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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HDFS-11797) BlockManager#createLocatedBlocks() can throw ArrayIndexOutofBoundsException when corrupt replicas are inconsistent
Date Thu, 08 Jun 2017 01:29:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16042052#comment-16042052
] 

Jing Zhao edited comment on HDFS-11797 at 6/8/17 1:29 AM:
----------------------------------------------------------

I have not checked the details, but is it related to HDFS-11445 (more specifically, this [comment|https://issues.apache.org/jira/browse/HDFS-11445?focusedCommentId=15898236&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15898236]).


was (Author: jingzhao):
I have not checked the details, but is it related to HDFS-11445?

> BlockManager#createLocatedBlocks() can throw ArrayIndexOutofBoundsException when corrupt
replicas are inconsistent
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-11797
>                 URL: https://issues.apache.org/jira/browse/HDFS-11797
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Kuhu Shukla
>            Assignee: Kuhu Shukla
>            Priority: Critical
>         Attachments: HDFS-11797.001.patch
>
>
> The calculation for {{numMachines}} can be too less (causing ArrayIndexOutOfBoundsException)
or too many (causing NPE (HDFS-9958)) if data structures find inconsistent number of corrupt
replicas. This was earlier found related to failed storages. This JIRA tracks a change that
works for all possible cases of inconsistencies.



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