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Posted to hdfs-dev@hadoop.apache.org by "Jing Zhao (JIRA)" <ji...@apache.org> on 2014/02/05 00:18:13 UTC

[jira] [Resolved] (HDFS-5884) LoadDelegator should use IOUtils.readFully() to read the magic header

     [ https://issues.apache.org/jira/browse/HDFS-5884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jing Zhao resolved HDFS-5884.
-----------------------------

       Resolution: Fixed
    Fix Version/s: HDFS-5698 (FSImage in protobuf)
     Hadoop Flags: Reviewed

+1. I've committed this.

> LoadDelegator should use IOUtils.readFully() to read the magic header
> ---------------------------------------------------------------------
>
>                 Key: HDFS-5884
>                 URL: https://issues.apache.org/jira/browse/HDFS-5884
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-5698 (FSImage in protobuf)
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>             Fix For: HDFS-5698 (FSImage in protobuf)
>
>         Attachments: HDFS-5884.000.patch
>
>
> Currently FSImageFormat.LoadDelegator reads the magic header using {{FileInputStream.read()}}. It does not guarantee that the magic header is fully read. It should use {{IOUtils.readFully()}} instead.



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