Malli,
The JMS Store is the place where WebLogic stores persisted messages.
Messages may either be designated as persistent (guaranteed to be delivered at least once, and not considered sent until it has been safely written to the JMS Store), or non-persistent (also guaranteed to be written once
unless there is a system failure, in which case the message may be lost).
A non-persistent message will not be redelivered once it has been acknowledged. A persistent message, however, will be saved to the JMS store you set up in the Admin Console (either a file, or a
JDBC database), making redelivery possible.
If you do not assign a persistent store for a JMS server, persistent messaging is not supported on that server (all messages will be deleted).
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Joe McGuire
Sun Certified
Java™ 2 Programmer, BEA WLS Certified Developer