GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/9922
[SPARK-11935][PySpark]Send the Python exceptions in TransformFunction and
TransformFunctionSerializer to Java
The Python exception track in TransformFunction and
TransformFunctionSerializer is not sent back to Java. Py4j just throws a very
general exception, which is hard to debug.
This PRs adds `getFailure` method to get the failure message in Java side.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark SPARK-11935
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9922.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 #9922
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