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https://issues.apache.org/jira/browse/YARN-8316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16489730#comment-16489730
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Eric Yang commented on YARN-8316:
---------------------------------
+1 looks good to me.
> Diagnostic message should improve when yarn service fails to launch due to
> ATS unavailability
> ---------------------------------------------------------------------------------------------
>
> Key: YARN-8316
> URL: https://issues.apache.org/jira/browse/YARN-8316
> Project: Hadoop YARN
> Issue Type: Bug
> Components: yarn-native-services
> Affects Versions: 3.1.0
> Reporter: Yesha Vora
> Assignee: Billie Rinaldi
> Priority: Major
> Attachments: YARN-8316.001.patch
>
>
> Scenario:
> 1) shutdown ATS
> 2) launch yarn service.
> yarn service launch cmd fails with below stack trace. There is no diagnostic
> message available in response.
> {code:java}
> bash-4.2$ yarn app -launch hbase-sec /tmp/hbase-secure.yar
> WARNING: YARN_LOGFILE has been replaced by HADOOP_LOGFILE.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 WARNING: YARN_PID_DIR has been replaced by HADOOP_PID_DIR.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.
> 18/05/17 13:24:43 INFO client.RMProxy: Connecting to ResourceManager at
> xxx/xxx:8050
> 18/05/17 13:24:44 INFO client.AHSProxy: Connecting to Application History
> server at localhost/xxx:10200
> 18/05/17 13:24:44 INFO client.RMProxy: Connecting to ResourceManager at
> xxx/xxx:8050
> 18/05/17 13:24:44 INFO client.AHSProxy: Connecting to Application History
> server at localhost/127.0.0.1:10200
> 18/05/17 13:24:44 INFO client.ApiServiceClient: Loading service definition
> from local FS: /tmp/hbase-secure.yar
> 18/05/17 13:26:06 ERROR client.ApiServiceClient:
> bash-4.2$ echo $?
> 56{code}
> The Error message should provide ConnectionRefused exception.
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