Fine-tuned JCA MessageEndpoint exception logging and propagation

Issue: SPR-16717

Author: jhoeller

spring-jms/src/main/java/org/springframework/jms/listener/endpoint/JmsMessageEndpointFactory.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.
@@ -84,6 +84,7 @@ private class JmsMessageEndpoint extends AbstractMessageEndpoint implements Mess
 
 		@Override
 		public void onMessage(Message message) {
+			Throwable endpointEx = null;
 			boolean applyDeliveryCalls = !hasBeforeDeliveryBeenCalled();
 			if (applyDeliveryCalls) {
 				try {
@@ -97,6 +98,7 @@ public void onMessage(Message message) {
 				getMessageListener().onMessage(message);
 			}
 			catch (RuntimeException | Error ex) {
+				endpointEx = ex;
 				onEndpointException(ex);
 				throw ex;
 			}
@@ -106,7 +108,9 @@ public void onMessage(Message message) {
 						afterDelivery();
 					}
 					catch (ResourceException ex) {
-						throw new JmsResourceException(ex);
+						if (endpointEx == null) {
+							throw new JmsResourceException(ex);
+						}
 					}
 				}
 			}

spring-tx/src/main/java/org/springframework/jca/endpoint/AbstractMessageEndpointFactory.java

@@ -269,9 +269,10 @@ protected final boolean hasBeforeDeliveryBeenCalled() {
 		 * endpoint throwing an exception.
 		 * @param ex the exception thrown from the concrete endpoint
 		 */
-		protected final void onEndpointException(Throwable ex) {
+		protected void onEndpointException(Throwable ex) {
 			Assert.state(this.transactionDelegate != null, "Not initialized");
 			this.transactionDelegate.setRollbackOnly();
+			logger.debug("Transaction marked as rollback-only after endpoint exception", ex);
 		}
 
 		/**
@@ -291,6 +292,7 @@ public void afterDelivery() throws ResourceException {
 				this.transactionDelegate.endTransaction();
 			}
 			catch (Throwable ex) {
+				logger.warn("Failed to complete transaction after endpoint delivery", ex);
 				throw new ApplicationServerInternalException("Failed to complete transaction", ex);
 			}
 		}
@@ -303,7 +305,7 @@ public void release() {
 					this.transactionDelegate.endTransaction();
 				}
 				catch (Throwable ex) {
-					logger.error("Could not complete unfinished transaction on endpoint release", ex);
+					logger.warn("Could not complete unfinished transaction on endpoint release", ex);
 				}
 			}
 		}

spring-tx/src/main/java/org/springframework/jca/endpoint/GenericMessageEndpointFactory.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.
@@ -108,24 +108,21 @@ private class GenericMessageEndpoint extends AbstractMessageEndpoint implements
 
 		@Override
 		public Object invoke(MethodInvocation methodInvocation) throws Throwable {
+			Throwable endpointEx = null;
 			boolean applyDeliveryCalls = !hasBeforeDeliveryBeenCalled();
 			if (applyDeliveryCalls) {
 				try {
 					beforeDelivery(null);
 				}
 				catch (ResourceException ex) {
-					if (ReflectionUtils.declaresException(methodInvocation.getMethod(), ex.getClass())) {
-						throw ex;
-					}
-					else {
-						throw new InternalResourceException(ex);
-					}
+					throw adaptExceptionIfNecessary(methodInvocation, ex);
 				}
 			}
 			try {
 				return methodInvocation.proceed();
 			}
 			catch (Throwable ex) {
+				endpointEx = ex;
 				onEndpointException(ex);
 				throw ex;
 			}
@@ -135,17 +132,23 @@ public Object invoke(MethodInvocation methodInvocation) throws Throwable {
 						afterDelivery();
 					}
 					catch (ResourceException ex) {
-						if (ReflectionUtils.declaresException(methodInvocation.getMethod(), ex.getClass())) {
-							throw ex;
-						}
-						else {
-							throw new InternalResourceException(ex);
+						if (endpointEx == null) {
+							throw adaptExceptionIfNecessary(methodInvocation, ex);
 						}
 					}
 				}
 			}
 		}
 
+		private Exception adaptExceptionIfNecessary(MethodInvocation methodInvocation, ResourceException ex) {
+			if (ReflectionUtils.declaresException(methodInvocation.getMethod(), ex.getClass())) {
+				return ex;
+			}
+			else {
+				return new InternalResourceException(ex);
+			}
+		}
+
 		@Override
 		protected ClassLoader getEndpointClassLoader() {
 			return getMessageListener().getClass().getClassLoader();
@@ -164,7 +167,7 @@ protected ClassLoader getEndpointClassLoader() {
 	@SuppressWarnings("serial")
 	public static class InternalResourceException extends RuntimeException {
 
-		protected InternalResourceException(ResourceException cause) {
+		public InternalResourceException(ResourceException cause) {
 			super(cause);
 		}
 	}