[jira] [Commented] (HDFS-17567) Return value of method RouterRpcClient#invokeSequential is not accurate

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-17567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17862928#comment-17862928 ] 

ASF GitHub Bot commented on HDFS-17567:
---------------------------------------

hfutatzhanghb opened a new pull request, #6923:
URL: https://github.com/apache/hadoop/pull/6923

   ### Description of PR
   




> Return value of method RouterRpcClient#invokeSequential is not accurate
> -----------------------------------------------------------------------
>
>                 Key: HDFS-17567
>                 URL: https://issues.apache.org/jira/browse/HDFS-17567
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: rbf
>    Affects Versions: 3.4.0
>            Reporter: farmmamba
>            Assignee: farmmamba
>            Priority: Major
>
> Below code is the return value in method RouterRpcClient#invokeSequential.
>  
> {code:java}
> // Return the first result, whether it is the value or not
> @SuppressWarnings("unchecked") T ret = (T) firstResult;
> return new RemoteResult<>(locations.get(0), ret); {code}
>  
>  
> `locations.get(0)` is not accurate, because it may not be the remote location where ret was returned.



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