Aaron Davidson created SPARK-2412:
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Summary: CoalescedRDD throws exception with certain pref locs
Key: SPARK-2412
URL: https://issues.apache.org/jira/browse/SPARK-2412
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 1.0.0
Reporter: Aaron Davidson
Assignee: Aaron Davidson
If the first pass of CoalescedRDD does not find the target number of locations
AND the second pass finds new locations, an exception is thrown, as
"groupHash.get(nxt_replica).get" is not valid.
The fix is just to add an ArrayBuffer to groupHash for that replica if it
didn't already exist.
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