Glassfish uses Open Message Queue as its default messaging provider.
As you have discovered, there's a directory called imq under your glassfish installation which contains a complete Open Message Queue installation. This includes client jars that allow you to write your own Java clients that don't need to run in Glassfish. Is this what you did?
When you say "i can cannot access topic" did you mean you couldn't lookup a topic in JNDI, or that you couldn't read any messages from the topic?
Nigel
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