 		finally {
 			if (failure != null) {