Hanisha Koneru created HDDS-5478:
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Summary: Improve error logging in OMStateMachine
Key: HDDS-5478
URL: https://issues.apache.org/jira/browse/HDDS-5478
Project: Apache Ozone
Issue Type: Improvement
Components: OM
Reporter: Hanisha Koneru
Assignee: Hanisha Koneru
If some exception occurs in a StateMachine implemented method, the exception is
propagated back to Ratis and then through Ratis back again to StateMachine. In
this back and forth, the exception could be lost.
While working on OM Bootstrap, I encountered a NullPointer exception in
OMStateMachine which cause Ratis (and eventually StateMachine) to shutdown with
a "client cancelled" exception. It would have helped in debugging if the
OMStateMachine had logged the initial exception.
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