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https://issues.apache.org/jira/browse/YARN-4982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15255871#comment-15255871
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Sunil G commented on YARN-4982:
-------------------------------

{{StandardHostResolver}} is used in new patch, and I also checked it earlier. 
As discussed in HADOOP-12687, testcase will pass in all machines where DNS is 
properly configured. INFRA-11150 is raised to handle this case. But I am not 
very sure abt using {{StandardHostResolver}} for all these test cases in 
yarn-client. If something is broken in this  {{QualifiedHostResolver}}, 
yarn-client may  be impacted. I will let [~rohithsharma] to comment here.

> Test timeout :yarn-client testcase timeout and failures
> -------------------------------------------------------
>
>                 Key: YARN-4982
>                 URL: https://issues.apache.org/jira/browse/YARN-4982
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: test
>            Reporter: Bibin A Chundatt
>            Priority: Blocker
>         Attachments: 0001-YARN-4982.patch, 0002-YARN-4982.patch, 
> 0003-YARN-4982.patch
>
>
> https://builds.apache.org/job/PreCommit-YARN-Build/11088/testReport/junit/org.apache.hadoop.yarn.client.api.impl/TestAMRMProxy/testAMRMProxyE2E/
> In hadoop-yarn-client package test {{TestAMRMProxy}} testcase timeout always
> {noformat}
> java.lang.Exception: test timed out after 60000 milliseconds
>       at java.lang.Thread.sleep(Native Method)
>       at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:160)
>       at com.sun.proxy.$Proxy85.getNewApplication(Unknown Source)
>       at 
> org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.getNewApplication(YarnClientImpl.java:227)
>       at 
> org.apache.hadoop.yarn.client.api.impl.YarnClientImpl.createApplication(YarnClientImpl.java:235)
>       at 
> org.apache.hadoop.yarn.client.api.impl.TestAMRMProxy.createApp(TestAMRMProxy.java:367)
>       at 
> org.apache.hadoop.yarn.client.api.impl.TestAMRMProxy.testAMRMProxyE2E(TestAMRMProxy.java:110)
> {noformat}
> Other classes having similar failures
> org.apache.hadoop.yarn.client.cli.TestYarnCLI
> org.apache.hadoop.yarn.client.api.impl.TestYarnClient
> org.apache.hadoop.yarn.client.api.impl.TestAMRMClient
> org.apache.hadoop.yarn.client.api.impl.TestNMClien



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