To check if your publisher is experiencing a deadlock, you can use JConsole to inspect the threads.

1. Connect JConsole to the Java Management Extensions (JMX) service on the Diffusion™ server.
   For more information, see Using JConsole.
2. Go to the Threads tab.
   This tab provides information about thread use: number of threads, a list of active threads, and details for a selected thread.
3. On the Threads tab, click the Detect Deadlock button.
   If deadlocks are present, new tabs open next to the Threads tab. You can use the information in these tabs to diagnose any deadlocks.