Oct 04, 2018 4:34:47 PM jenkins.metrics.api.Metrics$HealthChecker execute
WARNING: Some health checks are reporting as unhealthy: [thread-deadlock : [jenkins.util.Timer [#8] locked on hudson.plugins.ec2.AmazonEC2Cloud@61f05bdb (owned by jenkins.util.Timer [#9]):
at hudson.plugins.ec2.EC2Cloud.connect(EC2Cloud.java:673)
at hudson.plugins.ec2.EC2AbstractSlave.stop(EC2AbstractSlave.java:314)
at hudson.plugins.ec2.EC2AbstractSlave.idleTimeout(EC2AbstractSlave.java:362)
at hudson.plugins.ec2.EC2RetentionStrategy.internalCheck(EC2RetentionStrategy.java:126)
at hudson.plugins.ec2.EC2RetentionStrategy.check(EC2RetentionStrategy.java:88)
at hudson.plugins.ec2.EC2RetentionStrategy.check(EC2RetentionStrategy.java:46)
at hudson.slaves.ComputerRetentionWork$1.run(ComputerRetentionWork.java:72)
at hudson.model.Queue._withLock(Queue.java:1380)
at hudson.model.Queue.withLock(Queue.java:1257)
at hudson.slaves.ComputerRetentionWork.doRun(ComputerRetentionWork.java:63)
at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:72)
at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
, jenkins.util.Timer [#9] locked on java.util.concurrent.locks.ReentrantLock$NonfairSync@731b93cc (owned by jenkins.util.Timer [#8]):
at sun.misc.Unsafe.park(Native Method)
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$NonfairSync.lock(ReentrantLock.java:209)
at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:285)
at hudson.model.Queue._withLock(Queue.java:1437)
at hudson.model.Queue.withLock(Queue.java:1300)
at jenkins.model.Nodes.updateNode(Nodes.java:193)
at jenkins.model.Jenkins.updateNode(Jenkins.java:2077)
at hudson.model.Node.save(Node.java:140)
at hudson.util.PersistedList.onModified(PersistedList.java:173)
at hudson.util.PersistedList.replaceBy(PersistedList.java:85)
at hudson.model.Slave.<init>(Slave.java:198)
at hudson.plugins.ec2.EC2AbstractSlave.<init>(EC2AbstractSlave.java:134)
at hudson.plugins.ec2.EC2OndemandSlave.<init>(EC2OndemandSlave.java:49)
at hudson.plugins.ec2.EC2OndemandSlave.<init>(EC2OndemandSlave.java:42)
at hudson.plugins.ec2.SlaveTemplate.newOndemandSlave(SlaveTemplate.java:918)
at hudson.plugins.ec2.SlaveTemplate.toSlaves(SlaveTemplate.java:624)
at hudson.plugins.ec2.SlaveTemplate.provisionOndemand(SlaveTemplate.java:596)
at hudson.plugins.ec2.SlaveTemplate.provision(SlaveTemplate.java:432)
at hudson.plugins.ec2.EC2Cloud.getNewOrExistingAvailableSlave(EC2Cloud.java:544)
at hudson.plugins.ec2.EC2Cloud.provision(EC2Cloud.java:559)
at hudson.slaves.NodeProvisioner$StandardStrategyImpl.apply(NodeProvisioner.java:715)
at hudson.slaves.NodeProvisioner.update(NodeProvisioner.java:320)
at hudson.slaves.NodeProvisioner.access$000(NodeProvisioner.java:61)
at hudson.slaves.NodeProvisioner$NodeProvisionerInvoker.doRun(NodeProvisioner.java:809)
at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:72)
at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
]]
