Silence netty error from Jython on unittest.
@@ -416,6 +416,7 @@ class AbstractWriterThread(threading.Thread):
'Failed to submit a listener notification task. Event loop shut down?',
'java.util.concurrent.RejectedExecutionException',
'An event executor terminated with non-empty task',
+ 'java.lang.UnsupportedOperationException',
):
if expected in line:
return True
