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https://issues.apache.org/jira/browse/YARN-10310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136349#comment-17136349
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Eric Yang commented on YARN-10310:
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[~BilwaST] Without the patch, I was unable to resubmit app with the same name
twice. If you deleted service json from hdfs, you are allowed to submit the
app again. I think this is working as designed. The check is happening based
on data on hdfs rather than what is in resource manager memory. This is safer
to prevent data loss in case resource manager crashes. In my system
hdfs/[email protected] mapped to hdfs user principal. It appears that your
side didn't. I am not sure how the difference happens, and may need more
information.
> 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/[email protected]. below condition fails
> ClientRMService#getApplications()
> {code:java}
> if (users != null && !users.isEmpty() &&
> !users.contains(application.getUser())) {
> continue;
> }
> {code}
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