Github user dataknocker commented on a diff in the pull request:
https://github.com/apache/spark/pull/18324#discussion_r154274837
--- Diff: python/pyspark/worker.py ---
@@ -177,8 +180,11 @@ def process():
process()
except Exception:
try:
+ exc_info = traceback.format_exc()
+ if isinstance(exc_info, unicode):
+ exc_info = exc_info.encode('utf-8')
--- End diff --
@HyukjinKwon this pr can only be hanging?
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