Polish logging

Author: rstoyanchev

spring-messaging/src/main/java/org/springframework/messaging/simp/handler/AbstractBrokerMessageHandler.java

@@ -141,7 +141,7 @@ public final void handleMessage(Message<?> message) {
 		}
 
 		if (logger.isTraceEnabled()) {
-			logger.trace("Message " + message);
+			logger.trace("Handling message " + message);
 		}
 
 		handleMessageInternal(message);

spring-messaging/src/main/java/org/springframework/messaging/simp/stomp/StompBrokerRelayMessageHandler.java

@@ -305,7 +305,7 @@ protected void connectionClosed() {
 
 		private void readStompFrame(Message<byte[]> message) {
 			if (logger.isTraceEnabled()) {
-				logger.trace("Reading message " + message);
+				logger.trace("Reading message for sessionId=" + sessionId + ", " + message);
 			}
 
 			StompHeaderAccessor headers = StompHeaderAccessor.wrap(message);

spring-messaging/src/test/resources/log4j.xml

@@ -7,7 +7,7 @@
 	<appender name="console" class="org.apache.log4j.ConsoleAppender">
 		<param name="Target" value="System.out" />
 		<layout class="org.apache.log4j.PatternLayout">
-			<param name="ConversionPattern" value="%-5p: %c - %m%n" />
+			<param name="ConversionPattern" value="%d{HH:mm:ss} [%t] %c{1} - %m%n" />
 		</layout>
 	</appender>