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Posted to hdfs-issues@hadoop.apache.org by "Weiwei Yang (JIRA)" <ji...@apache.org> on 2016/06/24 15:19:16 UTC
[jira] [Comment Edited] (HDFS-10569) A bug causes OutOfIndex error
in BlockListAsLongs
[ https://issues.apache.org/jira/browse/HDFS-10569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15348414#comment-15348414 ]
Weiwei Yang edited comment on HDFS-10569 at 6/24/16 3:18 PM:
-------------------------------------------------------------
Hello [~daryn], [~kihwal]
Please help to check if my latest comment and the modifications to the UT makes sense. :)
was (Author: cheersyang):
Hello [~daryn] [~kihwal]
Please help to check if my latest comment and the modifications to the UT makes sense. :)
> 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, HDFS-10569.002.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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