Hi, In my project, I have created a StatefulKnowledgeSession that is persistent. The StateulfKnowledgeSession implementation is the CommandBasedStatefulKnowledgeSession. From this CommandBasedStatefulKnowledgeSession, I started a workflow that contains a SignalEvent waiting for something to signal into that process. I then started a second process that contains only an action node with the following code: kcontext.getKnowledgeRuntime().signalEvent("TestSignal2", "from SignalHello"); // Should broadcast to all other processes currently running in this session. The signal is never received by the first process because the kcontext.getKnowledgeRuntime() that is trying to signal the event uses an instance of StatefulKnowledgeSessionImpl not CommandBasedStatefulKnowledgeSession. Can anyone explain why the kcontext.getKnowledgeRuntime() returns a different instance of the StatefulKnowledgeSession than the one it was started with? Is this a bug? Thanks, - Darin