[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
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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.
Howard
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