Which version of ActiveMQ ?
On 25 Sep 2009, at 01:50, penguinone wrote:



We set up our active MQ to fail over (failover:// (host1:61616,host2:61616)).

I'm getting these fairly frequently, and I've only seen them related to memory in other people's posts. Unlikely to be this case as I'm operating in
a low volume test environment. Any leads as to what else might be the
problem?

WARN  Service                        - Async error occurred:
javax.jms.JMSException: Unmatched acknowledege: MessageAck {commandId = 71,
responseRequired = false, ackType = 2, consumerId =
ID:domU-12-31-38-01-89-01-48240-1253838130518-0:55:1:1, firstMessageId =
null, lastMessageId =
ID:domU-12-31-38-01-89-01-48240-1253838130518-0:68:1:1:1, destination =
queue://queue.MOBLAH, transactionId =
TX:ID:domU-12-31-38-01-89-01-48240-1253838130518-0:55:22, messageCount = 3};
Could not find Message-ID
ID:domU-12-31-38-01-89-01-48240-1253838130518-0:68:1:1:1 in dispatched-list
(end of ack)
javax.jms.JMSException: Unmatched acknowledege: MessageAck {commandId = 71,
responseRequired = false, ackType = 2, consumerId =
ID:domU-12-31-38-01-89-01-48240-1253838130518-0:55:1:1, firstMessageId =
null, lastMessageId =
ID:domU-12-31-38-01-89-01-48240-1253838130518-0:68:1:1:1, destination =
queue://queue.MOBLAH, transactionId =
TX:ID:domU-12-31-38-01-89-01-48240-1253838130518-0:55:22, messageCount = 3};
Could not find Message-ID
ID:domU-12-31-38-01-89-01-48240-1253838130518-0:68:1:1:1 in dispatched-list
(end of ack)
       at
org .apache .activemq .broker .region .PrefetchSubscription .assertAckMatchesDispatched(PrefetchSubscription.java:444)
       at
org .apache .activemq .broker .region.PrefetchSubscription.acknowledge(PrefetchSubscription.java: 208)
       at
org .apache .activemq .broker.region.AbstractRegion.acknowledge(AbstractRegion.java:377)
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