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From "Kai Jiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10685) libhdfs++: return explicit error when non-secured client connects to secured server
Date Tue, 06 Dec 2016 07:10:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15724651#comment-15724651
] 

Kai Jiang commented on HDFS-10685:
----------------------------------

Thanks! I am still interested in this one. I will open a Pull Request on Github later this
week.

> libhdfs++: return explicit error when non-secured client connects to secured server
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-10685
>                 URL: https://issues.apache.org/jira/browse/HDFS-10685
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: Bob Hansen
>
> When a non-secured client tries to connect to a secured server, the first indication
is an error from RpcConnection::HandleRpcRespose complaining about "RPC response with Unknown
call id -33".
> We should insert code in HandleRpcResponse to detect if the unknown call id == RpcEngine::kCallIdSasl
and return an informative error that you have an unsecured client connecting to a secured
server.



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