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https://issues.apache.org/jira/browse/YARN-10310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136352#comment-17136352
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Bilwa S T edited comment on YARN-10310 at 6/16/20, 6:37 AM:
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[~eyang] Actually the verifyNoLiveAppInRM check happens before it checks
service json from hdfs. I think you can compare the behaviour by submitting
with user hdfs and [hdfs/[email protected].|mailto:hdfs/[email protected].]
You can see below code
{code:java}
public ApplicationId actionCreate(Service service)
throws IOException, YarnException {
String serviceName = service.getName();
ServiceApiUtil.validateAndResolveService(service, fs, getConfig());
verifyNoLiveAppInRM(serviceName, "create");
Path appDir = checkAppNotExistOnHdfs(service, false);
// Write the definition first and then submit - AM will read the definition
ServiceApiUtil.createDirAndPersistApp(fs, appDir, service);
ApplicationId appId = submitApp(service);
cachedAppInfo.put(serviceName, new AppInfo(appId, service
.getKerberosPrincipal().getPrincipalName()));
service.setId(appId.toString());
// update app definition with appId
ServiceApiUtil.writeAppDefinition(fs, appDir, service);
return appId;
}
{code}
verifyNoLiveAppInRM is called before checkAppNotExistOnHdfs . so
verifyNoLiveAppInRM should have failed in your case . but it didnt
was (Author: bilwast):
[~eyang] Actually the verifyNoLiveAppInRM check happens before it checks
service json from hdfs. I think you can compare the behaviour by submitting
with user hdfs and hdfs/[email protected].
> 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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