how to get an exist session

[William Guo]

Hello All,
   I use session in a service as following:
   Session session =
MessageContext.getCurrentContext().getSession();
   session.set("test", "Hello World!");
   
   Then in another service, I want to find out the
session and get the object "Hello World!" in it.
   How can I find out the session?
   if I use the following setense:
        Session session =
MessageContext.getCurrentContext().getSession();
   then I find it produce a new session.
   
   I looked throuth some old message in the mail list
and still don't know the answer.

   Thanks in advance!
   William Guo

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