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Kihwal Lee commented on MAPREDUCE-4387:
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The test was calling {{ReourceManager#stop()}} after it thought it's done. This hit {{GenericEventHandler}}
with an interrupt while it was trying to enqueue an event. This bubbled up and hit the RM's
{{EventProcessor}} loop, which did System.exit(-1). It checks whether the JVM is being shutdown,
but this is before {{ShutdownHookManager}} is activated.
It seems {{EventProcessor}} shouldn't do exit(-1) if it's got an exception during shutdown.
> RM gets fatal error and exits during TestRM
> -------------------------------------------
>
> Key: MAPREDUCE-4387
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4387
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.0.0-alpha
> Reporter: Kihwal Lee
> Fix For: 2.0.1-alpha, 3.0.0
>
>
> It doesn't happen on my desktop, but it happens frequently during the builds with clover
enabled. Surefire will report it as fork failure.
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