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https://issues.apache.org/jira/browse/HDFS-10685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15767627#comment-15767627
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James Clampffer commented on HDFS-10685:
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Hey [~vectorijk], I just wanted to check if you posted a patch on github, I
didn't see one but I might not be looking in the right place. Can you just
leave a comment here once you put one up (or if you already did) just so I
don't accidentally miss it? This patch is self contained enough that you can
just embed the diff in the comment like you did before and I'll convert it to a
patch and attach to this if that's easier for you. Thanks!
> 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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