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Commit d29e2ef4 authored by Shixiong Zhu's avatar Shixiong Zhu Committed by Tathagata Das
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[SPARK-11935][PYSPARK] Send the Python exceptions in TransformFunction and... 

[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.

Author: Shixiong Zhu <shixiong@databricks.com>

Closes #9922 from zsxwing/SPARK-11935.
parent 88875d94
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