but i am getting exception as
EXCCCCCC :::java.sql.SQLException: weblogic.rmi.extensions.RemoteRuntimeException: Unexpected Exception - with nested exception:
[java.rmi.MarshalException: error marshalling return; nested exception is:
1. When you created this DataSource and gave Connection Pool details from Weblogic Admin Console, what Drivers did you select. You can find this from your domain/config/jdbc/xxx.xml file where xxx kind of refers to the datasource file. This has all .xml file for each datasource. Please send me this file here.
2. Try to use normal Oracle out of box Service Level Non-XA Drivers and see if that helps.