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Posted to hdfs-dev@hadoop.apache.org by "Konstantin Shvachko (JIRA)" <ji...@apache.org> on 2009/09/09 04:59:58 UTC

[jira] Created: (HDFS-606) ConcurrentModificationException in invalidateCorruptReplicas()

ConcurrentModificationException in invalidateCorruptReplicas()
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                 Key: HDFS-606
                 URL: https://issues.apache.org/jira/browse/HDFS-606
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 0.21.0
            Reporter: Konstantin Shvachko
            Assignee: Konstantin Shvachko
             Fix For: 0.21.0


{{BlockManager.invalidateCorruptReplicas()}} iterates over DatanodeDescriptor-s while removing corrupt replicas from the descriptors. This causes {{ConcurrentModificationException}} if there is more than one replicas of the block. I ran into this exception debugging different scenarios in append, but it should be fixed in the trunk too.

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