Github user markap14 commented on the pull request: https://github.com/apache/nifi/pull/115#issuecomment-154416212 @olegz : Thanks for the link! I've read the book, but it has been many years, probably 2-3 years out of college. I could probably learn from reading it again, now that I have a much better understanding of Java and concurrency. Reading that article was certainly beneficial. That said, I think to @trkurc's point, in some of the locations (such as the bootstrap) it may be okay to swallow and may not need to repeat the interrupt... There may also be places that we should in fact being throwing InterruptedException ourselves. While I do agree that the Exception is not being handled properly, we should probably review a little more closely rather than performing a blanket change to the code.
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