Christian Hott created YARN-3228:

             Summary: Deadlock altering user resource queue
                 Key: YARN-3228
             Project: Hadoop YARN
          Issue Type: Bug
          Components: capacityscheduler, resourcemanager, scheduler
    Affects Versions: 2.0.1-alpha
         Environment: hadoop yarn, postgresql 
            Reporter: Christian Hott
            Priority: Blocker

let me introduce you with my problem:
all of this began after we created some resources queues on postgresql,
well we created it, assign it to the users and all was fine...
until we run a process (a large one iterative query) and I do an Alter Role 
over the user and the resource queue that he was using, before that I can't 
login whit the user and got a message saying "deadlock detection, locking 
against self"
does you have any idea why this for? or if have any comprensible log in to I 
can search for more information?

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