GitHub user yhuai opened a pull request:
https://github.com/apache/spark/pull/13366
[SPARK-15622] [SQL] Wrap the parent classloader of Janino's classloader in
the ParentClassLoader.
## What changes were proposed in this pull request?
At
https://github.com/aunkrig/janino/blob/janino_2.7.8/janino/src/org/codehaus/janino/ClassLoaderIClassLoader.java#L80-L85,
Janino's classloader throws the exception when its parent throws a
ClassNotFoundException with a cause set. However, it does not throw the
exception when there is no cause set. Seems we need to use a special
ClassLoader to wrap the actual parent classloader set to Janino handle this
behavior.
## How was this patch tested?
I have reverted the workaround made by
https://issues.apache.org/jira/browse/SPARK-11636 (
https://github.com/apache/spark/compare/master...yhuai:SPARK-15622?expand=1#diff-bb538fda94224dd0af01d0fd7e1b4ea0R81)
and `test-only *ReplSuite -- -z "SPARK-2576 importing implicits"` still passes
the test (without the change in `CodeGenerator`, this test does not pass with
the change in `ExecutorClassLoader `).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yhuai/spark SPARK-15622
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13366.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 #13366
----
commit a539fae1e2b0928e98c2f338ff3376c8c7f8fe18
Author: Yin Huai <[email protected]>
Date: 2016-05-27T22:12:54Z
[SPARK-15622] [SQL] Wrap the parent classloader of Janino's classloader in
the ParentClassLoader.
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