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https://issues.apache.org/jira/browse/YARN-10310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136269#comment-17136269
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Bilwa S T commented on YARN-10310:
----------------------------------
Hi [~eyang]
Maybe you can delete file from hdfs and launch an app again. You will be
allowed to submit with same name. ie because Service client [send
hdfs/had...@example.com|mailto:send%C2%A0hdfs/had...@example.com] as user
whereas ClientRMService uses hdfs as user.
Whereas with patch , if you launch second app with same name as first app it
will throw Failure to create service, maybe cause by existing instance of
sleeper service.
> YARN Service - User is able to launch a service with same name
> --------------------------------------------------------------
>
> Key: YARN-10310
> URL: https://issues.apache.org/jira/browse/YARN-10310
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Bilwa S T
> Assignee: Bilwa S T
> Priority: Major
> Attachments: YARN-10310.001.patch
>
>
> As ServiceClient uses UserGroupInformation.getCurrentUser().getUserName() to
> get user whereas ClientRMService#submitApplication uses
> UserGroupInformation.getCurrentUser().getShortUserName() to set application
> username.
> In case of user with name hdfs/had...@hadoop.com. below condition fails
> ClientRMService#getApplications()
> {code:java}
> if (users != null && !users.isEmpty() &&
> !users.contains(application.getUser())) {
> continue;
> }
> {code}
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