I think this is caused by the tests that call JobRunnerCtl.kill(): celeryd processes are killed via SIGKILL, so they can't do the "normal cleaning" for a regular shut down. When another test starts new celeryd instances, we get this error (which I would consider to be a warning).
I think this is caused by the tests that call JobRunnerCtl. kill(): celeryd processes are killed via SIGKILL, so they can't do the "normal cleaning" for a regular shut down. When another test starts new celeryd instances, we get this error (which I would consider to be a warning).