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Posted to log4j-dev@logging.apache.org by "Remko Popma (JIRA)" <ji...@apache.org> on 2017/01/07 14:29:58 UTC
[jira] [Created] (LOG4J2-1772) Build for core module stalls between
unit tests and integration tests
Remko Popma created LOG4J2-1772:
-----------------------------------
Summary: Build for core module stalls between unit tests and integration tests
Key: LOG4J2-1772
URL: https://issues.apache.org/jira/browse/LOG4J2-1772
Project: Log4j 2
Issue Type: Bug
Components: Core
Reporter: Remko Popma
When building with {{mvn clean install}} there is a mysterious multi-minute wait after the unit tests for the core module and before the integration tests.
I took a thread dump but could not find the cause, posting it here in case anyone else has any idea of what may cause this.
{code}
-------------------------------------------------------
T E S T S
-------------------------------------------------------
2017-01-07 23:18:19
Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.51-b03 mixed mode):
"Thread-1236" #2495 daemon prio=5 os_prio=0 tid=0x0000000018792000 nid=0x15b8 runnable [0x000000002660f000]
java.lang.Thread.State: RUNNABLE
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:255)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
- locked <0x00000000f416cf90> (a java.io.InputStreamReader)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at java.io.BufferedReader.fill(BufferedReader.java:161)
at java.io.BufferedReader.readLine(BufferedReader.java:324)
- locked <0x00000000f416cf90> (a java.io.InputStreamReader)
at java.io.BufferedReader.readLine(BufferedReader.java:389)
at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.StreamPumper.run(StreamPumper.java:76)
"Thread-1235" #2494 daemon prio=5 os_prio=0 tid=0x0000000018794000 nid=0x1280 runnable [0x000000002650e000]
java.lang.Thread.State: RUNNABLE
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:255)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
- locked <0x00000000f4167d28> (a java.io.BufferedInputStream)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
- locked <0x00000000f416a338> (a java.io.InputStreamReader)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at java.io.BufferedReader.fill(BufferedReader.java:161)
at java.io.BufferedReader.readLine(BufferedReader.java:324)
- locked <0x00000000f416a338> (a java.io.InputStreamReader)
at java.io.BufferedReader.readLine(BufferedReader.java:389)
at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.StreamPumper.run(StreamPumper.java:76)
"Thread-1234" #2493 daemon prio=5 os_prio=0 tid=0x000000001878f800 nid=0x1bd8 waiting on condition [0x000000002640e000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000f3c42d00> (a java.util.concurrent.Semaphore$NonfairSync)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
at java.util.concurrent.Semaphore.acquire(Semaphore.java:312)
at org.apache.maven.plugin.surefire.booterclient.lazytestprovider.TestLessInputStream.awaitNextCommand(TestLessInputStream.java:156)
at org.apache.maven.plugin.surefire.booterclient.lazytestprovider.TestLessInputStream.beforeNextCommand(TestLessInputStream.java:127)
at org.apache.maven.plugin.surefire.booterclient.lazytestprovider.AbstractCommandStream.read(AbstractCommandStream.java:101)
at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.StreamFeeder.feed(StreamFeeder.java:123)
at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.StreamFeeder.run(StreamFeeder.java:60)
"ThreadedStreamConsumer" #2492 daemon prio=5 os_prio=0 tid=0x0000000018791000 nid=0x3d30 runnable [0x000000002630f000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000f414f6a0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at org.apache.maven.plugin.surefire.booterclient.output.ThreadedStreamConsumer$Pumper.run(ThreadedStreamConsumer.java:66)
at java.lang.Thread.run(Thread.java:745)
"surefire-fork-starter" #2250 daemon prio=5 os_prio=0 tid=0x0000000018790800 nid=0x16d8 runnable [0x000000007cb4e000]
java.lang.Thread.State: RUNNABLE
at java.lang.ProcessImpl.waitForInterruptibly(Native Method)
at java.lang.ProcessImpl.waitFor(ProcessImpl.java:449)
at org.apache.maven.surefire.shade.org.apache.maven.shared.utils.cli.CommandLineUtils$1.call(CommandLineUtils.java:260)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:550)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:460)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.access$400(ForkStarter.java:110)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter$2.call(ForkStarter.java:379)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter$2.call(ForkStarter.java:356)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"ping-timer-10sec" #2248 daemon prio=5 os_prio=0 tid=0x0000000018793800 nid=0x34c8 waiting on condition [0x000000007ca4e000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000fc891ef8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"resolver-5" #90 daemon prio=5 os_prio=0 tid=0x000000001acf6000 nid=0x3678 waiting on condition [0x000000002200e000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000c20f4538> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"resolver-4" #21 daemon prio=5 os_prio=0 tid=0x000000001875c800 nid=0x1314 waiting on condition [0x000000001d7af000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000c20f4538> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"resolver-3" #20 daemon prio=5 os_prio=0 tid=0x0000000019d1a000 nid=0x40b4 waiting on condition [0x000000001d6af000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000c20f4538> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"resolver-2" #19 daemon prio=5 os_prio=0 tid=0x000000001ab6d000 nid=0x4480 waiting on condition [0x000000001d5af000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000c20f4538> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"resolver-1" #18 daemon prio=5 os_prio=0 tid=0x0000000018a9e000 nid=0x2210 waiting on condition [0x000000001d4af000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000c20f4538> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"Service Thread" #9 daemon prio=9 os_prio=0 tid=0x0000000016d40000 nid=0x3ca8 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C1 CompilerThread2" #8 daemon prio=9 os_prio=2 tid=0x00000000155ce000 nid=0x2d50 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" #7 daemon prio=9 os_prio=2 tid=0x00000000155c8000 nid=0x14c4 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" #6 daemon prio=9 os_prio=2 tid=0x000000001557f800 nid=0x1848 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Attach Listener" #5 daemon prio=5 os_prio=2 tid=0x0000000015569800 nid=0x2688 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" #4 daemon prio=9 os_prio=2 tid=0x00000000155c6800 nid=0x35e4 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" #3 daemon prio=8 os_prio=1 tid=0x0000000002f88800 nid=0x11a8 in Object.wait() [0x00000000168bf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
- locked <0x00000000c1f7b0d0> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
"Reference Handler" #2 daemon prio=10 os_prio=2 tid=0x0000000002f7f800 nid=0x15d8 in Object.wait() [0x00000000167bf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
- locked <0x00000000c2059fa0> (a java.lang.ref.Reference$Lock)
"main" #1 prio=5 os_prio=0 tid=0x000000000127d800 nid=0x1bd0 waiting on condition [0x0000000002b1d000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000fc963ee0> (a java.util.concurrent.FutureTask)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429)
at java.util.concurrent.FutureTask.get(FutureTask.java:191)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.awaitResultsDone(ForkStarter.java:409)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.runSuitesForkPerTestSet(ForkStarter.java:391)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:242)
at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:201)
at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1026)
at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:862)
at org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:755)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
"VM Thread" os_prio=2 tid=0x0000000015538000 nid=0x1b94 runnable
"GC task thread#0 (ParallelGC)" os_prio=0 tid=0x0000000002ea7000 nid=0x1b38 runnable
"GC task thread#1 (ParallelGC)" os_prio=0 tid=0x0000000002ea8800 nid=0x814 runnable
"GC task thread#2 (ParallelGC)" os_prio=0 tid=0x0000000002eaa000 nid=0x34d0 runnable
"GC task thread#3 (ParallelGC)" os_prio=0 tid=0x0000000002eab800 nid=0x28a0 runnable
"VM Periodic Task Thread" os_prio=2 tid=0x0000000016d4a000 nid=0x3c34 waiting on condition
JNI global references: 55
2017-01-07 23:18:19Heap
PSYoungGen Full thread dump Java HotSpot(TM) 64-Bit Server VM (25.51-b03 mixed mode): total 249344K, used 160632K
[0x00000000eb380000, 0x00000000fd280000, 0x0000000100000000)
"last-ditch-daemon-shutdown-thread-30sec" #10 daemon prio=5 os_prio=0 tid=0x0000000016cf7000 nid=0x410c waiting on condition [0x00000000173ce000] eden
space 237056K, 62% used java.lang.Thread.State: WAITING (parking) [0x00000000eb380000,0x00000000f4460570,0x00000000f9b00000)
from space 12288K, 99% used
[0x00000000fc680000,0x00000000fd27dcc8,0x00000000fd280000)
to space 20480K, 0% used at sun.misc.Unsafe.park(Native Method) [0x00000000faa80000,0x00000000faa80000,0x00000000fbe80000)
ParOldGen - parking to wait for <0x00000000eb749ff0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) total 82432K, used 40900K
[0x00000000c1a00000, 0x00000000c6a80000, 0x00000000eb380000)
object space 82432K, 49% used at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) [0x00000000c1a00000,0x00000000c41f13b8,0x00000000c6a80000)
Metaspace used 42084K, capacity 43564K, committed 43904K, reserved 1087488K
class space used 4967K, capacity 5447K, committed 5504K, reserved 1048576K
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"Service Thread" #9 daemon prio=9 os_prio=0 tid=0x0000000016c52800 nid=0x36d8 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C1 CompilerThread2" #8 daemon prio=9 os_prio=2 tid=0x00000000154ab800 nid=0x4640 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" #7 daemon prio=9 os_prio=2 tid=0x00000000154a6800 nid=0x3cd4 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" #6 daemon prio=9 os_prio=2 tid=0x00000000154a4800 nid=0x4390 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Attach Listener" #5 daemon prio=5 os_prio=2 tid=0x0000000015460000 nid=0x3880 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" #4 daemon prio=9 os_prio=2 tid=0x000000001545f000 nid=0x3f6c waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" #3 daemon prio=8 os_prio=1 tid=0x0000000015419000 nid=0x1534 in Object.wait() [0x00000000167cf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000000eb386f58> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
- locked <0x00000000eb386f58> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
"Reference Handler" #2 daemon prio=10 os_prio=2 tid=0x0000000002e60800 nid=0x267c in Object.wait() [0x00000000166cf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000000eb386998> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:502)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)
- locked <0x00000000eb386998> (a java.lang.ref.Reference$Lock)
"main" #1 prio=5 os_prio=0 tid=0x000000000100d800 nid=0x69c runnable [0x0000000002d6f000]
java.lang.Thread.State: RUNNABLE
at org.apache.maven.surefire.booter.ForkedBooter.startupMasterProcessReader(ForkedBooter.java:160)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:76)
"VM Thread" os_prio=2 tid=0x0000000015416000 nid=0x37d0 runnable
"GC task thread#0 (ParallelGC)" os_prio=0 tid=0x0000000002d87000 nid=0x288c runnable
"GC task thread#1 (ParallelGC)" os_prio=0 tid=0x0000000002d88800 nid=0x1ab0 runnable
"GC task thread#2 (ParallelGC)" os_prio=0 tid=0x0000000002d8a000 nid=0x1194 runnable
"GC task thread#3 (ParallelGC)" os_prio=0 tid=0x0000000002d8c000 nid=0x4518 runnable
"VM Periodic Task Thread" os_prio=2 tid=0x0000000016c58800 nid=0x1818 waiting on condition
JNI global references: 25
Heap
PSYoungGen total 18944K, used 4253K [0x00000000eb380000, 0x00000000ec880000, 0x0000000100000000)
eden space 16384K, 25% used [0x00000000eb380000,0x00000000eb7a7498,0x00000000ec380000)
from space 2560K, 0% used [0x00000000ec600000,0x00000000ec600000,0x00000000ec880000)
to space 2560K, 0% used [0x00000000ec380000,0x00000000ec380000,0x00000000ec600000)
ParOldGen total 44032K, used 0K [0x00000000c1a00000, 0x00000000c4500000, 0x00000000eb380000)
object space 44032K, 0% used [0x00000000c1a00000,0x00000000c1a00000,0x00000000c4500000)
Metaspace used 3129K, capacity 4552K, committed 4864K, reserved 1056768K
class space used 340K, capacity 388K, committed 512K, reserved 1048576K
{code}
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