Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/15#issuecomment-38758426
Ya okay I see. I'm wondering if there is some reason this needs to be set
when running in non-local modes. It looks like this was added a really long
time ago and stuck around through several refactorings:
https://github.com/apache/spark/commit/b864c36a#diff-40f975518e47d34cc8ecd7a49440228dR50
One thing we could do to be safe is something like this:
```
if (!isLocal) Thread.currentThread.setContextClassLoader(replClassLoader)
```
Or if we wanted to be more cavalier we could just remove it entirely.
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