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https://issues.apache.org/jira/browse/YARN-11577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17780428#comment-17780428
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ASF GitHub Bot commented on YARN-11577:
---------------------------------------

slfan1989 commented on code in PR #6190:
URL: https://github.com/apache/hadoop/pull/6190#discussion_r1374744145


##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/RouterServerUtil.java:
##########
@@ -227,7 +227,7 @@ public static void logAndThrowIOException(String errMsg, 
Throwable t)
       throws IOException {
     if (t != null) {
       LOG.error(errMsg, t);
-      throw new IOException(errMsg, t);

Review Comment:
   We made changes to this part of the code because we aim to convey more 
information to the client.





> Improve FederationInterceptorREST Method Result
> -----------------------------------------------
>
>                 Key: YARN-11577
>                 URL: https://issues.apache.org/jira/browse/YARN-11577
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: federation
>    Affects Versions: 3.4.0
>            Reporter: Shilun Fan
>            Assignee: Shilun Fan
>            Priority: Major
>              Labels: pull-request-available
>
> In the FederationInterceptorREST, some methods currently return null or throw 
> exceptions. We will ensure that the returned results are similar to those 
> returned by RM, handling cases of null values or exceptions gracefully.



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