Github user Parth-Brahmbhatt commented on the pull request:
https://github.com/apache/storm/pull/318#issuecomment-67995761
actually there were multiple places with url-encode function that needed to
be replaced I have opened a PR so the issue no longer appears
https://github.com/apache/storm/pull/360. I have tested with topology name
"Word+Count hi#^&(*&)_+<?>" and I was able to take all the actions without any
errors.
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