MessagingAnnotationPostProcessor now requires the class-level @MessageEndpoint annotation.

org.springframework.integration/src/main/java/org/springframework/integration/config/annotation/MessagingAnnotationPostProcessor.java

@@ -82,6 +82,9 @@ public class MessagingAnnotationPostProcessor implements BeanPostProcessor, Init
 		Object originalBean = bean;
 		Class<?> beanClass = this.getBeanClass(bean);
 		MessageEndpoint endpointAnnotation = AnnotationUtils.findAnnotation(beanClass, MessageEndpoint.class);
+		if (endpointAnnotation == null) {
+			return bean;
+		}
 		for (Map.Entry<Class<?>, AnnotationMethodPostProcessor> entry : this.postProcessors.entrySet()) {
 			AnnotationMethodPostProcessor postProcessor = entry.getValue();
 			bean = postProcessor.postProcess(bean, beanName, beanClass);

org.springframework.integration/src/test/java/org/springframework/integration/config/annotation/MessagingAnnotationPostProcessorTests.java

@@ -425,6 +425,7 @@ public class MessagingAnnotationPostProcessorTests {
 	}
 
 
+	@MessageEndpoint
 	@ChannelAdapter("testChannel")
 	private static class TargetAnnotationTestBean {
 
@@ -525,6 +526,7 @@ public class MessagingAnnotationPostProcessorTests {
 	}
 
 
+	@MessageEndpoint
 	private static class HandlerAnnotatedBean {
 
 		@Handler
@@ -542,6 +544,7 @@ public class MessagingAnnotationPostProcessorTests {
 	}
 
 
+	@MessageEndpoint
 	private static class CustomHandlerAnnotatedBean {
 
 		@CustomHandler
@@ -552,6 +555,7 @@ public class MessagingAnnotationPostProcessorTests {
 	}
 
 
+	@MessageEndpoint
 	@ChannelAdapter("testChannel")
 	@Poller(period = 1000, initialDelay = 0, maxMessagesPerPoll = 1)
 	private static class ChannelAdapterAnnotationTestBean {
@@ -563,6 +567,7 @@ public class MessagingAnnotationPostProcessorTests {
 	}
 
 
+	@MessageEndpoint
 	private static class HandlerWithTransformers {
 
 		@Transformer

org.springframework.integration/src/test/java/org/springframework/integration/config/annotation/SimpleHandlerTestBean.java

@@ -17,10 +17,12 @@
 package org.springframework.integration.config.annotation;
 
 import org.springframework.integration.annotation.Handler;
+import org.springframework.integration.annotation.MessageEndpoint;
 
 /**
  * @author Mark Fisher
  */
+@MessageEndpoint
 public class SimpleHandlerTestBean {
 
 	@Handler