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From "cen yuhai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-14559) Netty RPC didn't check channel is active before sending message
Date Thu, 28 Apr 2016 13:45:12 GMT

    [ https://issues.apache.org/jira/browse/SPARK-14559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15262145#comment-15262145
] 

cen yuhai commented on SPARK-14559:
-----------------------------------

[~zsxwing]wing] Yes, it's a long running service. But sometimes this bug happen after startup
for just twenty minutes.

> Netty RPC didn't check channel is active before sending message
> ---------------------------------------------------------------
>
>                 Key: SPARK-14559
>                 URL: https://issues.apache.org/jira/browse/SPARK-14559
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.6.0, 1.6.1
>         Environment: spark1.6.1 hadoop2.2.0 jdk1.8.0_65
>            Reporter: cen yuhai
>
> I have a long-running service. After running for serveral hours, It throwed these exceptions.
I  found that before sending rpc request by calling sendRpc method in TransportClient, there
is no check that whether the channel is still open or active ?
> java.nio.channels.ClosedChannelException
>  4865 16/04/12 11:24:00 ERROR TransportClient: Failed to send RPC 5635696155204230556
to bigdata-arch-hdp407.bh.diditaxi.com/10.234.23.107:55197: java.nio.
>       channels.ClosedChannelException
>  4866 java.nio.channels.ClosedChannelException
>  4867 16/04/12 11:24:00 ERROR TransportClient: Failed to send RPC 7319486003318455703
to bigdata-arch-hdp1235.bh.diditaxi.com/10.168.145.239:36439: java.nio.
>       channels.ClosedChannelException
>  4868 java.nio.channels.ClosedChannelException
>  4869 16/04/12 11:24:00 ERROR TransportClient: Failed to send RPC 9041854451893215954
to bigdata-arch-hdp1398.bh.diditaxi.com/10.248.117.216:26801: java.nio.
>       channels.ClosedChannelException
>  4870 java.nio.channels.ClosedChannelException
>  4871 16/04/12 11:24:00 ERROR TransportClient: Failed to send RPC 6046473497871624501
to bigdata-arch-hdp948.bh.diditaxi.com/10.118.114.81:41903: java.nio.  
>       channels.ClosedChannelException
>  4872 java.nio.channels.ClosedChannelException
>  4873 16/04/12 11:24:00 ERROR TransportClient: Failed to send RPC 9085605650438705047
to bigdata-arch-hdp1126.bh.diditaxi.com/10.168.146.78:27023: java.nio.
>       channels.ClosedChannelException



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