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From mickhayes <>
Subject Re: Durable Topic Subscribers
Date Tue, 22 May 2012 15:45:37 GMT
You can decide to not acknowledge. But then you need some way expire the
messages off the broker sooner or later. 

>From the JMS 1.1 spec: "JMS retains a record of this durable subscription
and insures that
all messages from the Topic’s publishers are retained until either they are
acknowledged by this durable subscriber or they have expired."

6.12 "Recovery and Redelivery" defines the standard behaviour in this area.

You should understand that choosing to never acknowledge a message, while
possible, is not part of the pub/sub paradigm. 

Michael Hayes B.Sc. (NUI), M.Sc. (DCU), SCSA SCNA 

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