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https://issues.apache.org/jira/browse/PIG-5380?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Koji Noguchi updated PIG-5380:
------------------------------
Status: Open (was: Patch Available)
We haven't seen this issue pop up for a long time. We will revisit once 0.18
is released.
> SortedDataBag hitting ConcurrentModificationException or producing incorrect
> output in a corner-case
> -----------------------------------------------------------------------------------------------------
>
> Key: PIG-5380
> URL: https://issues.apache.org/jira/browse/PIG-5380
> Project: Pig
> Issue Type: Bug
> Reporter: Koji Noguchi
> Assignee: Koji Noguchi
> Priority: Major
> Attachments: pig-5380-v01.patch, pig-5380-v02.patch,
> pig-5380-v03.patch
>
>
> User had a UDF that created large SortedDataBag. This UDF was failing with
> {noformat}
> java.util.ConcurrentModificationException
> at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
> at java.util.ArrayList$Itr.next(ArrayList.java:851)
> at
> org.apache.pig.data.SortedDataBag$SortedDataBagIterator.readFromPriorityQ(SortedDataBag.java:346)
> at
> org.apache.pig.data.SortedDataBag$SortedDataBagIterator.next(SortedDataBag.java:322)
> at
> org.apache.pig.data.SortedDataBag$SortedDataBagIterator.hasNext(SortedDataBag.java:235)
> {noformat}
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