ava.util.ConcurrentModificationException(java.util.ConcurrentModificationException
at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1115)
at java.util.TreeMap$KeyIterator.next(TreeMap.java:1169)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.getQueueUserAclInfo(ParentQueue.java:347)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue.getQueueUserAclInfo(ParentQueue.java:348)
at org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.getQueueUserAclInfo(CapacityScheduler.java:850)
at org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getQueueUserAcls(ClientRMService.java:844)
at org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.getQueueUserAcls(ApplicationClientProtocolPBServiceImpl.java:250)
at org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:335)