GitHub user JoshRosen opened a pull request:
https://github.com/apache/spark/pull/11687
[SPARK-13848][SPARK-5185] Update to Py4J 0.9.2 in order to fix classloading
issue
This patch upgrades Py4J from 0.9.1 to 0.9.2 in order to include a patch
which modifies Py4J to use the current thread's ContextClassLoader when
performing reflection / class loading. This is necessary in order to fix
[SPARK-5185](https://issues.apache.org/jira/browse/SPARK-5185), a longstanding
issue affecting the use of `--jars` and `--packages` in PySpark.
In order to demonstrate that the fix works, I removed the workarounds which
were added as part of
[SPARK-6027](https://issues.apache.org/jira/browse/SPARK-6027) / #4779 and
other patches.
Py4J diff: https://github.com/bartdag/py4j/compare/0.9.1...0.9.2
/cc @zsxwing @tdas @davies @brkyvz
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/JoshRosen/spark py4j-0.9.2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11687.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #11687
----
commit d21301f69bb6cd6bdc816f0c4ac6d8ea0b47e2ad
Author: Josh Rosen <[email protected]>
Date: 2016-03-13T21:00:42Z
[SPARK-13848] Update to Py4J 0.9.2
commit 40d22cc898a496ed34a48cc939837de2a5da7d11
Author: Josh Rosen <[email protected]>
Date: 2016-03-13T21:40:56Z
[SPARK-5185] Update Py4J tests to demonstate that SPARK-5185 has been fixed.
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