[
https://issues.apache.org/jira/browse/YARN-11577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17775149#comment-17775149
]
ASF GitHub Bot commented on YARN-11577:
---------------------------------------
slfan1989 commented on PR #6190:
URL: https://github.com/apache/hadoop/pull/6190#issuecomment-1762700699
> Router
```
<federationClusterInfo>
<id>0</id>
<startedOn>0</startedOn>
<subCluster>
<id>1697268190543</id>
<startedOn>1697268190543</startedOn>
<state>STARTED</state>
<haState>ACTIVE</haState>
<rmStateStoreName>org.apache.hadoop.yarn.server.resourcemanager.recovery.NullRMStateStore</rmStateStoreName>
<resourceManagerVersion>3.4.0-SNAPSHOT</resourceManagerVersion>
<resourceManagerBuildVersion>3.4.0-SNAPSHOT from ${version-info.scm.commit}
by slfan1989 source checksum
${version-info.source.md5}</resourceManagerBuildVersion>
<resourceManagerVersionBuiltOn>${version-info.build.time}</resourceManagerVersionBuiltOn>
<hadoopVersion>3.4.0-SNAPSHOT</hadoopVersion>
<hadoopBuildVersion>3.4.0-SNAPSHOT from ${version-info.scm.commit} by
slfan1989 source checksum ${version-info.source.md5}</hadoopBuildVersion>
<hadoopVersionBuiltOn>${version-info.build.time}</hadoopVersionBuiltOn>
<haZooKeeperConnectionState>Could not find leader elector. Verify both HA
and automatic failover are enabled.</haZooKeeperConnectionState>
<subClusterId>SC-1</subClusterId>
</subCluster>
<subCluster>
<id>1697268194907</id>
<startedOn>1697268194907</startedOn>
<state>STARTED</state>
<haState>ACTIVE</haState>
<rmStateStoreName>org.apache.hadoop.yarn.server.resourcemanager.recovery.NullRMStateStore</rmStateStoreName>
<resourceManagerVersion>3.4.0-SNAPSHOT</resourceManagerVersion>
<resourceManagerBuildVersion>3.4.0-SNAPSHOT from ${version-info.scm.commit}
by slfan1989 source checksum
${version-info.source.md5}</resourceManagerBuildVersion>
<resourceManagerVersionBuiltOn>${version-info.build.time}</resourceManagerVersionBuiltOn>
<hadoopVersion>3.4.0-SNAPSHOT</hadoopVersion>
<hadoopBuildVersion>3.4.0-SNAPSHOT from ${version-info.scm.commit} by
slfan1989 source checksum ${version-info.source.md5}</hadoopBuildVersion>
<hadoopVersionBuiltOn>${version-info.build.time}</hadoopVersionBuiltOn>
<haZooKeeperConnectionState>Could not find leader elector. Verify both HA
and automatic failover are enabled.</haZooKeeperConnectionState>
<subClusterId>SC-2</subClusterId>
</subCluster>
</federationClusterInfo>
```
> RM-1
```
<clusterInfo>
<id>1697268190543</id>
<startedOn>1697268190543</startedOn>
<state>STARTED</state>
<haState>ACTIVE</haState>
<rmStateStoreName>org.apache.hadoop.yarn.server.resourcemanager.recovery.NullRMStateStore</rmStateStoreName>
<resourceManagerVersion>3.4.0-SNAPSHOT</resourceManagerVersion>
<resourceManagerBuildVersion>3.4.0-SNAPSHOT from ${version-info.scm.commit}
by slfan1989 source checksum
${version-info.source.md5}</resourceManagerBuildVersion>
<resourceManagerVersionBuiltOn>${version-info.build.time}</resourceManagerVersionBuiltOn>
<hadoopVersion>3.4.0-SNAPSHOT</hadoopVersion>
<hadoopBuildVersion>3.4.0-SNAPSHOT from ${version-info.scm.commit} by
slfan1989 source checksum ${version-info.source.md5}</hadoopBuildVersion>
<hadoopVersionBuiltOn>${version-info.build.time}</hadoopVersionBuiltOn>
<haZooKeeperConnectionState>Could not find leader elector. Verify both HA
and automatic failover are enabled.</haZooKeeperConnectionState>
</clusterInfo>
```
> 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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