Github user Lewuathe commented on the pull request:
https://github.com/apache/storm/pull/456#issuecomment-77156141
However the topology is submitted with `storm shell`, this cannot track
exception because `spawnvp` seems to return no stdout and stderr. I don't know
the reason why in this case `spawnvp` is called. Can I migrate these two cases
into `subprocess.check_output`?
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