[jboss-user] [JBoss Messaging] - False negatives and jms

[sanne]

Hi all,

I'm trying to get a clear picture of JMS messaging usage in the context of TCP/IP.

Durable messaging was designed with guaranteed delivery in mind. If a remote client delivers a durable message to theJMS server, then the client be sure the message will reach its destination if there are no exceptions during the posting of the message by the client to the server.

But if I am correct there is always a slight margin for error. This window appears after the message has been committed to the store and before the client returns from communication. 

Is it possible that a client receives an error while the message was actually delivered?This would be a false negative. False positives are unaccpetable in the context of queueing, but in avoiding false positives the chance of false negatives remains/increases.

Is this correct?  

Best regards,

Sanne

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