Michael W Moser created NIFI-11392:
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Summary: NiFi does not stop timely when using CRON scheduling
Key: NIFI-11392
URL: https://issues.apache.org/jira/browse/NIFI-11392
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 1.20.0
Reporter: Michael W Moser
When using CRON scheduling on at least 1 processor in a flow, and any CRON
driven processor has been scheduled at least once, then NiFi does not stop
within the graceful.shutdown.seconds period and has to be killed. If possible
it would be nice to clean this up.
I setup GenerateFlowFile with a CRON schedule of "0 * * * * ?". After it has
run once, I stopped NiFi and it was killed after 20 seconds instead of stopping
in 2 or 3 seconds.
2023-04-06 14:58:07,495 INFO [main] org.apache.nifi.bootstrap.Command Apache
NiFi has accepted the Shutdown Command and is shutting down now
...
2023-04-06 14:58:27,924 INFO [main] org.apache.nifi.bootstrap.Command NiFi PID
[4625] shutdown in progress...
2023-04-06 14:58:27,953 WARN [main] org.apache.nifi.bootstrap.Command NiFi PID
[4625] shutdown not completed after 20 seconds: Killing process
2023-04-06 14:58:27,985 INFO [main] org.apache.nifi.bootstrap.Command NiFi PID
[4625] shutdown completed
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