903 SessionEJB AM: pooled connection lost for new txn

Hello,
Our environment: JDev 9.0.3.2 / OC4J 9.0.3 / Oracle 9.0.1.1.
JClient application works with Application module deployed as Session EJB, 'ejb-location' of the datasource is used.
CASE:
After new transaction is created in OC4J (commit/rollback from client), next connection-oriented action (jdbc command in OC4J) makes request on new connection from the datasource. Currently opened connection for the AM becomes lost.
Reproducing: test AM EJB (scott.dept), commit/rollback changes and re-query from database. OC4J should be running with -Dtransaction.debug=true for getting a trace.
Such a behavior makes troubles for JClient OLTP application where session timeouts are disabled - db-sessions number is constantly increased. Special efforts (not so easy) should be done in the connection pool to avoid this increasing.
I'd like to know if this's a desired logic (and I missed something in configuration) or just a current error ?
If latter, could we hope that this will be fixed in JDev 9.0.3.3 ?
Thanks for any comment.

repost

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Date: Mon, 1 Apr 2013 01:25:24 -0700
From: [email protected]
To: [email protected]
Subject: Safari shows "The network connection was lost" for all flv files on the internet. Firefox plays all
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903 SessionEJB AM: pooled connection lost for new txn

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