IBM BPM, V8.0.1, All platforms > Troubleshooting and support > Troubleshooting administration tasks and tools > Troubleshooting BPEL processes and human tasks > Troubleshooting the execution of BPEL processes
Unexpected exception during invocation of the processMessage method (message: CNTR0020E)
The process container has stopped and the client could not connect to the server.
Resolution
Verify that the process container is running.