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Posted to hdfs-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2012/06/20 20:00:44 UTC

[jira] [Created] (HDFS-3548) NamenodeFsck.copyBlock fails to create a Block Reader

Todd Lipcon created HDFS-3548:
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             Summary: NamenodeFsck.copyBlock fails to create a Block Reader
                 Key: HDFS-3548
                 URL: https://issues.apache.org/jira/browse/HDFS-3548
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
    Affects Versions: 2.0.0-alpha, 0.23.1
            Reporter: Todd Lipcon
            Priority: Critical


NamenodeFsck.copyBlock creates a Socket using {{new Socket()}}, and thus that socket doesn't have an associated Channel. Then, it fails to create a BlockReader since RemoteBlockReader2 needs a socket channel.
(thanks to Hiroshi Yokoi for reporting)

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