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https://issues.apache.org/jira/browse/AMQ-7353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Tully resolved AMQ-7353.
-----------------------------
Resolution: Fixed
> Rare NPE during marshal, killing async dispatch task and potentially leaving
> un-marshal cache invalid
> -----------------------------------------------------------------------------------------------------
>
> Key: AMQ-7353
> URL: https://issues.apache.org/jira/browse/AMQ-7353
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker, Transport
> Affects Versions: 5.15.0
> Reporter: Gary Tully
> Assignee: Gary Tully
> Priority: Major
> Fix For: 5.16.0
>
>
> On occasion the following NPE occurs:
> {code}
> Error in thread 'ActiveMQ BrokerService[..] Task-243' Class
> org.apache.activemq.thread.TaskRunnerFactory$1$1
> Method uncaughtException
> Throwable java.lang.NullPointerException
> at java.lang.System.arraycopy(Native Method)
> at
> org.apache.activemq.transport.nio.NIOOutputStream.write(NIOOutputStream.java:113)
> at java.io.DataOutputStream.write(DataOutputStream.java:107)
> at
> org.apache.activemq.openwire.v10.BaseDataStreamMarshaller.tightMarshalByteSequence2(BaseDataStreamMarshaller.java:431)
> at
> org.apache.activemq.openwire.v10.MessageMarshaller.tightMarshal2(MessageMarshaller.java:183)
> at
> org.apache.activemq.openwire.v10.ActiveMQMessageMarshaller.tightMarshal2(ActiveMQMessageMarshaller.java:89)
> at
> org.apache.activemq.openwire.v10.ActiveMQBytesMessageMarshaller.tightMarshal2(ActiveMQBytesMessageMarshaller.java:89)
> at
> org.apache.activemq.openwire.OpenWireFormat.tightMarshalNestedObject2(OpenWireFormat.java:417)
> at
> org.apache.activemq.openwire.v10.BaseDataStreamMarshaller.tightMarshalNestedObject2(BaseDataStreamMarshaller.java:135)
> at
> org.apache.activemq.openwire.v10.MessageDispatchMarshaller.tightMarshal2(MessageDispatchMarshaller.java:105)
> at
> org.apache.activemq.openwire.OpenWireFormat.marshal(OpenWireFormat.java:227)
> at
> org.apache.activemq.transport.tcp.TcpTransport.oneway(TcpTransport.java:175)
> at
> org.apache.activemq.transport.AbstractInactivityMonitor.doOnewaySend(AbstractInactivityMonitor.java:335)
> at
> org.apache.activemq.transport.AbstractInactivityMonitor.oneway(AbstractInactivityMonitor.java:317)
> at
> org.apache.activemq.transport.TransportFilter.oneway(TransportFilter.java:85)
> at
> org.apache.activemq.transport.WireFormatNegotiator.oneway(WireFormatNegotiator.java:116)
> at
> org.apache.activemq.transport.MutexTransport.oneway(MutexTransport.java:68)
> at
> org.apache.activemq.broker.TransportConnection.dispatch(TransportConnection.java:1456)
> at
> org.apache.activemq.broker.TransportConnection.processDispatch(TransportConnection.java:966)
> at
> org.apache.activemq.broker.TransportConnection.iterate(TransportConnection.java:1016)
> at
> org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:133)
> at
> org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:48)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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