Github user holdenk commented on a diff in the pull request:
https://github.com/apache/spark/pull/15961#discussion_r89671365
--- Diff: python/pyspark/context.py ---
@@ -373,8 +375,19 @@ def stop(self):
Shut down the SparkContext.
"""
if getattr(self, "_jsc", None):
- self._jsc.stop()
- self._jsc = None
+ try:
+ self._jsc.stop()
+ except Py4JError:
+ # Case: SPARK-18523
+ warnings.warn(
+ 'Unable to cleanly shutdown Spark JVM process.'
+ ' It is possible that the process has crashed'
+ ' or been killed, but may also be in a zombie state.',
--- End diff --
sgtm either way :)
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