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https://issues.apache.org/jira/browse/HDFS-10569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15346443#comment-15346443
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Kihwal Lee commented on HDFS-10569:
-----------------------------------
It looks like {{index2BlockId()}} was used to get the right index before the
change.
[~daryn], please have a look.
> A bug causes OutOfIndex error in BlockListAsLongs
> -------------------------------------------------
>
> Key: HDFS-10569
> URL: https://issues.apache.org/jira/browse/HDFS-10569
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Minor
> Attachments: HDFS-10569.001.patch
>
>
> An obvious bug in LongsDecoder.getBlockListAsLongs(), the size of var *longs*
> is +2 to the size of *values*, but the for-loop accesses *values* using
> *longs* index. This will cause OutOfIndex.
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