Hey, I got the same error and tried to change the queue mapping as shown in the reply. The exception still persists. Is there any other configuration in capacity scheduler that I am missing? org.apache.hadoop.yarn.exceptions.YarnException: Failed to submit application_1523981307991_0009 to YARN : Application application_1523981307991_0009 submitted by user hadoop to unknown queue: Queue1 <property> <name>yarn.scheduler.capacity.queue-mappings</name> <value>u:user1:queue1,g:group1:queue2,u:%user:%user,u:user2:%primary_group</value> <description> Here, <user1> is mapped to <queue1>, <group1> is mapped to <queue2>, maps users to queues with the same name as user, <user2> is mapped to queue name same as <primary group> respectively. The mappings will be evaluated from left to right, and the first valid mapping will be used. </description> </property> ... View more