[jboss-user] [JBoss Messaging] - Re: Receiving IllegalStateExceptions in client

timfox do-not-reply at jboss.com
Fri Feb 16 06:49:26 EST 2007

I think what you are seeing is a network problem between your client and server that is preventing the acknowledgement going through.

Looking at the code SessionAspect::handlePostDeliver:

  |  if (cancel)
  |             {
  |                sd.cancelDeliveries(acks);
  |             }
  |             else
  |             {
  |                sd.acknowledge(ack);
  |             }
  |             state.getToAck().clear();

The unacked message state is not cleared if the acknowledge throws an exception, so this would explain why the next call to handlePostDeliver gives you an IllegalStateException.

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