Github user kishorvpatil commented on the pull request:
https://github.com/apache/storm/pull/468#issuecomment-86350235
@lazyval, sorry for delay in responding. We have seen this happen in case
some of our clusters. When the `ExecutorService`, executes the `FutureTask`, it
captures even `Error` and not processed by any thread's
`DefaultUnCaughtExceptionHandler`. This can lead to server not shutdown even
after OOM.
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