我们在Windows机器上使用Adobe AEM。 我们的Author实例变得很慢，并且我们尝试使用该命令尝试进行线程转储 jstack.exe pid＆gt;输出文件
问题是此命令的输出始终不相同。 以下是获得的两种不同输出。
这个几乎没有给出关于哪个线程被阻止的任何信息
Deadlock Detection:
No deadlocks found.
Thread 636: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be imprecise)
- java.lang.Object.wait() @bci=2, line=503 (Interpreted frame)
- org.apache.sling.event.impl.jobs.queues.TopicRoundRobinJobQueue.take() @bci=32, line=98 (Interpreted frame)
- org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue() @bci=14, line=454 (Compiled frame)
- org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(org.apache.sling.event.impl.jobs.queues.AbstractJobQueue) @bci=1, line=50 (Interpreted frame)
- org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run() @bci=56, line=137 (Interpreted frame)
- java.lang.Thread.run() @bci=11, line=722 (Interpreted frame)
Thread 635: (state = BLOCKED)
- sun.misc.Unsafe.park(boolean, long) @bci=0 (Compiled frame; information may be imprecise)
- java.util.concurrent.locks.LockSupport.park(java.lang.Object) @bci=14, line=186 (Compiled frame)
- java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() @bci=42, line=2043 (Compiled frame)
- java.util.concurrent.LinkedBlockingQueue.take() @bci=29, line=442 (Compiled frame)
- java.util.concurrent.ThreadPoolExecutor.getTask() @bci=156, line=1068 (Compiled frame)
- java.util.concurrent.ThreadPoolExecutor.runWorker(java.util.concurrent.ThreadPoolExecutor$Worker) @bci=26, line=1130 (Interpreted frame)
- java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=5, line=615 (Interpreted frame)
- java.lang.Thread.run() @bci=11, line=722 (Interpreted frame)
Thread 634: (state = BLOCKED)
- sun.misc.Unsafe.park(boolean, long) @bci=0 (Compiled frame; information may be imprecise)
- java.util.concurrent.locks.LockSupport.park(java.lang.Object) @bci=14, line=186 (Compiled frame)
- java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() @bci=42, line=2043 (Compiled frame)
- java.util.concurrent.LinkedBlockingQueue.take() @bci=29, line=442 (Compiled frame)
- java.util.concurrent.ThreadPoolExecutor.getTask() @bci=156, line=1068 (Compiled frame)
- java.util.concurrent.ThreadPoolExecutor.runWorker(java.util.concurrent.ThreadPoolExecutor$Worker) @bci=26, line=1130 (Interpreted frame)
- java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=5, line=615 (Interpreted frame)
- java.lang.Thread.run() @bci=11, line=722 (Interpreted frame)
Thread 633: (state = BLOCKED)
- sun.misc.Unsafe.park(boolean, long) @bci=0 (Compiled frame; information may be imprecise)
- java.util.concurrent.locks.LockSupport.park(java.lang.Object) @bci=14, line=186 (Compiled frame)
- java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await() @bci=42, line=2043 (Compiled frame)
- java.util.concurrent.LinkedBlockingQueue.take() @bci=29, line=442 (Compiled frame)
- java.util.concurrent.ThreadPoolExecutor.getTask() @bci=156, line=1068 (Compiled frame)
- java.util.concurrent.ThreadPoolExecutor.runWorker(java.util.concurrent.ThreadPoolExecutor$Worker) @bci=26, line=1130 (Interpreted frame)
- java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=5, line=615 (Interpreted frame)
- java.lang.Thread.run() @bci=11, line=722 (Interpreted frame)
以下是第二个输出
2015-03-12 11:53:07
Full thread dump Java HotSpot(TM) 64-Bit Server VM (23.7-b01 mixed mode):
"Thread-49205" daemon prio=6 tid=0x000000002cc69000 nid=0x1c48 in Object.wait() [0x000000004925f000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at EDU.oswego.cs.dl.util.concurrent.LinkedQueue.poll(Unknown Source)
- locked <0x000000061148ca10> (a java.lang.Object)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor.getTask(Unknown Source)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Thread-49203" daemon prio=6 tid=0x000000002cc69800 nid=0x1f90 in Object.wait() [0x0000000048e5f000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at EDU.oswego.cs.dl.util.concurrent.LinkedQueue.poll(Unknown Source)
- locked <0x000000061148ca10> (a java.lang.Object)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor.getTask(Unknown Source)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Thread-49202" daemon prio=6 tid=0x000000002cc6c000 nid=0x9c0 waiting for monitor entry [0x000000004835f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at com.day.cq.audit.impl.DefaultAuditLog.internalAdd(DefaultAuditLog.java:208)
- waiting to lock <0x0000000625c66710> (a com.day.cq.audit.impl.DefaultAuditLog)
at com.day.cq.audit.impl.DefaultAuditLog.add(DefaultAuditLog.java:203)
at com.day.cq.wcm.core.impl.event.PageEventAuditListener.handleEvent(PageEventAuditListener.java:91)
at org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:315)
at org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks.execute(SyncDeliverTasks.java:117)
at org.apache.felix.eventadmin.impl.tasks.AsyncDeliverTasks$TaskExecuter.run(AsyncDeliverTasks.java:109)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Thread-49200" daemon prio=6 tid=0x000000002cc6d800 nid=0x1a34 in Object.wait() [0x0000000048d5f000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at EDU.oswego.cs.dl.util.concurrent.LinkedQueue.poll(Unknown Source)
- locked <0x000000061148ca10> (a java.lang.Object)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor.getTask(Unknown Source)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Thread-49168" daemon prio=6 tid=0x000000002cc67800 nid=0x1ca0 in Object.wait() [0x000000004ac5f000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at EDU.oswego.cs.dl.util.concurrent.LinkedQueue.poll(Unknown Source)
- locked <0x000000061148ca10> (a java.lang.Object)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor.getTask(Unknown Source)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Thread-49166" daemon prio=6 tid=0x000000002cc6c800 nid=0x1ed0 waiting for monitor entry [0x000000004965f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at com.day.cq.audit.impl.DefaultAuditLog.internalAdd(DefaultAuditLog.java:208)
- waiting to lock <0x0000000625c66710> (a com.day.cq.audit.impl.DefaultAuditLog)
at com.day.cq.audit.impl.DefaultAuditLog.add(DefaultAuditLog.java:203)
at com.day.cq.wcm.core.impl.event.PageEventAuditListener.handleEvent(PageEventAuditListener.java:91)
at org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:315)
at org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks.execute(SyncDeliverTasks.java:117)
at org.apache.felix.eventadmin.impl.tasks.AsyncDeliverTasks$TaskExecuter.run(AsyncDeliverTasks.java:109)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Thread-49121" daemon prio=6 tid=0x000000002cc6f000 nid=0x19f8 waiting for monitor entry [0x000000004935f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at com.day.cq.audit.impl.DefaultAuditLog.internalAdd(DefaultAuditLog.java:208)
- waiting to lock <0x0000000625c66710> (a com.day.cq.audit.impl.DefaultAuditLog)
at com.day.cq.audit.impl.DefaultAuditLog.add(DefaultAuditLog.java:203)
at com.day.cq.wcm.core.impl.event.PageEventAuditListener.handleEvent(PageEventAuditListener.java:91)
at org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:315)
at org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks.execute(SyncDeliverTasks.java:117)
at org.apache.felix.eventadmin.impl.tasks.AsyncDeliverTasks$TaskExecuter.run(AsyncDeliverTasks.java:109)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Thread-49111" daemon prio=6 tid=0x000000002cc6b000 nid=0x21d8 waiting for monitor entry [0x0000000048f5f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at com.day.cq.audit.impl.DefaultAuditLog.internalAdd(DefaultAuditLog.java:208)
- waiting to lock <0x0000000625c66710> (a com.day.cq.audit.impl.DefaultAuditLog)
at com.day.cq.audit.impl.DefaultAuditLog.add(DefaultAuditLog.java:203)
at com.day.cq.wcm.core.impl.event.PageEventAuditListener.handleEvent(PageEventAuditListener.java:91)
at org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:315)
at org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks.execute(SyncDeliverTasks.java:117)
at org.apache.felix.eventadmin.impl.tasks.AsyncDeliverTasks$TaskExecuter.run(AsyncDeliverTasks.java:109)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Thread-49109" daemon prio=6 tid=0x000000002cc6a800 nid=0x18ac waiting for monitor entry [0x000000004875f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at com.day.cq.audit.impl.DefaultAuditLog.internalAdd(DefaultAuditLog.java:208)
- waiting to lock <0x0000000625c66710> (a com.day.cq.audit.impl.DefaultAuditLog)
at com.day.cq.audit.impl.DefaultAuditLog.add(DefaultAuditLog.java:203)
at com.day.cq.wcm.core.impl.event.PageEventAuditListener.handleEvent(PageEventAuditListener.java:91)
at org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:315)
at org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks.execute(SyncDeliverTasks.java:117)
at org.apache.felix.eventadmin.impl.tasks.AsyncDeliverTasks$TaskExecuter.run(AsyncDeliverTasks.java:109)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Thread-48974" daemon prio=6 tid=0x000000002cc68000 nid=0x1f84 in Object.wait() [0x000000004945e000]
java.lang.Thread.State: BLOCKED (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at EDU.oswego.cs.dl.util.concurrent.WriterPreferenceReadWriteLock$WriterLock.acquire(Unknown Source)
- locked <0x0000000613135e20> (a EDU.oswego.cs.dl.util.concurrent.WriterPreferenceReadWriteLock$WriterLock)
at org.apache.jackrabbit.core.journal.AbstractJournal.internalLockAndSync(AbstractJournal.java:295)
at org.apache.jackrabbit.core.journal.AbstractJournal.lockAndSync(AbstractJournal.java:284)
at org.apache.jackrabbit.core.journal.DefaultRecordProducer.append(DefaultRecordProducer.java:51)
at org.apache.jackrabbit.core.cluster.ClusterNode$WorkspaceUpdateChannel.updateCreated(ClusterNode.java:599)
at org.apache.jackrabbit.core.state.SharedItemStateManager$Update.begin(SharedItemStateManager.java:565)
at org.apache.jackrabbit.core.state.SharedItemStateManager.beginUpdate(SharedItemStateManager.java:1462)
at org.apache.jackrabbit.core.state.SharedItemStateManager.update(SharedItemStateManager.java:1492)
at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:400)
at org.apache.jackrabbit.core.state.XAItemStateManager.update(XAItemStateManager.java:354)
at org.apache.jackrabbit.core.state.LocalItemStateManager.update(LocalItemStateManager.java:375)
at org.apache.jackrabbit.core.state.SessionItemStateManager.update(SessionItemStateManager.java:275)
at org.apache.jackrabbit.core.ItemSaveOperation.perform(ItemSaveOperation.java:258)
at org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:91)
at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:329)
at org.apache.jackrabbit.core.session.SessionSaveOperation.perform(SessionSaveOperation.java:64)
at org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
at org.apache.jackrabbit.core.SessionImpl.perform(SessionImpl.java:361)
at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:812)
at com.day.crx.core.CRXSessionImpl.save(CRXSessionImpl.java:131)
at com.day.cq.audit.impl.DefaultAuditLog.internalAdd(DefaultAuditLog.java:215)
- locked <0x0000000625c66710> (a com.day.cq.audit.impl.DefaultAuditLog)
at com.day.cq.audit.impl.DefaultAuditLog.add(DefaultAuditLog.java:203)
at com.day.cq.wcm.core.impl.event.PageEventAuditListener.handleEvent(PageEventAuditListener.java:91)
at org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:315)
at org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks.execute(SyncDeliverTasks.java:117)
at org.apache.felix.eventadmin.impl.tasks.AsyncDeliverTasks$TaskExecuter.run(AsyncDeliverTasks.java:109)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue CQ Workflows" daemon prio=6 tid=0x000000002cc6e000 nid=0x1db8 waiting for monitor entry [0x0000000048b5f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.sling.event.impl.jobs.jcr.PersistenceHandler.lock(PersistenceHandler.java:1080)
- waiting to lock <0x0000000613341df0> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.jcr.JCRJobEvent.lock(JCRJobEvent.java:39)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.executeJob(AbstractJobQueue.java:473)
at org.apache.sling.event.impl.jobs.queues.AbstractParallelJobQueue.start(AbstractParallelJobQueue.java:64)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:461)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue CQ Workflows" daemon prio=6 tid=0x000000002cc66000 nid=0x1b50 in Object.wait() [0x000000004ab5f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at org.apache.sling.event.impl.jobs.queues.TopicRoundRobinJobQueue.take(TopicRoundRobinJobQueue.java:98)
- locked <0x000000066bdaf770> (a java.util.HashMap)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:454)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue com/day/cq/replication/job/flush8" daemon prio=6 tid=0x0000000020dc5000 nid=0x2070 in Object.wait() [0x000000004aa5f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at org.apache.sling.event.impl.jobs.queues.OrderedJobQueue.start(OrderedJobQueue.java:72)
- locked <0x000000066ab02158> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:461)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue com/day/cq/replication/job/flush7" daemon prio=6 tid=0x0000000020dc6800 nid=0x15d0 waiting for monitor entry [0x000000004a15f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.sling.event.impl.jobs.jcr.PersistenceHandler.lock(PersistenceHandler.java:1080)
- waiting to lock <0x0000000613341df0> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.jcr.JCRJobEvent.lock(JCRJobEvent.java:39)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.executeJob(AbstractJobQueue.java:473)
at org.apache.sling.event.impl.jobs.queues.OrderedJobQueue.start(OrderedJobQueue.java:67)
- locked <0x000000066ab004d8> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:461)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue com/day/cq/replication/job/flush6" daemon prio=6 tid=0x0000000020dbb800 nid=0x1414 waiting for monitor entry [0x000000004a05f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.sling.event.impl.jobs.jcr.PersistenceHandler.lock(PersistenceHandler.java:1080)
- waiting to lock <0x0000000613341df0> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.jcr.JCRJobEvent.lock(JCRJobEvent.java:39)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.executeJob(AbstractJobQueue.java:473)
at org.apache.sling.event.impl.jobs.queues.OrderedJobQueue.start(OrderedJobQueue.java:67)
- locked <0x000000066ab00218> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:461)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue com/day/cq/replication/job/flush5" daemon prio=6 tid=0x0000000020dcc800 nid=0x1d18 in Object.wait() [0x0000000049f5f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at org.apache.sling.event.impl.jobs.queues.OrderedJobQueue.start(OrderedJobQueue.java:72)
- locked <0x000000066aafff58> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:461)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue com/day/cq/replication/job/flush4" daemon prio=6 tid=0x0000000020db8000 nid=0x1230 in Object.wait() [0x0000000049e5f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at org.apache.sling.event.impl.jobs.queues.OrderedJobQueue.start(OrderedJobQueue.java:72)
- locked <0x000000066ab44ea8> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:461)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue com/day/cq/replication/job/flush3" daemon prio=6 tid=0x0000000020dc2000 nid=0x1b6c waiting for monitor entry [0x0000000049d5f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.sling.event.impl.jobs.jcr.PersistenceHandler.lock(PersistenceHandler.java:1080)
- waiting to lock <0x0000000613341df0> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.jcr.JCRJobEvent.lock(JCRJobEvent.java:39)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.executeJob(AbstractJobQueue.java:473)
at org.apache.sling.event.impl.jobs.queues.OrderedJobQueue.start(OrderedJobQueue.java:67)
- locked <0x000000066ab451a8> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:461)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue com/day/cq/replication/job/flush2" daemon prio=6 tid=0x0000000020db6800 nid=0x1fb0 in Object.wait() [0x0000000049c5f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:503)
at org.apache.sling.event.impl.jobs.queues.OrderedJobQueue.start(OrderedJobQueue.java:72)
- locked <0x000000066ab01828> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:461)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
"Apache Sling Job Queue com/day/cq/replication/job/flush12" daemon prio=6 tid=0x0000000020dc0000 nid=0x1594 waiting for monitor entry [0x0000000049b5f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.sling.event.impl.jobs.jcr.PersistenceHandler.lock(PersistenceHandler.java:1080)
- waiting to lock <0x0000000613341df0> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.jcr.JCRJobEvent.lock(JCRJobEvent.java:39)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.executeJob(AbstractJobQueue.java:473)
at org.apache.sling.event.impl.jobs.queues.OrderedJobQueue.start(OrderedJobQueue.java:67)
- locked <0x000000066ab01568> (a java.lang.Object)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.runJobQueue(AbstractJobQueue.java:461)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue.access$000(AbstractJobQueue.java:50)
at org.apache.sling.event.impl.jobs.queues.AbstractJobQueue$1.run(AbstractJobQueue.java:137)
at java.lang.Thread.run(Thread.java:722)
想要了解为什么2种不同的输出。 此外，第二个输出在线程转储分析器等工具中提供了非常具有描述性的摘要。
答案 0 :(得分：1)
您观察到的差异是正常和强制 jstack格式之间的差异。至少在使用HotSpot的jstack实现时，需要-F选项明确请求强制格式。它用于无法获取 normal threaddump的情况，因为应用程序没有响应。 强制模式使用不同的机制来获取至少一些数据，因此它错过了很多重要信息。
如果我正确理解了这个问题，那个特定的jstack实现会自动选择输出格式，大概是基于应用程序在给定时刻响应的能力。如果可以关闭此文档或使用其他方法获取threaddump，请参阅文档。