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https://issues.apache.org/jira/browse/QPID-8028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16245852#comment-16245852
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Keith Wall commented on QPID-8028:
----------------------------------
This was actually fixed for v7.0.0 by QPID-7646.
> [Broker-J][AMQP 0-8...0-9-1] Commit on nontransacted session causes broker to
> crash
> -----------------------------------------------------------------------------------
>
> Key: QPID-8028
> URL: https://issues.apache.org/jira/browse/QPID-8028
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: qpid-java-6.1.4
> Reporter: Alex Rudyy
> Fix For: qpid-java-broker-7.0.0
>
>
> NPE is thrown on attempt to commit a transaction on non-transacted session.
> The broker crashes with the following stacktrace
> {noformat}
> ########################################################################
> #
> # Unhandled Exception java.lang.NullPointerException in Thread
> IO-/127.0.0.1:52584
> #
> # Exiting
> #
> ########################################################################
> java.lang.NullPointerException
> at
> org.apache.qpid.bytebuffer.QpidByteBuffer.duplicate(QpidByteBuffer.java:416)
> at
> org.apache.qpid.server.protocol.v0_8.CachedFrame.writePayload(CachedFrame.java:53)
> at
> org.apache.qpid.server.protocol.v0_8.AMQPConnection_0_8Impl.writeFrame(AMQPConnection_0_8Impl.java:382)
> at
> org.apache.qpid.server.protocol.v0_8.AMQChannel$9.run(AMQChannel.java:3658)
> at
> org.apache.qpid.server.txn.AsyncAutoCommitTransaction$5.postCommit(AsyncAutoCommitTransaction.java:352)
> at
> org.apache.qpid.server.txn.AsyncAutoCommitTransaction.addFuture(AsyncAutoCommitTransaction.java:129)
> at
> org.apache.qpid.server.txn.AsyncAutoCommitTransaction.commit(AsyncAutoCommitTransaction.java:348)
> at
> org.apache.qpid.server.protocol.v0_8.AMQChannel.commit(AMQChannel.java:1278)
> at
> org.apache.qpid.server.protocol.v0_8.AMQChannel.receiveTxCommit(AMQChannel.java:3652)
> at
> org.apache.qpid.codec.ServerDecoder.processMethod(ServerDecoder.java:228)
> at org.apache.qpid.codec.AMQDecoder.processFrame(AMQDecoder.java:196)
> at
> org.apache.qpid.server.protocol.v0_8.BrokerDecoder.doProcessFrame(BrokerDecoder.java:143)
> at
> org.apache.qpid.server.protocol.v0_8.BrokerDecoder.processFrame(BrokerDecoder.java:67)
> at org.apache.qpid.codec.AMQDecoder.processInput(AMQDecoder.java:178)
> at
> org.apache.qpid.server.protocol.v0_8.BrokerDecoder.access$000(BrokerDecoder.java:36)
> at
> org.apache.qpid.server.protocol.v0_8.BrokerDecoder$1.run(BrokerDecoder.java:106)
> at
> org.apache.qpid.server.protocol.v0_8.BrokerDecoder$1.run(BrokerDecoder.java:99)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.apache.qpid.server.protocol.v0_8.BrokerDecoder.processAMQPFrames(BrokerDecoder.java:98)
> at org.apache.qpid.codec.AMQDecoder.decode(AMQDecoder.java:111)
> at
> org.apache.qpid.codec.ServerDecoder.decodeBuffer(ServerDecoder.java:43)
> at
> org.apache.qpid.server.protocol.v0_8.AMQPConnection_0_8Impl$1.run(AMQPConnection_0_8Impl.java:253)
> at
> org.apache.qpid.server.protocol.v0_8.AMQPConnection_0_8Impl$1.run(AMQPConnection_0_8Impl.java:245)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.apache.qpid.server.protocol.v0_8.AMQPConnection_0_8Impl.received(AMQPConnection_0_8Impl.java:244)
> at
> org.apache.qpid.server.transport.MultiVersionProtocolEngine.received(MultiVersionProtocolEngine.java:143)
> at
> org.apache.qpid.server.transport.NonBlockingConnection.processAmqpData(NonBlockingConnection.java:624)
> at
> org.apache.qpid.server.transport.NonBlockingConnectionPlainDelegate.processData(NonBlockingConnectionPlainDelegate.java:58)
> at
> org.apache.qpid.server.transport.NonBlockingConnection.doRead(NonBlockingConnection.java:512)
> at
> org.apache.qpid.server.transport.NonBlockingConnection.doWork(NonBlockingConnection.java:285)
> at
> org.apache.qpid.server.transport.NetworkConnectionScheduler.processConnection(NetworkConnectionScheduler.java:130)
> at
> org.apache.qpid.server.transport.SelectorThread$ConnectionProcessor.processConnection(SelectorThread.java:563)
> at
> org.apache.qpid.server.transport.SelectorThread$SelectionTask.performSelect(SelectorThread.java:354)
> at
> org.apache.qpid.server.transport.SelectorThread$SelectionTask.run(SelectorThread.java:97)
> at
> org.apache.qpid.server.transport.SelectorThread.run(SelectorThread.java:521)
> 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)
> {noformat}
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