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From "James E. King, III (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (THRIFT-4465) TNonblockingServer throwing THRIFT LOGGER: TConnection::workSocket(): THRIFT_EAGAIN (unavailable resources)
Date Sun, 21 Jan 2018 13:23:00 GMT

    [ https://issues.apache.org/jira/browse/THRIFT-4465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16333510#comment-16333510
] 

James E. King, III commented on THRIFT-4465:
--------------------------------------------

Thanks for the analysis; can you throw a pull request into the system with that line removed
(along with its comment) so it never returns?

> TNonblockingServer throwing THRIFT LOGGER: TConnection::workSocket(): THRIFT_EAGAIN (unavailable
resources)
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: THRIFT-4465
>                 URL: https://issues.apache.org/jira/browse/THRIFT-4465
>             Project: Thrift
>          Issue Type: Bug
>          Components: C++ - Library
>    Affects Versions: 0.11.0
>            Reporter: Buğra Gedik
>            Priority: Critical
>
> Once I upgraded to 0.11.0, I'm getting the following error occasionally:
> THRIFT LOGGER: TConnection::workSocket(): THRIFT_EAGAIN (unavailable resources)
> I tracked this to the following change: [https://github.com/apache/thrift/commit/808d143245f4f5c30600fab31cf9db854cbf5b48#diff-fe8fec8ec38ea35df64cfcc305e3ab08]
>   
> {code:java}
> // Work the socket right away
> - // workSocket();
> + workSocket();
> {code}
> While adding SSL support, @dthaluru has re-activated the above line. From my own testing,
this causes occasional THRIFT_EAGAIN exceptions. It seems like this is due to calling workSocket()
too early and the socket gets a read call in non-blocking mode before it has data.



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