Github user Stibbons commented on a diff in the pull request:
https://github.com/apache/spark/pull/15026#discussion_r78464418
--- Diff: python/pyspark/broadcast.py ---
@@ -75,7 +75,13 @@ def __init__(self, sc=None, value=None,
pickle_registry=None, path=None):
self._path = path
def dump(self, value, f):
- pickle.dump(value, f, 2)
+ try:
+ pickle.dump(value, f, 2)
+ except pickle.PickleError:
+ raise
+ except Exception as e:
+ msg = "Could not serialize broadcast: " + e.__class__.__name__
+ ": " + e.message
+ raise pickle.PicklingError(msg)
--- End diff --
it is indeed a good practice to log when wrapping exception is more
contextual one. logging.exception(msg) will be perfect
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