[jboss-jira] [JBoss JIRA] (WFLY-10509) NPE in server log when Artemis trace logging is enabled

[Michal Toth (JIRA)]

Michal Toth created WFLY-10509:
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             Summary: NPE in server log when Artemis trace logging is enabled
                 Key: WFLY-10509
                 URL: https://issues.jboss.org/browse/WFLY-10509
             Project: WildFly
          Issue Type: Bug
          Components: JMS
            Reporter: Michal Toth
            Assignee: Jeff Mesnil


Artemis master (95b7438e7a7661692d5b78be944d05e254df9067) contains issue when trace logging is enabled.

If large message is sent and Artemis trace logs are enabled then following NPE is logged in server log: 

{code}
09:42:14,005 WARN  [org.apache.activemq.artemis.core.message.impl.CoreMessage] (default I/O-9) Error creating String for message: : java.lang.NullPointerException
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.encode(CoreMessage.java:584)
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.checkEncode(CoreMessage.java:248)
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.getEncodeSize(CoreMessage.java:647)
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.getPersistentSize(CoreMessage.java:1157)
	at org.apache.activemq.artemis.core.message.impl.CoreMessage.toString(CoreMessage.java:1132)
	at java.lang.String.valueOf(String.java:2994) [rt.jar:1.8.0_131]
	at java.lang.StringBuilder.append(StringBuilder.java:131) [rt.jar:1.8.0_131]
	at org.apache.activemq.artemis.core.protocol.core.impl.wireformat.SessionSendLargeMessage.toString(SessionSendLargeMessage.java:73)
	at java.lang.String.valueOf(String.java:2994) [rt.jar:1.8.0_131]
	at java.lang.StringBuilder.append(StringBuilder.java:131) [rt.jar:1.8.0_131]
	at org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl.bufferReceived(RemotingConnectionImpl.java:368)
	at org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl$DelegatingBufferHandler.bufferReceived(RemotingServiceImpl.java:646)
	at org.apache.activemq.artemis.core.remoting.impl.netty.ActiveMQChannelHandler.channelRead(ActiveMQChannelHandler.java:68)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310)
	at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:297)
	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:413)
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
	at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1359)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:935)
	at org.xnio.netty.transport.AbstractXnioSocketChannel$ReadListener.handleEvent(AbstractXnioSocketChannel.java:443)
	at org.xnio.netty.transport.AbstractXnioSocketChannel$ReadListener.handleEvent(AbstractXnioSocketChannel.java:379)
	at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92) [xnio-api-3.6.1.Final.jar:3.6.1.Final]
	at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66) [xnio-api-3.6.1.Final.jar:3.6.1.Final]
	at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:89) [xnio-nio-3.6.1.Final.jar:3.6.1.Final]
	at org.xnio.nio.WorkerThread.run(WorkerThread.java:591) [xnio-nio-3.6.1.Final.jar:3.6.1.Final]
{code}

Currently it appears that it has not impact on functionality but NPEs are flooding server log.



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