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What version of WebLogic? The odd thing happening is that you have obtained a WebLogic XA DataSource connection in one JVM and sent it in some object to another JVM. Is this as designed?
Wrapped vs Unwrapped is irrelevant.
Hi Joe, thx for your reply
Version is 12c (188.8.131.52), we use XA even if we do not need it. So we just tried without XA but the problem persists.
The application correctly loads data from db (for example form layout, labels, combo box ecc..) but fails during the invocation of DataGridService java class that manages the grid search results. The problem occurs only if the application works on cluster configuration, not on a single server.
OK, but does the information that your app is sending a JDBC connection from one JVM to another make any sense to you?
No, we don't use two JVM, only one...in fact, as i said, in truth we don't need XA drivers (but even without it the error recurs)
We just solved the problem: in the properties file, on wls.context parameter, we had forgotten to insert ip for all servers in cluster
for example...cluster with 2 servers
wrong: wls.context=t3://ip-address:7001 (this is only admin server)
correct: wls.context=t3://ip-address:7001,ip-address:7002,ip-address:7003 (admin server, server1, server2)