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https://issues.apache.org/jira/browse/YARN-7955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16381219#comment-16381219
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Hudson commented on YARN-7955:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13742 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13742/])
YARN-7955. Improve result of calling stop on an already stopped service.
(billie: rev 315f48e791790ce56d4f9ed220180aaa00bbc5fa)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/java/org/apache/hadoop/yarn/service/ServiceClientTest.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/main/java/org/apache/hadoop/yarn/service/webapp/ApiServer.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/client/ServiceClient.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services-api/src/test/java/org/apache/hadoop/yarn/service/TestApiServer.java
> Calling stop on an already stopped service says "Successfully stopped service"
> ------------------------------------------------------------------------------
>
> Key: YARN-7955
> URL: https://issues.apache.org/jira/browse/YARN-7955
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: 3.1.0
> Reporter: Gour Saha
> Assignee: Gour Saha
> Priority: Major
> Fix For: 3.2.0
>
> Attachments: YARN-7955.001.patch, YARN-7955.002.patch
>
>
> If you invoke "yarn app -stop <service_name>" on an already stopped service
> it confusingly responds with message "Successfully stopped service
> <service_name>". It should say "Service is already stopped".
> The same is seen with the REST API PUT request with data \{ "state":
> "STOPPED"}, the response is 200 OK and diagnostics with same message
> "Successfully stopped service <service_name>". It should return 400 Bad
> Request with message "Service is already stopped".
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