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https://issues.apache.org/jira/browse/TEZ-2907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14969866#comment-14969866
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Siddharth Seth commented on TEZ-2907:
-------------------------------------
+1. Looks good. Don't think there's other implementations which don't override
close / getLength
> NPE in IFile.Reader.getLength during final merge operation
> ----------------------------------------------------------
>
> Key: TEZ-2907
> URL: https://issues.apache.org/jira/browse/TEZ-2907
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Attachments: TEZ-2907.1.patch
>
>
> {noformat}
> Caused by: java.lang.NullPointerException
> at
> org.apache.tez.runtime.library.common.sort.impl.IFile$Reader.getLength(IFile.java:645)
> at
> org.apache.tez.runtime.library.common.sort.impl.TezMerger$Segment.<init>(TezMerger.java:303)
> at
> org.apache.tez.runtime.library.common.sort.impl.TezMerger$Segment.<init>(TezMerger.java:295)
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.MergeManager.finalMerge(MergeManager.java:1129)
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.MergeManager.close(MergeManager.java:557)
> at
> org.apache.tez.runtime.library.common.shuffle.orderedgrouped.Shuffle$RunShuffleCallable.callInternal(Shuffle.java:313)
> ... 6 more
> {noformat}
> Might be happening after TEZ-2850.
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