"timfox" wrote : I'm not sure what those tests do, but you just need to do this: | | | | | | 1. send message | | 2. crash the server in the poison interceptor after the send has been handled but before the response is written | | 3. client will get an exception | | 4. try and send the message again - should give a PK violation. | | | | That's what FailoverTest::testFailureRightAfterSend and FailoverTest::testFailureRightAfterSend are about. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4011383#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...