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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-1997) Image transfer process misreports client side exceptions
Date Wed, 25 May 2011 23:22:47 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-1997:
------------------------------

    Attachment: hdfs-1997.txt

> Image transfer process misreports client side exceptions
> --------------------------------------------------------
>
>                 Key: HDFS-1997
>                 URL: https://issues.apache.org/jira/browse/HDFS-1997
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>    Affects Versions: 0.22.0, Edit log branch (HDFS-1073), 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.22.0, Edit log branch (HDFS-1073), 0.23.0
>
>         Attachments: hdfs-1997.txt
>
>
> If the image transfer process receives a client-side error when transferring edit logs,
it will throw an exception before it has completely read all of the input from the server-side
servlet. Then, the finally clause will throw a new error, since the received length is less
than the length given in the header. This masks the client-side exception and makes it look
like a network error or a server-side problem.

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