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https://issues.apache.org/jira/browse/YARN-9920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prabhu Joseph updated YARN-9920:
--------------------------------
    Component/s: security
                 fairscheduler

> YarnAuthorizationProvider AccessRequest has Null RemoteAddress in case of 
> FairScheduler
> ---------------------------------------------------------------------------------------
>
>                 Key: YARN-9920
>                 URL: https://issues.apache.org/jira/browse/YARN-9920
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler, security
>    Affects Versions: 3.3.0
>            Reporter: Prabhu Joseph
>            Assignee: Prabhu Joseph
>            Priority: Major
>
> YarnAuthorizationProvider AccessRequest has Null RemoteAddress in case of 
> FairScheduler. FSQueue#hasAccess uses Server.getRemoteAddress() which will be 
> Null when the call is from RMWebServices and EventDispatcher. It works fine 
> when called by IPC Server Handler.
> FSQueue#hasAccess is called at three places where (2) and (3) returns NULL.
> *1. IPC Server -> RMAppManager#createAndPopulateNewRMApp -> FSQueue#hasAccess 
> -> Server.getRemoteAddress returns correct Remote IP.*
>  
> *2. IPC Server -> RMAppManager#createAndPopulateNewRMApp -> 
> AppAddedSchedulerEvent*
>     *EventDispatcher -> FairScheduler#addApplication -> FSQueue.hasAccess -> 
> Server.getRemoteAddress returns NULL*
>   
> {code:java}
> org.apache.hadoop.yarn.security.ConfiguredYarnAuthorizer.checkPermission(ConfiguredYarnAuthorizer.java:101)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueue.hasAccess(FSQueue.java:316)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.addApplication(FairScheduler.java:509)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:1268)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.handle(FairScheduler.java:133)
>         at 
> org.apache.hadoop.yarn.event.EventDispatcher$EventProcessor.run(EventDispatcher.java:66)
> {code}
>  
> *3. RMWebServices -> QueueACLsManager#checkAccess -> FSQueue.hasAccess -> 
> Server.getRemoteAddress returns NULL.*
> {code:java}
> org.apache.hadoop.yarn.security.ConfiguredYarnAuthorizer.checkPermission(ConfiguredYarnAuthorizer.java:101)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueue.hasAccess(FSQueue.java:316)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.checkAccess(FairScheduler.java:1610)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.security.QueueACLsManager.checkAccess(QueueACLsManager.java:84)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWebServices.hasAccess(RMWebServices.java:270)
>         at 
> org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWebServices.getApps(RMWebServices.java:553)
> {code}
>  
> Have verified with CapacityScheduler and it works fine.



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