[jira] [Resolved] (IMPALA-8748) Must pass hostname to RpcMgr::GetProxy()

["Michael Ho (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-8748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Ho resolved IMPALA-8748.
--------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.3.0

> Must pass hostname to RpcMgr::GetProxy()
> ----------------------------------------
>
>                 Key: IMPALA-8748
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8748
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Distributed Exec
>    Affects Versions: Impala 3.3.0
>            Reporter: Michael Ho
>            Assignee: Michael Ho
>            Priority: Blocker
>             Fix For: Impala 3.3.0
>
>
> Various RPCs converted to KRPC recently mistakenly pass the resolved IP address instead of the actual hostname. An example below in coordinator-backend-state.cc. This may lead to failure when running with Kerberos enabled.
> {noformat}
>   std::unique_ptr<ControlServiceProxy> proxy;
>   Status get_proxy_status =
>       ControlService::GetProxy(krpc_host_, krpc_host_.hostname, &proxy);
>   if (!get_proxy_status.ok()) {
>     SetExecError(get_proxy_status);
>     return;
>   }
> {noformat}



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