Additionally, with the maven plugin 2.2 and older maven (<3.2.1) jobs will deadlock if you use the -T option:

"pool-1-thread-1 for channel" - Thread t@19
java.lang.Thread.State: WAITING
at sun.misc.Unsafe.park(Native Method)

  • parking to wait for <1efa1efa> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:173)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1937)
    at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:370)
    at java.util.concurrent.ExecutorCompletionService.take(ExecutorCompletionService.java:176)
    at org.apache.maven.lifecycle.internal.LifecycleThreadedBuilder.multiThreadedProjectTaskSegmentBuild(LifecycleThreadedBuilder.java:111)
    at org.apache.maven.lifecycle.internal.LifecycleThreadedBuilder.build(LifecycleThreadedBuilder.java:73)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:147)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
    at org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:117)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:600)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:329)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239)
    at org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:178)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:600)
    at hudson.maven.Maven3Builder.call(Maven3Builder.java:134)
    at hudson.maven.Maven3Builder.call(Maven3Builder.java:69)
    at hudson.remoting.UserRequest.perform(UserRequest.java:118)
    at hudson.remoting.UserRequest.perform(UserRequest.java:48)
    at hudson.remoting.Request$2.run(Request.java:328)
    at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:315)
    at java.util.concurrent.FutureTask.run(FutureTask.java:150)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:898)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:920)
    at java.lang.Thread.run(Thread.java:736)

Locked ownable synchronizers:

  • locked <29272927> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
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