Oliver Draese created HIVE-22117:
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Summary: Clean up RuntimeException code in AMReporter
Key: HIVE-22117
URL: https://issues.apache.org/jira/browse/HIVE-22117
Project: Hive
Issue Type: Bug
Components: llap
Affects Versions: 3.1.1
Reporter: Oliver Draese
Assignee: Oliver Draese
The AMReporter of LLAP throws RuntimExceptions from within addTaskAttempt and
removeTaskAttempt. These can cause LLAP to come down.
As an interims fix (see HIVE-22113), the RuntimeException of removeTaskAttemp
is caught from within TaskRunnerCallable, preventing LLAP termination if a
killed task is not found in AMReporter.
Ideally, we would just log this on removeTask (a gone task is a gone task) and
have a checked exception in addTaskAttempt. If the checkedException is caught,
we should fail the task attempt (as there is already an attempt with this ID
running).
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