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List:       activemq-users
Subject:    Re: wrong message
From:       Timothy Bish <tabish121 () gmail ! com>
Date:       2010-03-30 17:41:16
Message-ID: 1269970876.2551.1.camel () localhost
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On Tue, 2010-03-30 at 12:31 -0400, Gabe Westmaas wrote:
> Below is a slightly edited version of a tcp dump on the activemq side of a \
> transaction between an NMS 1.2 client and ActiveMQ 5.3. 
> MESSAGE
> message-id:ID:arch3.bmdc-35562-1269288301113-2:1918:-1:1:14
> 
> BEGIN
> transaction:ID:IAD2DEPLOY01-56247-634052078212143799-1:885:1
> message-id:ID:arch3.bmdc-35562-1269288301113-2:1918:0:1:14
> COMMIT
> receipt:8
> transaction:ID:IAD2DEPLOY01-56247-634052078212143799-1:885:1
> 
> ERROR
> message:Unexpected ACK received for message-id \
> [ID:arch3.bmdc-35562-1269288301113-2:1918:0:1:14] 
> The observed behavior is that NMS clients cannot read any messages from the queue, \
> but other clients can read just fine.  If the server is restarted (with persistent \
> messages) then the NMS client can consume without issue. 
> I notice that one part of the message ID (the session ID of the producer ID - \
> thanks Dejan!) changes from -1 to 0 for the transaction and therefore the \
> acknowledgement. 
> Does anyone have any experience with this or know where this problem might be \
> caused? 
> We see it fairly regularly, but cannot reproduce it on command.
> 
> Thanks,
> Gabe
> 

Without a way to reproduce it its hard to say what the cause could be,
can you enable logging in the NMS client at the DEBUG level and submit
the logs from around the time this problem occurs?  

Regards


-- 
Tim Bish

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