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  1. Jenkins
  2. JENKINS-31768

dead lock while removing computer

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Component/s: core
    • Labels:
    • Environment:
      jenkins v1.634
    • Similar Issues:

      Description

      "Handling POST /configSubmit from 10.160.255.74 : RequestHandlerThread[#17137]":
        waiting for ownable synchronizer 0x00007f3a5d901708, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),
        which is held by "Computer.threadPoolForRemoting [#31767]"
      "Computer.threadPoolForRemoting [#31767]":
        waiting to lock monitor 0x00007f38ce077bc8 (object 0x00007f3a7c8a10c8, a hudson.plugins.ec2.EC2Computer),
        which is held by "Handling POST /configSubmit from 10.160.255.74 : RequestHandlerThread[#17137]"
      
      "Handling POST /configSubmit from 10.160.255.74 : RequestHandlerThread[#17137]":
              at sun.misc.Unsafe.park(Native Method)
              - parking to wait for  <0x00007f3a5d901708> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
              at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
              at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
              at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:870)
              at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1199)
              at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:209)
              at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:285)
              at hudson.model.Queue._withLock(Queue.java:1291)
              at hudson.model.Queue.withLock(Queue.java:1176)
              at hudson.model.Computer.setNumExecutors(Computer.java:837)
              - locked <0x00007f3a7c8a10c8> (a hudson.plugins.ec2.EC2Computer)
              at hudson.model.Computer.kill(Computer.java:792)
              at hudson.slaves.SlaveComputer.kill(SlaveComputer.java:665)
              at hudson.model.AbstractCIBase.killComputer(AbstractCIBase.java:86)
              at hudson.model.AbstractCIBase.updateComputerList(AbstractCIBase.java:205)
              at jenkins.model.Jenkins.updateComputerList(Jenkins.java:1249)
              at jenkins.model.Jenkins.doConfigSubmit(Jenkins.java:2924)
              - locked <0x00007f3a5c073f20> (a hudson.model.Hudson)
      
      "Computer.threadPoolForRemoting [#31767]":
              at hudson.model.Computer.setNumExecutors(Computer.java:830)
              - waiting to lock <0x00007f3a7c8a10c8> (a hudson.plugins.ec2.EC2Computer)
              at hudson.model.Computer.inflictMortalWound(Computer.java:809)
              at hudson.model.AbstractCIBase$2.run(AbstractCIBase.java:199)
              at hudson.model.Queue._withLock(Queue.java:1293)
              at hudson.model.Queue.withLock(Queue.java:1176)
              at hudson.model.AbstractCIBase.updateComputerList(AbstractCIBase.java:169)
              at jenkins.model.Jenkins.updateComputerList(Jenkins.java:1249)
              at jenkins.model.Nodes$2.run(Nodes.java:136)
              at hudson.model.Queue._withLock(Queue.java:1293)
              at hudson.model.Queue.withLock(Queue.java:1176)
              at jenkins.model.Nodes.addNode(Nodes.java:132)
              at jenkins.model.Jenkins.addNode(Jenkins.java:1744)
      

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            • Assignee:
              Unassigned
              Reporter:
              fengxx Ted
            • Votes:
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              Watchers:
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              Dates

              • Created:
                Updated:
                Resolved: