Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/6625#discussion_r31776910
--- Diff:
core/src/main/scala/org/apache/spark/serializer/SerializationDebugger.scala ---
@@ -169,18 +208,53 @@ private[spark] object SerializationDebugger extends
Logging {
}
j += 1
}
-
}
i += 1
}
return List.empty
}
+
+ /**
+ * Visit a serializable object which has the writeObject() defined.
+ * Since writeObject() can choose add arbitrary objects at the time of
serialization,
+ * the only way to capture all the objects it will serialize is by
using a
+ * dummy ObjectOutputStream that collects all the relevant fields for
further testing.
--- End diff --
maybe it's worth mentioning that this is the similar to how externalizable
objects are visited?
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