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  1. POMaven jetty plugin - delay when starting in background mode
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    <p>I start a jetty server on linux using </p> <p><code>nohup mvn jetty:run &amp;</code> </p> <p>to run it in background and to stay when I quit from the console. Usually (mvn jetty:run) it starts in seconds, but in this case it takes about minute to start. What can be the cause of such a delay?</p> <p>Stack trace</p> <pre><code>Full thread dump Java HotSpot(TM) 64-Bit Server VM (11.0-b16 mixed mode): "Attach Listener" daemon prio=10 tid=0x000000004bba8c00 nid=0x560a waiting on condition [0x0000000000000000..0x0000000000000000] java.lang.Thread.State: RUNNABLE "Timer-1" daemon prio=10 tid=0x00002aaac053d800 nid=0x55fb in Object.wait() [0x0000000042392000..0x0000000042392b90] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaaae554f40&gt; (a java.util.TaskQueue) at java.util.TimerThread.mainLoop(Timer.java:509) - locked &lt;0x00002aaaae554f40&gt; (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:462) "StopJettyPluginMonitor" daemon prio=10 tid=0x00002aaac04b4c00 nid=0x55fa runnable [0x0000000042291000..0x0000000042291b10] java.lang.Thread.State: RUNNABLE at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384) - locked &lt;0x00002aaaae453860&gt; (a java.net.SocksSocketImpl) at java.net.ServerSocket.implAccept(ServerSocket.java:453) at java.net.ServerSocket.accept(ServerSocket.java:421) at org.mortbay.jetty.plugin.util.Monitor.run(Monitor.java:74) "Timer-0" daemon prio=10 tid=0x000000004b5cf800 nid=0x55f9 in Object.wait() [0x0000000040c78000..0x0000000040c78a90] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaaaeea00b8&gt; (a java.util.TaskQueue) at java.util.TimerThread.mainLoop(Timer.java:509) - locked &lt;0x00002aaaaeea00b8&gt; (a java.util.TaskQueue) at java.util.TimerThread.run(Timer.java:462) "1455093129@qtp-422797318-1 - Acceptor0 SelectChannelConnector@0.0.0.0:8080" prio=10 tid=0x000000004b6d9800 nid=0x55f7 runnable [0x000000004130c000..0x000000004130ca10] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:215) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:65) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69) - locked &lt;0x00002aaaae44ac10&gt; (a sun.nio.ch.Util$1) - locked &lt;0x00002aaaae44abf8&gt; (a java.util.Collections$UnmodifiableSet) - locked &lt;0x00002aaaae44a588&gt; (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80) at org.mortbay.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:459) at org.mortbay.io.nio.SelectorManager.doSelect(SelectorManager.java:192) at org.mortbay.jetty.nio.SelectChannelConnector.accept(SelectChannelConnector.java:124) at org.mortbay.jetty.AbstractConnector$Acceptor.run(AbstractConnector.java:706) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520) "91446054@qtp-422797318-0" prio=10 tid=0x000000004b621400 nid=0x55f6 in Object.wait() [0x000000004120b000..0x000000004120bd90] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaab1171890&gt; (a org.mortbay.thread.QueuedThreadPool$PoolThread) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:563) - locked &lt;0x00002aaab1171890&gt; (a org.mortbay.thread.QueuedThreadPool$PoolThread) "pool-1-thread-5" prio=10 tid=0x00002aaac15d4c00 nid=0x55f5 in Object.wait() [0x0000000041a4f000..0x0000000041a4fd10] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at java.lang.Object.wait(Object.java:485) at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316) - locked &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575) at java.lang.Thread.run(Thread.java:619) "pool-1-thread-4" prio=10 tid=0x00002aaac0134000 nid=0x55f4 in Object.wait() [0x000000004194e000..0x000000004194ec90] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at java.lang.Object.wait(Object.java:485) at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316) - locked &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575) at java.lang.Thread.run(Thread.java:619) "pool-1-thread-3" prio=10 tid=0x000000004ba72800 nid=0x55f3 in Object.wait() [0x0000000042190000..0x0000000042190c10] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at java.lang.Object.wait(Object.java:485) at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316) - locked &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575) at java.lang.Thread.run(Thread.java:619) "pool-1-thread-2" prio=10 tid=0x000000004b8b6c00 nid=0x55f2 in Object.wait() [0x000000004208f000..0x000000004208fb90] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at java.lang.Object.wait(Object.java:485) at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316) - locked &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575) at java.lang.Thread.run(Thread.java:619) "pool-1-thread-1" prio=10 tid=0x000000004b8b6400 nid=0x55f1 in Object.wait() [0x0000000040415000..0x0000000040415b10] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at java.lang.Object.wait(Object.java:485) at hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:316) - locked &lt;0x00002aaaafff4580&gt; (a hidden.edu.emory.mathcs.backport.java.util.concurrent.LinkedBlockingQueue$SerializableLock) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:994) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1054) at hidden.edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:575) at java.lang.Thread.run(Thread.java:619) "Low Memory Detector" daemon prio=10 tid=0x000000004affd800 nid=0x55eb runnable [0x0000000000000000..0x0000000000000000] java.lang.Thread.State: RUNNABLE "CompilerThread1" daemon prio=10 tid=0x000000004affb800 nid=0x55ea waiting on condition [0x0000000000000000..0x0000000041d8b4d0] java.lang.Thread.State: RUNNABLE "CompilerThread0" daemon prio=10 tid=0x000000004aff7800 nid=0x55e9 waiting on condition [0x0000000000000000..0x0000000041c8a450] java.lang.Thread.State: RUNNABLE "Signal Dispatcher" daemon prio=10 tid=0x000000004aff5c00 nid=0x55e8 runnable [0x0000000000000000..0x0000000041b8a820] java.lang.Thread.State: RUNNABLE "Finalizer" daemon prio=10 tid=0x000000004afd2400 nid=0x55e7 in Object.wait() [0x000000004184d000..0x000000004184db10] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaaafdf0450&gt; (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116) - locked &lt;0x00002aaaafdf0450&gt; (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:132) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159) "Reference Handler" daemon prio=10 tid=0x000000004afd0800 nid=0x55e6 in Object.wait() [0x000000004174c000..0x000000004174ca90] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaaafdf0530&gt; (a java.lang.ref.Reference$Lock) at java.lang.Object.wait(Object.java:485) at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116) - locked &lt;0x00002aaaafdf0530&gt; (a java.lang.ref.Reference$Lock) "main" prio=10 tid=0x000000004af6e000 nid=0x55e4 in Object.wait() [0x000000004072f000..0x0000000040730ed0] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on &lt;0x00002aaab1196b60&gt; (a org.mortbay.thread.QueuedThreadPool$Lock) at java.lang.Object.wait(Object.java:485) at org.mortbay.thread.QueuedThreadPool.join(QueuedThreadPool.java:298) - locked &lt;0x00002aaab1196b60&gt; (a org.mortbay.thread.QueuedThreadPool$Lock) at org.mortbay.jetty.plugin.Jetty6PluginServer.join(Jetty6PluginServer.java:206) at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:461) at org.mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:383) at org.mortbay.jetty.plugin.AbstractJettyRunMojo.execute(AbstractJettyRunMojo.java:210) at org.mortbay.jetty.plugin.Jetty6RunMojo.execute(Jetty6RunMojo.java:184) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:483) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:678) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:553) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:523) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:371) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:332) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:181) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:356) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:41) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) "VM Thread" prio=10 tid=0x000000004afcb000 nid=0x55e5 runnable "VM Periodic Task Thread" prio=10 tid=0x000000004b000000 nid=0x55ec waiting on condition JNI global references: 861 </code></pre>
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