When connection close?

[kafka]

Hello,
I run our bean and after some time he make passivate.
But after some time I get error, I think from postgres db:
16:17:58,815 INFO [JBossManagedConnectionPool] Exception destroying ManagedConn
ection
javax.resource.ResourceException: Could not cleanup: An I/O error occured while
reading from backend - Exception: java.net.SocketException: Connection reset by
peer: JVM_recv in socket input stream read
Stack Trace:

java.net.SocketException: Connection reset by peer: JVM_recv in socket input str
eam read
at java.net.SocketInputStream.socketRead0(Native Method)
I'm using CMP. Where can be problem?
thanks

[dsundstrom]

I don't know. I suggest you ask in the datasource configuration forum.