Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/15#issuecomment-38650197
Ya okay I think my suspicion was correct. I made the following modification
to `createClassLoader` and I was able to fix this bug:
```
private def createClassLoader(): ExecutorURLClassLoader = {
- val loader = this.getClass.getClassLoader
+ val loader = Thread.currentThread().getContextClassLoader
```
The problem is that it delegated to the classloader which created the
current class. Instead it should delegate to the classloader that is currently
active in the present thread.
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