[jboss-user] [JBoss Messaging] - Negative MessageCount

Yong Hao Gao do-not-reply at jboss.com
Thu Aug 26 20:04:22 EDT 2010

Yong Hao Gao [http://community.jboss.org/people/gaohoward] replied to the discussion

"Negative MessageCount"

To view the discussion, visit: http://community.jboss.org/message/559267#559267

Yes it's possible to be negative.

The reason for this is that the message delivering and acknowledging are synchronous. A messages is being delivered to a consumer in a thread and the counter is updated in another. So their is a chance that a message ack comes bebore the counter is added.



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