Matthias J. Sax created KAFKA-5937:
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Summary: Improve ProcessorStateManager exception handling
Key: KAFKA-5937
URL: https://issues.apache.org/jira/browse/KAFKA-5937
Project: Kafka
Issue Type: Sub-task
Components: streams
Affects Versions: 0.11.0.0, 0.11.0.1
Reporter: Matthias J. Sax
Assignee: Matthias J. Sax
We identified the follow issues:
- constructor calls {{StateDirectory#directoryForTask() }} and wraps throw
ProcessorStateException with LockException and rethrows -> we should not change
the exception type here
- {{ProcessorStateManager#close()}} loops through all stores and calls
{{StateStore#close()}}; it catches {{Exception}} and moves on to close all
stores -> rethrows first exception eventually as-is -> we should wrap with
{{ProcessotStateException}} before rethrowing
- {{ProcessorStateManager#flush()}} loops through all stores and calls
{{StateStore#flush()}}; it stops on first {{Exception}} -> we should keep
looping and flush all remaining stores before rethrowing at the end
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