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From "Bruce Snyder" <>
Subject Re: (hopefully) simple JMS question
Date Thu, 07 Aug 2008 19:10:12 GMT
On Thu, Aug 7, 2008 at 12:41 PM, David Crisp <> wrote:
> Hi,
>     I have a quick question regarding the JMS spec and I was hoping to
> solicit
> feedback from our merry band of domain experts.
>     Given that Sessions are not thread-safe, if I'm creating a little
> client-side
> API that gets hit by a myriad of threads and do not want to synchronize
> the API points,  I need to create a new Session on the stack for each
> thread context.   Destinations ARE thread safe, but are created via a
> specific Session instance.   Given this, can I assume that destination
> instances
> remain valid even after the Session that created them is destroyed?   I've
> looked at
> the JMS spec and it seems fairly silent on this point.
> Thanks in advance,
> D.
> P.s.  I'm assuming this must be true given that Destination creation can't
> be cheap since it requires communication with the broker.

Yes, once a destination has been created, it will exist on the broker
even if the session that created it is destroyed. This is because the
session is simply used to interact with the broker and send it

perl -e 'print unpack("u30","D0G)U8V4\@4VYY9&5R\"F)R=6-E+G-N>61E<D\!G;6%I;\"YC;VT*"

Apache ActiveMQ -
Apache Camel -
Apache ServiceMix -


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