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https://issues.apache.org/activemq/browse/AMQ-1983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=46638#action_46638
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Hans Bausewein commented on AMQ-1983:
-------------------------------------
I've run another test with our real application with a single JBoss host and a
pure master/slave ActiveMQ setup.
See the ERRORs in "activemq-master.log.gz" and "activemq-slave.log.gz"
Logged at DEBUG level, so I hope it's clear enough.
I think the case matches quite closely to the test code in this issue, though
the real application does a lot more.
> Async error occurred - Slave broker out of sync with master
> -----------------------------------------------------------
>
> Key: AMQ-1983
> URL: https://issues.apache.org/activemq/browse/AMQ-1983
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.2.0
> Environment: java version "1.6.0_07"
> Client is a JBoss 4.2.3.GA cluster using the ActiveMQ resource adapter (from
> RC2)
> ActiveMQ 5.3.0 rev 706043 in pure master/slave setup
> Reporter: Hans Bausewein
> Attachments: activemq-master.log.gz, activemq-slave.log.gz,
> activemqjee-0.0.8-src.tar.gz
>
>
> I have tried to reduce the real-life problem to something smaller. See
> activemqjee-0.0.8.tar.gz
> It's a MDB that forwards a message to another queue.
> What I did:
> - send some messages to queue.A (I did 10 at a time, using the webconsole
> setting Persistent Delivery)
> - the MDB sends each message to queue.B
> - if a reply queue was set in the message, the MDB sends a reply
> On queue.B is an MDB that just received and logs the message.
> Logged on the master:
> {code}
> 2008-10-19 18:39:54,114 [127.0.0.1:43972] DEBUG AMQMessageStore
> - Journalled transacted message add for:
> ID:selten.cluster-40744-1224434310420-0:2:4:1:1, at: offset = 90045, file
> = 1, size = 429, type = 1
> ......
> 2008-10-19 18:39:54,278 [127.0.0.1:43972] DEBUG AMQMessageStore
> - Transacted message add commit for:
> ID:selten.cluster-40744-1224434310420-0:2:4:1:1, at: offset = 90045, file
> = 1, size = 429, type = 1
> ......
> 2008-10-19 18:39:54,305 [127.0.0.1:43962] ERROR MasterBroker
> - Slave Failed
> javax.jms.JMSException: Unmatched acknowledege: MessageAck {commandId = 1031,
> responseRequired = true, ackType = 2,
> consumerId = ID:selten.cluster-40744-1224434310420-0:0:-1:2, firstMessageId
> =
> ID:selten.cluster-40744-1224434310420-0:2:4:1:1, lastMessageId =
> ID:selten.cluster-40744-1224434310420-0:2:4:1:1,
> destination = queue://queue.B,
> transactionId =
> XID:131075:312d2d32613062356562303a613535653a34386662363236643a313135:2d32613062356562303a613535653a34386662363236643a313136,
> messageCount = 1}; Could not find Message-ID
> ID:selten.cluster-40744-1224434310420-0:2:4:1:1 in dispatched-list (start of
> ack)
> at
> org.apache.activemq.broker.region.PrefetchSubscription.assertAckMatchesDispatched(PrefetchSubscription.java:438)
> at
> org.apache.activemq.broker.region.PrefetchSubscription.acknowledge(PrefetchSubscription.java:188)
> at
> org.apache.activemq.broker.region.AbstractRegion.acknowledge(AbstractRegion.java:373)
> at
> org.apache.activemq.broker.region.RegionBroker.acknowledge(RegionBroker.java:462)
> {code}
> Logged on the slave:
> {code}
> 2008-10-19 18:39:54,112 [.cluster#1] DEBUG AMQMessageStore -
> Journalled transacted message add for:
> ID:selten.cluster-40744-1224434310420-0:2:4:1:1, at: offset = 90045, file =
> 1, size = 429, type = 1
> ......
> 2008-10-19 18:39:54,241 [.cluster#1] DEBUG AMQMessageStore -
> Transacted message add commit for:
> ID:selten.cluster-40744-1224434310420-0:2:4:1:1, at: offset = 90045, file =
> 1, size = 429, type = 1
> ......
> 2008-10-19 18:39:54,288 [.cluster#1] ERROR Service -
> Async error occurred: javax.jms.JMSException: Slave broker out of sync with
> master:
> Dispatched message (ID:selten.cluster-40744-1224434310420-0:2:4:1:1) was
> not in the pending list for queue.B
> javax.jms.JMSException: Slave broker out of sync with master: Dispatched
> message
> (ID:selten.cluster-40744-1224434310420-0:2:4:1:1) was not in the pending list
> for queue.B
> at
> org.apache.activemq.broker.region.PrefetchSubscription.processMessageDispatchNotification(PrefetchSubscription.java:175)
> at
> org.apache.activemq.broker.region.AbstractRegion.processDispatchNotification(AbstractRegion.java:414)
> at
> org.apache.activemq.broker.region.RegionBroker.processDispatchNotification(RegionBroker.java:585)
> {code}
> I could not consistently reproduce it with a single JBoss server running.
> I've sent a few 100 messages without any problem.
> I've tested both 5.2.0-RC2 and 5.3.0-SNAPSHOT (rev 706043).
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