Github user rama-nallamilli commented on the pull request:
https://github.com/apache/storm/pull/1440#issuecomment-220934324
Not sure what the difference is but the impact of using the System Class
Loader rather than userDefined means that any locally built sources that are
added to the classpath by a build tool cannot be picked up (causing class not
found defs). Currently attempting to build with this patch locally and will
see if it resolves the issue, will update.
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