Github user jkbradley commented on the issue:
https://github.com/apache/spark/pull/16494
Thanks for the patch. This sounds like it may be the same bug being
addressed in https://issues.apache.org/jira/browse/SPARK-14804 so I'll CC @tdas
If so, then I believe the bug is really with how checkpointing is being
done for Graphs, not with construction in fromEdges. The checkpointing bug
makes GraphX sort of forget the type of the EdgeRDD when it is recovered,
making it handle it incorrectly in subsequent operations like fromEdges.
However, I don't know if this can arise elsewhere, so let me ping
@ankurdave : any thoughts on this?
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