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https://issues.apache.org/jira/browse/QPID-4574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13681283#comment-13681283
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Rajith Attapattu commented on QPID-4574:
----------------------------------------
Currently the following solution is being looked at
https://reviews.apache.org/r/10738/
> [JMS] Deadlock involving _failoverMutex and _messageDeliveryLock
> ----------------------------------------------------------------
>
> Key: QPID-4574
> URL: https://issues.apache.org/jira/browse/QPID-4574
> Project: Qpid
> Issue Type: Bug
> Components: Java Client
> Affects Versions: 0.14, 0.16, 0.18, 0.20
> Reporter: Rajith Attapattu
> Assignee: Rajith Attapattu
> Labels: deadlock
> Fix For: Future
>
> Attachments: Test_00782235.java
>
>
> This deadlock can manifest when a you have a producer sending messages inside
> an onMessage() call.
> This is a common enough pattern, and is used by intermediaries like Message
> Bridges, ESB's etc..
> "Dispatcher-0-Conn-1":
> at
> org.apache.qpid.client.BasicMessageProducer.send(BasicMessageProducer.java:309)
> - waiting to lock <0x00000000ecfd15a8> (a java.lang.Object)
> at Test_00782235$1.onMessage(Test_00782235.java:29)
> at
> org.apache.qpid.client.BasicMessageConsumer.notifyMessage(BasicMessageConsumer.java:751)
> at
> org.apache.qpid.client.BasicMessageConsumer_0_10.notifyMessage(BasicMessageConsumer_0_10.java:141)
> at
> org.apache.qpid.client.BasicMessageConsumer.notifyMessage(BasicMessageConsumer.java:725)
> at
> org.apache.qpid.client.BasicMessageConsumer_0_10.notifyMessage(BasicMessageConsumer_0_10.java:186)
> at
> org.apache.qpid.client.BasicMessageConsumer_0_10.notifyMessage(BasicMessageConsumer_0_10.java:54)
> at
> org.apache.qpid.client.AMQSession$Dispatcher.notifyConsumer(AMQSession.java:3479)
> at
> org.apache.qpid.client.AMQSession$Dispatcher.dispatchMessage(AMQSession.java:3418)
> - locked <0x00000000ecfd16c8> (a java.lang.Object)
> - locked <0x00000000ecfd16d8> (a java.lang.Object)
> at
> org.apache.qpid.client.AMQSession$Dispatcher.access$1000(AMQSession.java:3205)
> at org.apache.qpid.client.AMQSession.dispatch(AMQSession.java:3198)
> at
> org.apache.qpid.client.message.UnprocessedMessage.dispatch(UnprocessedMessage.java:54)
> at
> org.apache.qpid.client.AMQSession$Dispatcher.run(AMQSession.java:3341)
> at java.lang.Thread.run(Thread.java:679)
> "main":
> at
> org.apache.qpid.client.BasicMessageConsumer.close(BasicMessageConsumer.java:598)
> - waiting to lock <0x00000000ecfd16c8> (a java.lang.Object)
> - locked <0x00000000ecfd15a8> (a java.lang.Object)
> at
> org.apache.qpid.client.BasicMessageConsumer.close(BasicMessageConsumer.java:558)
> at Test_00782235.<init>(Test_00782235.java:62)
> at Test_00782235.main(Test_00782235.java:12)
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