Github user dashengju commented on the pull request:
https://github.com/apache/storm/pull/305#issuecomment-61213166
We have reproduced the problemï¼ ShellProcess#getErrorsStream is hang when
only parent process raises exception and subprocess still work.
as @d2r 's suggestion, we changed ShellProcess#getErrorsStream so that it
checks that there is actually something to read, as ShellProcess#logErrorStream
does, the problem is solved.
@d2r , @revans2 , please help to review this pull request.
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