[YARN-10234] FS-CS converter: don't enable auto-create queue property for root

• Type: Sub-task
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 3.3.0, 3.4.0
• Fix Version/s: 3.3.0, 3.4.0
• Component/s: fairscheduler
• Target Version/s: 3.3.0, 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Peter Bacsko
• Reporter: Peter Bacsko
• Created: 14/Apr/20 10:00
• Updated: 12/Feb/24 00:04
• Resolved: 15/Apr/20 05:29

Description

The auto-create-child-queue property should not be enabled for root, otherwise it creates an exception inside capacity scheduler.

2020-04-14 09:48:54,117 INFO org.apache.hadoop.ha.ActiveStandbyElector: Trying to re-establish ZK session
2020-04-14 09:48:54,117 ERROR org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Received RMFatalEvent of type TRANSITION_TO_ACTIVE_FAILED, caused by failure to refresh configuration settings: org.apache.hadoop.ha.ServiceFailedException: RefreshAll operation failed
        at org.apache.hadoop.yarn.server.resourcemanager.AdminService.refreshAll(AdminService.java:772)
        at org.apache.hadoop.yarn.server.resourcemanager.AdminService.transitionToActive(AdminService.java:307)
        at org.apache.hadoop.yarn.server.resourcemanager.ActiveStandbyElectorBasedElectorService.becomeActive(ActiveStandbyElectorBasedElectorService.java:144)
        at org.apache.hadoop.ha.ActiveStandbyElector.becomeActive(ActiveStandbyElector.java:896)
        at org.apache.hadoop.ha.ActiveStandbyElector.processResult(ActiveStandbyElector.java:476)
        at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:636)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:510)
Caused by: java.io.IOException: Failed to re-init queues : null
        at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.reinitialize(CapacityScheduler.java:467)
        at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.reinitialize(CapacityScheduler.java:489)
        at org.apache.hadoop.yarn.server.resourcemanager.AdminService.refreshQueues(AdminService.java:430)
        at org.apache.hadoop.yarn.server.resourcemanager.AdminService.refreshAll(AdminService.java:761)
        ... 6 more
Caused by: java.lang.ClassCastException