Jason Lowe created YARN-3090:
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Summary: DeletionService can silently ignore deletion task failures
Key: YARN-3090
URL: https://issues.apache.org/jira/browse/YARN-3090
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Affects Versions: 2.1.1-beta
Reporter: Jason Lowe
If a non-I/O exception occurs while the DeletionService is executing a deletion
task then it will be silently ignored. The exception bubbles up to the thread
workers of the ScheduledThreadPoolExecutor which simply attaches the throwable
to the Future that was returned when the task was scheduled. However the
thread pool is used as a fire-and-forget pool, so nothing ever looks at the
Future and therefore the exception is never logged.
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