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Posted to common-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/08/03 06:33:28 UTC

[jira] [Commented] (HADOOP-7505) EOFException in RPC stack should have a nicer error message

    [ https://issues.apache.org/jira/browse/HADOOP-7505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13078579#comment-13078579 ] 

Todd Lipcon commented on HADOOP-7505:
-------------------------------------

HADOOP-7346 took care of this for the case of connecting to a newer incompatible server. But, still doesn't help if you accidentally point at the wrong port (eg the web port instead of IPC). So, this JIRA could still be an improvement past that.

> 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
>            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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