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From "Alessandro Presta (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-319) Receiving two responses for a request causes an exception
Date Mon, 03 Sep 2012 15:15:07 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13447310#comment-13447310
] 

Alessandro Presta commented on GIRAPH-319:
------------------------------------------

Oh ok, this sounds reasonable. Feel free to make the change (I'm on vacation without my work
laptop).
In my experience, a long-running job would systematically trigger many resent requests, which
in turn caused the same number of responses to be sent back (leading to discovering this bug).
I have yet to come across the case where a request is received multiple times but only one
response comes back, hence in practice I always got both the "Already completed request" info
and this... so the two seem kind of redundant, but I have no strong opinion.
                
> Receiving two responses for a request causes an exception
> ---------------------------------------------------------
>
>                 Key: GIRAPH-319
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-319
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Maja Kabiljo
>            Assignee: Alessandro Presta
>         Attachments: GIRAPH-319.patch, GIRAPH-319.patch
>
>
> Related to GIRAPH-306, and resending requests for which we haven't received response
yet. If because of that we send request two times, and get two responses to it, the second
one will cause an exception (ResponseClientHandler:111).

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