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From "Glaucio Melo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ARTEMIS-264) NPE from Netty at Pub Suc tests with Topics
Date Mon, 19 Oct 2015 14:02:05 GMT
Glaucio Melo created ARTEMIS-264:
------------------------------------

             Summary: NPE from Netty at Pub Suc tests with Topics
                 Key: ARTEMIS-264
                 URL: https://issues.apache.org/jira/browse/ARTEMIS-264
             Project: ActiveMQ Artemis
          Issue Type: Bug
          Components: Broker
    Affects Versions: 1.1.1
            Reporter: Glaucio Melo


I was performing some tests using as basis the JMeter samples at

https://github.com/apache/activemq-artemis/tree/master/examples/perf/jmeter

And I've got an exception message from the client consumer:

Oct 16, 2015 6:24:12 PM org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl$Runner
run
ERROR: AMQ214000: Failed to call onMessage
java.lang.NullPointerException
	at io.netty.buffer.PoolChunk.initBufWithSubpage(PoolChunk.java:381)
	at io.netty.buffer.PoolChunk.initBufWithSubpage(PoolChunk.java:369)
	at io.netty.buffer.PoolArena.allocate(PoolArena.java:194)
	at io.netty.buffer.PoolArena.allocate(PoolArena.java:132)
	at io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:271)
	at io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:155)
	at io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:146)
	at org.apache.activemq.artemis.core.remoting.impl.netty.PartialPooledByteBufAllocator.directBuffer(PartialPooledByteBufAllocator.java:91)
	at org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnection.createTransportBuffer(NettyConnection.java:154)
	at org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.createTransportBuffer(AbstractRemotingConnection.java:156)
	at org.apache.activemq.artemis.core.protocol.core.impl.PacketImpl.encode(PacketImpl.java:267)
	at org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.send(ChannelImpl.java:225)
	at org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.sendBatched(ChannelImpl.java:205)
	at org.apache.activemq.artemis.core.protocol.core.impl.ActiveMQSessionContext.sendACK(ActiveMQSessionContext.java:400)
	at org.apache.activemq.artemis.core.client.impl.ClientSessionImpl.acknowledge(ClientSessionImpl.java:672)
	at org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.doAck(ClientConsumerImpl.java:1035)
	at org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.acknowledge(ClientConsumerImpl.java:702)
	at org.apache.activemq.artemis.core.client.impl.ClientMessageImpl.acknowledge(ClientMessageImpl.java:96)
	at org.apache.activemq.artemis.core.client.impl.ClientMessageImpl.acknowledge(ClientMessageImpl.java:38)
	at org.apache.activemq.artemis.jms.client.JMSMessageListenerWrapper.onMessage(JMSMessageListenerWrapper.java:120)
	at org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.callOnMessage(ClientConsumerImpl.java:932)
	at org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl.access$400(ClientConsumerImpl.java:47)
	at org.apache.activemq.artemis.core.client.impl.ClientConsumerImpl$Runner.run(ClientConsumerImpl.java:1045)
	at org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$1.run(OrderedExecutorFactory.java:94)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

This error only happened at my tests only one time, not sure on how to reproduce it. I was
looking for a similar error from netty project and I've found this link:

https://github.com/netty/netty/issues/4198

>From the discussion at this link, it seems that the guy who reports the issue said that
he was using netty incorrectly (not sure exactly what he meant about that). I'm creating this
ticket because it's possible to get something similar -  by using netty library unexpectedly.

Thanks,

Glaucio Melo



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