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https://issues.apache.org/jira/browse/YARN-7961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457140#comment-16457140
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Gour Saha commented on YARN-7961:
---------------------------------
[~yeshavora] I have added a patch which will give better messaging when you try
to run status on a destroyed app (instead of just saying HTTP 404). However, it
is not easy to tell the user whether a service of that name was ever created or
not.
> Improve status response when yarn application is destroyed
> ----------------------------------------------------------
>
> Key: YARN-7961
> URL: https://issues.apache.org/jira/browse/YARN-7961
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn-native-services
> Affects Versions: 3.1.0
> Reporter: Yesha Vora
> Assignee: Gour Saha
> Priority: Major
> Attachments: YARN-7961.01.patch
>
>
> Yarn should provide some way to figure out if yarn service is destroyed.
> If yarn service application is stopped, "yarn app -status <appname>" shows
> that service is Stopped.
> After destroying yarn service, "yarn app -status <appname>" returns 404
> {code}
> [hdpuser@cn005 sleeper]$ yarn app -status yesha-sleeper
> WARNING: YARN_LOG_DIR has been replaced by HADOOP_LOG_DIR. Using value of
> YARN_LOG_DIR.
> WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE. Using value of
> YARN_LOGFILE.
> WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR. Using value of
> YARN_PID_DIR.
> WARNING: YARN_OPTS has been replaced by HADOOP_OPTS. Using value of YARN_OPTS.
> 18/02/16 11:02:30 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> 18/02/16 11:02:31 INFO client.RMProxy: Connecting to ResourceManager at
> xxx/xx.xx.xx.xx:8050
> 18/02/16 11:02:31 INFO client.AHSProxy: Connecting to Application History
> server at xxx/xx.xx.xx.x:10200
> 18/02/16 11:02:31 INFO client.RMProxy: Connecting to ResourceManager at
> xxx/xx.xx.xx.x:8050
> 18/02/16 11:02:31 INFO client.AHSProxy: Connecting to Application History
> server at xxx/xx.xx.xx.x:10200
> 18/02/16 11:02:31 INFO util.log: Logging initialized @2075ms
> yesha-sleeper Failed : HTTP error code : 404
> {code}
> Yarn should be able to notify user that whether a certain app is destroyed or
> never created. HTTP 404 error does not explicitly provide information.
>
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