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From "Kihwal Lee (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7505) EOFException in RPC stack should have a nicer error message
Date Wed, 09 Nov 2011 15:39:52 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13147109#comment-13147109
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Kihwal Lee commented on HADOOP-7505:
------------------------------------

In branch-0.20-security, I've seen clients getting an EOFException when the connection was
closed in the middle of an RPC transaction. I am guessing this is because the input stream
was broken while reading a response. It makes a perfect sense at that level, but showing that
to users who are reading a file can be quite confusing. I haven't checked whether the trunk
also has this issue.
                
> EOFException in RPC stack should have a nicer error message
> -----------------------------------------------------------
>
>                 Key: HADOOP-7505
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7505
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>    Affects Versions: 0.23.0
>            Reporter: Eli Collins
>            Assignee: Harsh J
>            Priority: Minor
>
> Lots of user logs involve a user running mismatched versions, and for some reason or
another, they get EOFException instead of a proper version mismatch exception. We should be
able to catch this at appropriate points, and have a nicer exception message explaining that
it's a possible version mismatch, or that they're trying to connect to the incorrect port.

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