How to update Data Services (ALDSP 2.5) from WebLogic Server 9.2 correctly?

Hi,
I need to update some physical data service in ALDSP 2.5 on WLS 8.1 SP6 (8.1.6) via Static Mediator API from WebLogic Server 9.2 MP2 (9.2.2) application. I have reviewed the article about interoperability of ALDSP 2.5 and WLS 9 here:
http://edocs.bea.com/aldsp/docs25/appdev/ejbclt.html#wp1090900
Firstly, I had a problems with the interconnection between 9.2 client and ALDSP 2.5 due to some missed methods/classes. Finally, I've added the following libs to my WLS 9.2.2 pre-classpath in such an order:
MyDSPProject-ld-client.jar (built with Ant script using XmlBeans 2.0)
wlsdo.jar (from ALDSP 2.5)
xbean.jar
xqrl.jar
wlxbean.jar
ld-client.jar (from ALDSP 2.5)
I do the update in the way shown in attached java file.
After submit method call, I've got two copies of a new item added in the DB and also an exception that is shown in attached log-file.
What is the possible cause of this issue?
I use MySQL DBMS version 5.0.45.
I've also tried MS SQL 2005 but it simply had the same results.
DSP audit log is also attached.
Thank you in advance!
Best Regards,
Vitalii Tiutiunnyk

The problem is that your client is WLS server, and WLS server has network class loading disable (for security), and the result from the call requires a class that is not on the client. The call succeeds, but the the network class load for the result fails, and the WLS 9.2 framework (incorrectly) retries the call (and you get either a duplicate key exception or a second row inserted). Putting the server jar in the client classpath solves the problem.
If you wanted more information or help, you can contact BEA Customer Support and tell them it is regarding the CR I mentioned.

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