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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-5884) LoadDelegator should use IOUtils.readFully() to read the magic header
Date Tue, 04 Feb 2014 23:18:13 GMT

     [ 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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