Github user olegz commented on the pull request:
https://github.com/apache/nifi/pull/115#issuecomment-154428329
I just want to make sure that we are all on the same page; _repeat the
interrupt_ in the context of _Thread.interrupt()_ simply implies communication
of something that have already happened and is not he same as re-throwing
exception. Hence my point about that being safe.
For cases where one really wants to ignore the interrupt especially where
```Thread.sleep(..)``` is used (a whole other topic), we can simply use
```LockSupport.parkNanos(..)```. Any interrupt will not turn into exception
making user responsible to query the active thread periodically and check if it
has been interrupted ```Thread.isInterrupted()```.
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