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From "Kuhu Shukla (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11797) BlockManager#createLocatedBlocks() can throw ArrayIndexOutofBoundsException when corrupt replicas are inconsistent
Date Wed, 10 May 2017 16:26:04 GMT
Kuhu Shukla created HDFS-11797:
----------------------------------

             Summary: 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


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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