pipeline {
agent { label ‘non-existing’ }
stages {
stage('build') {
steps {
sh ‘echo Hello’
}
}
}
}
- Trigger above pipeline build, it'll be put into Build Queue
- Restart Jenkins service: sudo systemctl restart jenkins
- Now, from Jenkins logs, it got stuck at
2021-12-15 02:56:49.087+0000 [id=248] WARNING j.m.api.Metrics$HealthChecker#execute: Some health checks are reporting as unhealthy: [thread-deadlock : [jenkins.util.Timer [#8] locked on hudson.model.RunMap@206de104 (owned by pool-21-thread-1):
at jenkins.model.lazy.AbstractLazyLoadRunMap.getByNumber(AbstractLazyLoadRunMap.java:376)
at jenkins.model.lazy.LazyBuildMixIn.getBuildByNumber(LazyBuildMixIn.java:228)
at org.jenkinsci.plugins.workflow.job.WorkflowJob.getBuildByNumber(WorkflowJob.java:233)
at org.jenkinsci.plugins.workflow.job.WorkflowJob.getBuildByNumber(WorkflowJob.java:104)
at hudson.model.Run.fromExternalizableId(Run.java:2483)
at org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution$PlaceholderTask.runForDisplay(ExecutorStepExecution.java:527)
at org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution$PlaceholderTask.getCauseOfBlockage(ExecutorStepExecution.java:425)
at hudson.model.Queue.getCauseOfBlockageForTask(Queue.java:1236)
at hudson.model.Queue.getCauseOfBlockageForItem(Queue.java:1193)
at hudson.model.Queue.maintain(Queue.java:1601)
at hudson.model.Queue$MaintainTask.doRun(Queue.java:2944)
at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:90)
at
jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:67)
at java...@11.0.10/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java...@11.0.10/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
at java...@11.0.10/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
at java...@11.0.10/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java...@11.0.10/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java...@11.0.10/java.lang.Thread.run(Thread.java:834)
, pool-21-thread-1 locked on java.util.concurrent.locks.ReentrantLock$NonfairSync@2eaa1aa1 (owned by jenkins.util.Timer [#8]):
at java...@11.0.10/jdk.internal.misc.Unsafe.park(Native Method)
at java...@11.0.10/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
at java...@11.0.10/java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:885)
at java...@11.0.10/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:917)
at java...@11.0.10/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1240)
at java...@11.0.10/java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:267)
at hudson.model.Queue.schedule2(Queue.java:567)
at hudson.model.Queue.schedule2(Queue.java:693)
at org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution.start(ExecutorStepExecution.java:104)
at org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution.onResume(ExecutorStepExecution.java:210)
at org.jenkinsci.plugins.workflow.flow.FlowExecutionList$ResumeStepExecutionListener$1.onSuccess(FlowExecutionList.java:265)
at org.jenkinsci.plugins.workflow.flow.FlowExecutionList$ResumeStepExecutionListener$1.onSuccess(FlowExecutionList.java:243)
at com.google.common.util.concurrent.Futures$6.run(Futures.java:975)
at org.jenkinsci.plugins.workflow.flow.DirectExecutor.execute(DirectExecutor.java:33)
at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
at com.google.common.util.concurrent.Futures.addCallback(Futures.java:985)
at org.jenkinsci.plugins.workflow.flow.FlowExecutionList$ResumeStepExecutionListener.onResumed(FlowExecutionList.java:243)
at org.jenkinsci.plugins.workflow.flow.FlowExecutionListener.fireResumed(FlowExecutionListener.java:84)
at org.jenkinsci.plugins.workflow.job.WorkflowRun.onLoad(WorkflowRun.java:567)
at hudson.model.RunMap.retrieve(RunMap.java:226)
at hudson.model.RunMap.retrieve(RunMap.java:58)
at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:506)
at jenkins.model.lazy.AbstractLazyLoadRunMap.load(AbstractLazyLoadRunMap.java:488)
at jenkins.model.lazy.AbstractLazyLoadRunMap.getByNumber(AbstractLazyLoadRunMap.java:386)
at hudson.model.RunMap.getById(RunMap.java:206)
at org.jenkinsci.plugins.workflow.job.WorkflowRun$Owner.run(WorkflowRun.java:948)
at org.jenkinsci.plugins.workflow.job.WorkflowRun$Owner.get(WorkflowRun.java:959)
at org.jenkinsci.plugins.workflow.cps.CpsStepContext.getExecution(CpsStepContext.java:217)
at org.jenkinsci.plugins.workflow.cps.CpsStepContext.getThreadGroupSynchronously(CpsStepContext.java:242)
at org.jenkinsci.plugins.workflow.cps.CpsStepContext.getThreadSynchronously(CpsStepContext.java:236)
at org.jenkinsci.plugins.workflow.cps.CpsStepContext.doGet(CpsStepContext.java:293)
at org.jenkinsci.plugins.workflow.support.DefaultStepContext.get(DefaultStepContext.java:75)
at org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution$PlaceholderTask.getNode(ExecutorStepExecution.java:378)
at org.datadog.jenkins.plugins.datadog.listeners.DatadogQueueListener.lambda$getNodeAsync$0(DatadogQueueListener.java:141)
at org.datadog.jenkins.plugins.datadog.listeners.DatadogQueueListener$$Lambda$579/0x00000008410b9040.call(Unknown Source)
at java...@11.0.10/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java...@11.0.10/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java...@11.0.10/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java...@11.0.10/java.lang.Thread.run(Thread.java:834)
, Jenkins initialization thread locked on java.util.concurrent.locks.ReentrantLock$NonfairSync@2eaa1aa1 (owned by jenkins.util.Timer [#8]):
at java...@11.0.10/jdk.internal.misc.Unsafe.park(Native Method)
at java...@11.0.10/java.util.concurrent.locks.LockSupport.park(LockSupport.java:194)
at java...@11.0.10/java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:885)
at java...@11.0.10/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:917)
at java...@11.0.10/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1240)
at java...@11.0.10/java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:267)
at hudson.model.Queue._withLock(Queue.java:1388)
at hudson.model.Queue.withLock(Queue.java:1266)
at hudson.model.AbstractCIBase.updateComputerList(AbstractCIBase.java:241)
at jenkins.model.Jenkins.updateComputerList(Jenkins.java:1661)
at jenkins.model.Jenkins.<init>(Jenkins.java:1008)
at hudson.model.Hudson.<init>(Hudson.java:85)
at hudson.model.Hudson.<init>(Hudson.java:81)
at hudson.WebAppMain$3.run(WebAppMain.java:298)