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Posted to dev@felix.apache.org by "David GAY (JIRA)" <ji...@apache.org> on 2009/02/20 14:19:01 UTC
[jira] Created: (FELIX-951) Deadlock in iPojo when stopping Felix
Deadlock in iPojo when stopping Felix
-------------------------------------
Key: FELIX-951
URL: https://issues.apache.org/jira/browse/FELIX-951
Project: Felix
Issue Type: Bug
Components: iPOJO
Affects Versions: iPOJO-1.2.0
Environment: JDK 1.6 / Windows XP
Reporter: David GAY
Priority: Critical
I suspect a deadlock when iPojo register services while Felix framework stopping the bundles (shutdown)
This is the thread dump of the JVM :
Full thread dump Java HotSpot(TM) Client VM (11.0-b16 mixed mode, sharing):
"FelixShutdown" daemon prio=6 tid=0x030ba400 nid=0x1168 in Object.wait() [0x03b1f000..0x03b1fc14]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x230fb080> (a java.lang.Integer)
at java.lang.Object.wait(Object.java:485)
at org.apache.felix.framework.StartLevelImpl.setStartLevelAndWait(StartLevelImpl.java:136)
- locked <0x230fb080> (a java.lang.Integer)
at org.apache.felix.framework.Felix$SystemBundleActivator.run(Felix.java:3876)
at java.lang.Thread.run(Thread.java:619)
"RMI TCP Connection(idle)" daemon prio=6 tid=0x03542800 nid=0x1478 waiting on condition [0x03a7f000..0x03a7fd94]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
"RMI TCP Connection(idle)" daemon prio=6 tid=0x03548800 nid=0x14e0 waiting on condition [0x03a2f000..0x03a2fa14]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
"Prototyper" daemon prio=6 tid=0x030bb400 nid=0x146c in Object.wait() [0x039df000..0x039dfa94]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
at java.lang.Object.wait(Object.java:485)
at org.logicalcobwebs.proxool.PrototyperThread.doWait(PrototyperThread.java:69)
- locked <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
at org.logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:58)
"HouseKeeper" daemon prio=6 tid=0x030c4400 nid=0x14c4 waiting on condition [0x0398f000..0x0398fb14]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at org.logicalcobwebs.proxool.HouseKeeperThread.run(HouseKeeperThread.java:46)
"SelectorThread-9998" daemon prio=6 tid=0x03064400 nid=0x14d8 runnable [0x0353f000..0x0353fb94]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:274)
at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(WindowsSelectorImpl.java:256)
at sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:137)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
- locked <0x23095600> (a sun.nio.ch.Util$1)
- locked <0x23095610> (a java.util.Collections$UnmodifiableSet)
- locked <0x23095588> (a sun.nio.ch.WindowsSelectorImpl)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
at com.sun.grizzly.TCPSelectorHandler.select(TCPSelectorHandler.java:483)
at com.sun.grizzly.Controller.doSelect(Controller.java:372)
at com.sun.grizzly.SelectorHandlerRunner.run(SelectorHandlerRunner.java:82)
at com.sun.grizzly.Controller.startSelectorHandlerRunner(Controller.java:1169)
at com.sun.grizzly.Controller.start(Controller.java:976)
at com.sun.grizzly.http.SelectorThread.startListener(SelectorThread.java:1148)
- locked <0x22fa95f0> (a java.lang.Object)
at com.sun.grizzly.http.SelectorThread.run(SelectorThread.java:1000)
"JMX server connection timeout 20" daemon prio=6 tid=0x02fed800 nid=0x1300 in Object.wait() [0x034ef000..0x034efc14]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x22f56378> (a [I)
at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150)
- locked <0x22f56378> (a [I)
at java.lang.Thread.run(Thread.java:619)
"Thread-1" daemon prio=6 tid=0x02fc0c00 nid=0x1324 in Object.wait() [0x0349f000..0x0349fc94]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x22eb5318> (a [Ljava.lang.Object;)
at java.lang.Object.wait(Object.java:485)
at org.apache.felix.framework.Felix.acquireBundleLock(Felix.java:4227)
- locked <0x22eb5318> (a [Ljava.lang.Object;)
at org.apache.felix.framework.Felix.registerService(Felix.java:2736)
at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:252)
at org.apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:336)
at org.apache.felix.ipojo.handlers.providedservice.ProvidedService.registerService(ProvidedService.java:285)
- locked <0x230c7630> (a org.apache.felix.ipojo.handlers.providedservice.ProvidedService)
at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.__stateChanged(ProvidedServiceHandler.
java:441)
at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.stateChanged(ProvidedServiceHandler.ja
va)
at org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:428)
at org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:309)
at org.apache.felix.ipojo.ComponentFactory.createInstance(ComponentFactory.java:155)
at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:283)
- locked <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:220)
at org.apache.felix.ipojo.InstanceCreator$ManagedInstance.create(InstanceCreator.java:349)
at org.apache.felix.ipojo.InstanceCreator.addInstance(InstanceCreator.java:84)
- locked <0x22f31748> (a org.apache.felix.ipojo.InstanceCreator)
at org.apache.felix.ipojo.Extender.parse(Extender.java:269)
at org.apache.felix.ipojo.Extender.startManagementFor(Extender.java:208)
at org.apache.felix.ipojo.Extender.access$600(Extender.java:52)
at org.apache.felix.ipojo.Extender$CreatorThread.run(Extender.java:669)
at java.lang.Thread.run(Thread.java:619)
"RMI TCP Connection(2)-172.16.173.69" daemon prio=6 tid=0x02f73c00 nid=0x1338 runnable [0x0344f000..0x0344fd14]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
- locked <0x22f58548> (a java.io.BufferedInputStream)
at java.io.FilterInputStream.read(FilterInputStream.java:66)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
"RMI Scheduler(0)" daemon prio=6 tid=0x02f90800 nid=0xddc waiting on condition [0x033ff000..0x033ffd94]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x22eb1098> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.j
ava:1963)
at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583)
at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
"RMI TCP Connection(1)-172.16.173.69" daemon prio=6 tid=0x02fbf800 nid=0x137c runnable [0x033af000..0x033afa14]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
- locked <0x22f44358> (a java.io.BufferedInputStream)
at java.io.FilterInputStream.read(FilterInputStream.java:66)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
"telnetconsole.Listener" daemon prio=6 tid=0x02fa7c00 nid=0x12fc runnable [0x0335f000..0x0335fa94]
java.lang.Thread.State: RUNNABLE
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
- locked <0x22f27e68> (a java.net.SocksSocketImpl)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at org.apache.felix.shell.remote.Listener$Acceptor.run(Listener.java:109)
at java.lang.Thread.run(Thread.java:619)
"FelixPackageAdmin" daemon prio=6 tid=0x02f80400 nid=0x1040 in Object.wait() [0x0330f000..0x0330fb14]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
at java.lang.Object.wait(Object.java:485)
at org.apache.felix.framework.PackageAdminImpl.run(PackageAdminImpl.java:322)
- locked <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
at java.lang.Thread.run(Thread.java:619)
"FelixStartLevel" daemon prio=6 tid=0x02f65400 nid=0x1304 waiting for monitor entry [0x032bf000..0x032bfb94]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.felix.ipojo.IPojoFactory.removeFactoryStateListener(IPojoFactory.java:470)
- waiting to lock <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
at org.apache.felix.ipojo.InstanceCreator.removeFactory(InstanceCreator.java:182)
at org.apache.felix.ipojo.Extender.closeManagementFor(Extender.java:156)
at org.apache.felix.ipojo.Extender.bundleChanged(Extender.java:129)
- locked <0x22f2ff28> (a org.apache.felix.ipojo.Extender)
at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:745)
at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:674)
at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:587)
at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:3629)
at org.apache.felix.framework.Felix._stopBundle(Felix.java:2076)
at org.apache.felix.framework.Felix.stopBundle(Felix.java:2034)
at org.apache.felix.framework.Felix.setFrameworkStartLevel(Felix.java:1197)
at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:265)
at java.lang.Thread.run(Thread.java:619)
"FelixDispatchQueue" prio=6 tid=0x02f75800 nid=0x11a8 in Object.wait() [0x0326f000..0x0326fc14]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x22ebfce0> (a java.util.ArrayList)
at java.lang.Object.wait(Object.java:485)
at org.apache.felix.framework.util.EventDispatcher.run(EventDispatcher.java:849)
- locked <0x22ebfce0> (a java.util.ArrayList)
at org.apache.felix.framework.util.EventDispatcher.access$000(EventDispatcher.java:45)
at org.apache.felix.framework.util.EventDispatcher$1.run(EventDispatcher.java:97)
at java.lang.Thread.run(Thread.java:619)
"RMI TCP Accept-0" daemon prio=6 tid=0x02f30c00 nid=0x5e4 runnable [0x031bf000..0x031bfd14]
java.lang.Thread.State: RUNNABLE
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
- locked <0x22ea5788> (a java.net.SocksSocketImpl)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:34)
at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
at java.lang.Thread.run(Thread.java:619)
"RMI TCP Accept-1199" daemon prio=6 tid=0x02f29c00 nid=0x8dc runnable [0x0316f000..0x0316fd94]
java.lang.Thread.State: RUNNABLE
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
- locked <0x22ea5978> (a java.net.SocksSocketImpl)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
at java.lang.Thread.run(Thread.java:619)
"RMI TCP Accept-0" daemon prio=6 tid=0x02f25c00 nid=0x1138 runnable [0x0311f000..0x0311fa14]
java.lang.Thread.State: RUNNABLE
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
- locked <0x22ea5b68> (a java.net.SocksSocketImpl)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
at java.lang.Thread.run(Thread.java:619)
"Low Memory Detector" daemon prio=6 tid=0x02a6ec00 nid=0x13e0 runnable [0x00000000..0x00000000]
java.lang.Thread.State: RUNNABLE
"CompilerThread0" daemon prio=10 tid=0x02a6b800 nid=0x17dc waiting on condition [0x00000000..0x02d1f840]
java.lang.Thread.State: RUNNABLE
"Attach Listener" daemon prio=10 tid=0x02a6a000 nid=0xdbc runnable [0x00000000..0x00000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x02a68c00 nid=0xaf0 waiting on condition [0x00000000..0x00000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=0x02a63c00 nid=0x127c in Object.wait() [0x02c2f000..0x02c2fc94]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x22e96ee8> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
- locked <0x22e96ee8> (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=0x02a5f400 nid=0x12a0 in Object.wait() [0x02bdf000..0x02bdfd14]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x22e96f70> (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 <0x22e96f70> (a java.lang.ref.Reference$Lock)
"main" prio=6 tid=0x002a6c00 nid=0x12a4 in Object.wait() [0x0090f000..0x0090fe54]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
at org.apache.felix.framework.util.ThreadGate.await(ThreadGate.java:48)
- locked <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
at org.apache.felix.framework.Felix.waitForStop(Felix.java:997)
at com.axway.visualization.server.bootstrap.Bootstrap.main(Bootstrap.java:112)
"VM Thread" prio=10 tid=0x02a5d800 nid=0x1038 runnable
"VM Periodic Task Thread" prio=10 tid=0x02f32800 nid=0x1190 waiting on condition
JNI global references: 1144
Heap
def new generation total 960K, used 476K [0x22970000, 0x22a70000, 0x22e50000)
eden space 896K, 48% used [0x22970000, 0x229dd688, 0x22a50000)
from space 64K, 99% used [0x22a60000, 0x22a6fff8, 0x22a70000)
to space 64K, 0% used [0x22a50000, 0x22a50000, 0x22a60000)
tenured generation total 6424K, used 5802K [0x22e50000, 0x23496000, 0x26970000)
the space 6424K, 90% used [0x22e50000, 0x233fa800, 0x233fa800, 0x23496000)
compacting perm gen total 12288K, used 9883K [0x26970000, 0x27570000, 0x2a970000)
the space 12288K, 80% used [0x26970000, 0x27316fb0, 0x27317000, 0x27570000)
ro space 8192K, 67% used [0x2a970000, 0x2aed2d98, 0x2aed2e00, 0x2b170000)
rw space 12288K, 53% used [0x2b170000, 0x2b7e0640, 0x2b7e0800, 0x2bd70000)
What I understand is that the thread "FelixStartLevel" is blocked by the thread "Thread-1" from iPojo.
In my case iPojo is in the process of validating a service while a shutdown felix command is started.
I suspect this is maybe related to this bug : https://issues.apache.org/jira/browse/FELIX-911
Tell me if you need more information other than the thread dump.
Thanks.
Regards
David
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[jira] Commented: (FELIX-951) Deadlock in iPojo when stopping Felix
Posted by "Richard S. Hall (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/FELIX-951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675392#action_12675392 ]
Richard S. Hall commented on FELIX-951:
---------------------------------------
Yes, I think they are related. Perhaps you could check to see if the issue still exists in the trunk.
> Deadlock in iPojo when stopping Felix
> -------------------------------------
>
> Key: FELIX-951
> URL: https://issues.apache.org/jira/browse/FELIX-951
> Project: Felix
> Issue Type: Bug
> Components: iPOJO
> Affects Versions: iPOJO-1.2.0
> Environment: JDK 1.6 / Windows XP
> Reporter: David GAY
> Priority: Critical
>
> I suspect a deadlock when iPojo register services while Felix framework stopping the bundles (shutdown)
> This is the thread dump of the JVM :
> Full thread dump Java HotSpot(TM) Client VM (11.0-b16 mixed mode, sharing):
> "FelixShutdown" daemon prio=6 tid=0x030ba400 nid=0x1168 in Object.wait() [0x03b1f000..0x03b1fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230fb080> (a java.lang.Integer)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.StartLevelImpl.setStartLevelAndWait(StartLevelImpl.java:136)
> - locked <0x230fb080> (a java.lang.Integer)
> at org.apache.felix.framework.Felix$SystemBundleActivator.run(Felix.java:3876)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03542800 nid=0x1478 waiting on condition [0x03a7f000..0x03a7fd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03548800 nid=0x14e0 waiting on condition [0x03a2f000..0x03a2fa14]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "Prototyper" daemon prio=6 tid=0x030bb400 nid=0x146c in Object.wait() [0x039df000..0x039dfa94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at java.lang.Object.wait(Object.java:485)
> at org.logicalcobwebs.proxool.PrototyperThread.doWait(PrototyperThread.java:69)
> - locked <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at org.logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:58)
> "HouseKeeper" daemon prio=6 tid=0x030c4400 nid=0x14c4 waiting on condition [0x0398f000..0x0398fb14]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at org.logicalcobwebs.proxool.HouseKeeperThread.run(HouseKeeperThread.java:46)
> "SelectorThread-9998" daemon prio=6 tid=0x03064400 nid=0x14d8 runnable [0x0353f000..0x0353fb94]
> java.lang.Thread.State: RUNNABLE
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:274)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(WindowsSelectorImpl.java:256)
> at sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:137)
> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
> - locked <0x23095600> (a sun.nio.ch.Util$1)
> - locked <0x23095610> (a java.util.Collections$UnmodifiableSet)
> - locked <0x23095588> (a sun.nio.ch.WindowsSelectorImpl)
> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
> at com.sun.grizzly.TCPSelectorHandler.select(TCPSelectorHandler.java:483)
> at com.sun.grizzly.Controller.doSelect(Controller.java:372)
> at com.sun.grizzly.SelectorHandlerRunner.run(SelectorHandlerRunner.java:82)
> at com.sun.grizzly.Controller.startSelectorHandlerRunner(Controller.java:1169)
> at com.sun.grizzly.Controller.start(Controller.java:976)
> at com.sun.grizzly.http.SelectorThread.startListener(SelectorThread.java:1148)
> - locked <0x22fa95f0> (a java.lang.Object)
> at com.sun.grizzly.http.SelectorThread.run(SelectorThread.java:1000)
> "JMX server connection timeout 20" daemon prio=6 tid=0x02fed800 nid=0x1300 in Object.wait() [0x034ef000..0x034efc14]
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f56378> (a [I)
> at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150)
> - locked <0x22f56378> (a [I)
> at java.lang.Thread.run(Thread.java:619)
> "Thread-1" daemon prio=6 tid=0x02fc0c00 nid=0x1324 in Object.wait() [0x0349f000..0x0349fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22eb5318> (a [Ljava.lang.Object;)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.Felix.acquireBundleLock(Felix.java:4227)
> - locked <0x22eb5318> (a [Ljava.lang.Object;)
> at org.apache.felix.framework.Felix.registerService(Felix.java:2736)
> at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:252)
> at org.apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:336)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedService.registerService(ProvidedService.java:285)
> - locked <0x230c7630> (a org.apache.felix.ipojo.handlers.providedservice.ProvidedService)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.__stateChanged(ProvidedServiceHandler.
> java:441)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.stateChanged(ProvidedServiceHandler.ja
> va)
> at org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:428)
> at org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:309)
> at org.apache.felix.ipojo.ComponentFactory.createInstance(ComponentFactory.java:155)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:283)
> - locked <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:220)
> at org.apache.felix.ipojo.InstanceCreator$ManagedInstance.create(InstanceCreator.java:349)
> at org.apache.felix.ipojo.InstanceCreator.addInstance(InstanceCreator.java:84)
> - locked <0x22f31748> (a org.apache.felix.ipojo.InstanceCreator)
> at org.apache.felix.ipojo.Extender.parse(Extender.java:269)
> at org.apache.felix.ipojo.Extender.startManagementFor(Extender.java:208)
> at org.apache.felix.ipojo.Extender.access$600(Extender.java:52)
> at org.apache.felix.ipojo.Extender$CreatorThread.run(Extender.java:669)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(2)-172.16.173.69" daemon prio=6 tid=0x02f73c00 nid=0x1338 runnable [0x0344f000..0x0344fd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f58548> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "RMI Scheduler(0)" daemon prio=6 tid=0x02f90800 nid=0xddc waiting on condition [0x033ff000..0x033ffd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eb1098> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.j
> ava:1963)
> at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(1)-172.16.173.69" daemon prio=6 tid=0x02fbf800 nid=0x137c runnable [0x033af000..0x033afa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f44358> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "telnetconsole.Listener" daemon prio=6 tid=0x02fa7c00 nid=0x12fc runnable [0x0335f000..0x0335fa94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22f27e68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at org.apache.felix.shell.remote.Listener$Acceptor.run(Listener.java:109)
> at java.lang.Thread.run(Thread.java:619)
> "FelixPackageAdmin" daemon prio=6 tid=0x02f80400 nid=0x1040 in Object.wait() [0x0330f000..0x0330fb14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.PackageAdminImpl.run(PackageAdminImpl.java:322)
> - locked <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Thread.run(Thread.java:619)
> "FelixStartLevel" daemon prio=6 tid=0x02f65400 nid=0x1304 waiting for monitor entry [0x032bf000..0x032bfb94]
> java.lang.Thread.State: BLOCKED (on object monitor)
> at org.apache.felix.ipojo.IPojoFactory.removeFactoryStateListener(IPojoFactory.java:470)
> - waiting to lock <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.InstanceCreator.removeFactory(InstanceCreator.java:182)
> at org.apache.felix.ipojo.Extender.closeManagementFor(Extender.java:156)
> at org.apache.felix.ipojo.Extender.bundleChanged(Extender.java:129)
> - locked <0x22f2ff28> (a org.apache.felix.ipojo.Extender)
> at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:745)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:674)
> at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:587)
> at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:3629)
> at org.apache.felix.framework.Felix._stopBundle(Felix.java:2076)
> at org.apache.felix.framework.Felix.stopBundle(Felix.java:2034)
> at org.apache.felix.framework.Felix.setFrameworkStartLevel(Felix.java:1197)
> at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:265)
> at java.lang.Thread.run(Thread.java:619)
> "FelixDispatchQueue" prio=6 tid=0x02f75800 nid=0x11a8 in Object.wait() [0x0326f000..0x0326fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22ebfce0> (a java.util.ArrayList)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.util.EventDispatcher.run(EventDispatcher.java:849)
> - locked <0x22ebfce0> (a java.util.ArrayList)
> at org.apache.felix.framework.util.EventDispatcher.access$000(EventDispatcher.java:45)
> at org.apache.felix.framework.util.EventDispatcher$1.run(EventDispatcher.java:97)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f30c00 nid=0x5e4 runnable [0x031bf000..0x031bfd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5788> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:34)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-1199" daemon prio=6 tid=0x02f29c00 nid=0x8dc runnable [0x0316f000..0x0316fd94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5978> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f25c00 nid=0x1138 runnable [0x0311f000..0x0311fa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5b68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "Low Memory Detector" daemon prio=6 tid=0x02a6ec00 nid=0x13e0 runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "CompilerThread0" daemon prio=10 tid=0x02a6b800 nid=0x17dc waiting on condition [0x00000000..0x02d1f840]
> java.lang.Thread.State: RUNNABLE
> "Attach Listener" daemon prio=10 tid=0x02a6a000 nid=0xdbc runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" daemon prio=10 tid=0x02a68c00 nid=0xaf0 waiting on condition [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Finalizer" daemon prio=8 tid=0x02a63c00 nid=0x127c in Object.wait() [0x02c2f000..0x02c2fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96ee8> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
> - locked <0x22e96ee8> (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=0x02a5f400 nid=0x12a0 in Object.wait() [0x02bdf000..0x02bdfd14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96f70> (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 <0x22e96f70> (a java.lang.ref.Reference$Lock)
> "main" prio=6 tid=0x002a6c00 nid=0x12a4 in Object.wait() [0x0090f000..0x0090fe54]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.util.ThreadGate.await(ThreadGate.java:48)
> - locked <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.Felix.waitForStop(Felix.java:997)
> at com.axway.visualization.server.bootstrap.Bootstrap.main(Bootstrap.java:112)
> "VM Thread" prio=10 tid=0x02a5d800 nid=0x1038 runnable
> "VM Periodic Task Thread" prio=10 tid=0x02f32800 nid=0x1190 waiting on condition
> JNI global references: 1144
> Heap
> def new generation total 960K, used 476K [0x22970000, 0x22a70000, 0x22e50000)
> eden space 896K, 48% used [0x22970000, 0x229dd688, 0x22a50000)
> from space 64K, 99% used [0x22a60000, 0x22a6fff8, 0x22a70000)
> to space 64K, 0% used [0x22a50000, 0x22a50000, 0x22a60000)
> tenured generation total 6424K, used 5802K [0x22e50000, 0x23496000, 0x26970000)
> the space 6424K, 90% used [0x22e50000, 0x233fa800, 0x233fa800, 0x23496000)
> compacting perm gen total 12288K, used 9883K [0x26970000, 0x27570000, 0x2a970000)
> the space 12288K, 80% used [0x26970000, 0x27316fb0, 0x27317000, 0x27570000)
> ro space 8192K, 67% used [0x2a970000, 0x2aed2d98, 0x2aed2e00, 0x2b170000)
> rw space 12288K, 53% used [0x2b170000, 0x2b7e0640, 0x2b7e0800, 0x2bd70000)
> What I understand is that the thread "FelixStartLevel" is blocked by the thread "Thread-1" from iPojo.
> In my case iPojo is in the process of validating a service while a shutdown felix command is started.
> I suspect this is maybe related to this bug : https://issues.apache.org/jira/browse/FELIX-911
> Tell me if you need more information other than the thread dump.
> Thanks.
> Regards
> David
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[jira] Closed: (FELIX-951) Deadlock in iPojo when stopping Felix
Posted by "David GAY (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/FELIX-951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David GAY closed FELIX-951.
---------------------------
Resolution: Won't Fix
Fix Version/s: felix-1.6.0
After checking, this problem is related to https://issues.apache.org/jira/browse/FELIX-911 and it's fixed in Felix 1.6.0
> Deadlock in iPojo when stopping Felix
> -------------------------------------
>
> Key: FELIX-951
> URL: https://issues.apache.org/jira/browse/FELIX-951
> Project: Felix
> Issue Type: Bug
> Components: iPOJO
> Affects Versions: iPOJO-1.2.0
> Environment: JDK 1.6 / Windows XP
> Reporter: David GAY
> Priority: Critical
> Fix For: felix-1.6.0
>
>
> I suspect a deadlock when iPojo register services while Felix framework stopping the bundles (shutdown)
> This is the thread dump of the JVM :
> Full thread dump Java HotSpot(TM) Client VM (11.0-b16 mixed mode, sharing):
> "FelixShutdown" daemon prio=6 tid=0x030ba400 nid=0x1168 in Object.wait() [0x03b1f000..0x03b1fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230fb080> (a java.lang.Integer)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.StartLevelImpl.setStartLevelAndWait(StartLevelImpl.java:136)
> - locked <0x230fb080> (a java.lang.Integer)
> at org.apache.felix.framework.Felix$SystemBundleActivator.run(Felix.java:3876)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03542800 nid=0x1478 waiting on condition [0x03a7f000..0x03a7fd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03548800 nid=0x14e0 waiting on condition [0x03a2f000..0x03a2fa14]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "Prototyper" daemon prio=6 tid=0x030bb400 nid=0x146c in Object.wait() [0x039df000..0x039dfa94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at java.lang.Object.wait(Object.java:485)
> at org.logicalcobwebs.proxool.PrototyperThread.doWait(PrototyperThread.java:69)
> - locked <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at org.logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:58)
> "HouseKeeper" daemon prio=6 tid=0x030c4400 nid=0x14c4 waiting on condition [0x0398f000..0x0398fb14]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at org.logicalcobwebs.proxool.HouseKeeperThread.run(HouseKeeperThread.java:46)
> "SelectorThread-9998" daemon prio=6 tid=0x03064400 nid=0x14d8 runnable [0x0353f000..0x0353fb94]
> java.lang.Thread.State: RUNNABLE
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:274)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(WindowsSelectorImpl.java:256)
> at sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:137)
> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
> - locked <0x23095600> (a sun.nio.ch.Util$1)
> - locked <0x23095610> (a java.util.Collections$UnmodifiableSet)
> - locked <0x23095588> (a sun.nio.ch.WindowsSelectorImpl)
> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
> at com.sun.grizzly.TCPSelectorHandler.select(TCPSelectorHandler.java:483)
> at com.sun.grizzly.Controller.doSelect(Controller.java:372)
> at com.sun.grizzly.SelectorHandlerRunner.run(SelectorHandlerRunner.java:82)
> at com.sun.grizzly.Controller.startSelectorHandlerRunner(Controller.java:1169)
> at com.sun.grizzly.Controller.start(Controller.java:976)
> at com.sun.grizzly.http.SelectorThread.startListener(SelectorThread.java:1148)
> - locked <0x22fa95f0> (a java.lang.Object)
> at com.sun.grizzly.http.SelectorThread.run(SelectorThread.java:1000)
> "JMX server connection timeout 20" daemon prio=6 tid=0x02fed800 nid=0x1300 in Object.wait() [0x034ef000..0x034efc14]
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f56378> (a [I)
> at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150)
> - locked <0x22f56378> (a [I)
> at java.lang.Thread.run(Thread.java:619)
> "Thread-1" daemon prio=6 tid=0x02fc0c00 nid=0x1324 in Object.wait() [0x0349f000..0x0349fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22eb5318> (a [Ljava.lang.Object;)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.Felix.acquireBundleLock(Felix.java:4227)
> - locked <0x22eb5318> (a [Ljava.lang.Object;)
> at org.apache.felix.framework.Felix.registerService(Felix.java:2736)
> at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:252)
> at org.apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:336)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedService.registerService(ProvidedService.java:285)
> - locked <0x230c7630> (a org.apache.felix.ipojo.handlers.providedservice.ProvidedService)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.__stateChanged(ProvidedServiceHandler.
> java:441)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.stateChanged(ProvidedServiceHandler.ja
> va)
> at org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:428)
> at org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:309)
> at org.apache.felix.ipojo.ComponentFactory.createInstance(ComponentFactory.java:155)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:283)
> - locked <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:220)
> at org.apache.felix.ipojo.InstanceCreator$ManagedInstance.create(InstanceCreator.java:349)
> at org.apache.felix.ipojo.InstanceCreator.addInstance(InstanceCreator.java:84)
> - locked <0x22f31748> (a org.apache.felix.ipojo.InstanceCreator)
> at org.apache.felix.ipojo.Extender.parse(Extender.java:269)
> at org.apache.felix.ipojo.Extender.startManagementFor(Extender.java:208)
> at org.apache.felix.ipojo.Extender.access$600(Extender.java:52)
> at org.apache.felix.ipojo.Extender$CreatorThread.run(Extender.java:669)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(2)-172.16.173.69" daemon prio=6 tid=0x02f73c00 nid=0x1338 runnable [0x0344f000..0x0344fd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f58548> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "RMI Scheduler(0)" daemon prio=6 tid=0x02f90800 nid=0xddc waiting on condition [0x033ff000..0x033ffd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eb1098> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.j
> ava:1963)
> at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(1)-172.16.173.69" daemon prio=6 tid=0x02fbf800 nid=0x137c runnable [0x033af000..0x033afa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f44358> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "telnetconsole.Listener" daemon prio=6 tid=0x02fa7c00 nid=0x12fc runnable [0x0335f000..0x0335fa94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22f27e68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at org.apache.felix.shell.remote.Listener$Acceptor.run(Listener.java:109)
> at java.lang.Thread.run(Thread.java:619)
> "FelixPackageAdmin" daemon prio=6 tid=0x02f80400 nid=0x1040 in Object.wait() [0x0330f000..0x0330fb14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.PackageAdminImpl.run(PackageAdminImpl.java:322)
> - locked <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Thread.run(Thread.java:619)
> "FelixStartLevel" daemon prio=6 tid=0x02f65400 nid=0x1304 waiting for monitor entry [0x032bf000..0x032bfb94]
> java.lang.Thread.State: BLOCKED (on object monitor)
> at org.apache.felix.ipojo.IPojoFactory.removeFactoryStateListener(IPojoFactory.java:470)
> - waiting to lock <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.InstanceCreator.removeFactory(InstanceCreator.java:182)
> at org.apache.felix.ipojo.Extender.closeManagementFor(Extender.java:156)
> at org.apache.felix.ipojo.Extender.bundleChanged(Extender.java:129)
> - locked <0x22f2ff28> (a org.apache.felix.ipojo.Extender)
> at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:745)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:674)
> at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:587)
> at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:3629)
> at org.apache.felix.framework.Felix._stopBundle(Felix.java:2076)
> at org.apache.felix.framework.Felix.stopBundle(Felix.java:2034)
> at org.apache.felix.framework.Felix.setFrameworkStartLevel(Felix.java:1197)
> at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:265)
> at java.lang.Thread.run(Thread.java:619)
> "FelixDispatchQueue" prio=6 tid=0x02f75800 nid=0x11a8 in Object.wait() [0x0326f000..0x0326fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22ebfce0> (a java.util.ArrayList)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.util.EventDispatcher.run(EventDispatcher.java:849)
> - locked <0x22ebfce0> (a java.util.ArrayList)
> at org.apache.felix.framework.util.EventDispatcher.access$000(EventDispatcher.java:45)
> at org.apache.felix.framework.util.EventDispatcher$1.run(EventDispatcher.java:97)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f30c00 nid=0x5e4 runnable [0x031bf000..0x031bfd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5788> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:34)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-1199" daemon prio=6 tid=0x02f29c00 nid=0x8dc runnable [0x0316f000..0x0316fd94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5978> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f25c00 nid=0x1138 runnable [0x0311f000..0x0311fa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5b68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "Low Memory Detector" daemon prio=6 tid=0x02a6ec00 nid=0x13e0 runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "CompilerThread0" daemon prio=10 tid=0x02a6b800 nid=0x17dc waiting on condition [0x00000000..0x02d1f840]
> java.lang.Thread.State: RUNNABLE
> "Attach Listener" daemon prio=10 tid=0x02a6a000 nid=0xdbc runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" daemon prio=10 tid=0x02a68c00 nid=0xaf0 waiting on condition [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Finalizer" daemon prio=8 tid=0x02a63c00 nid=0x127c in Object.wait() [0x02c2f000..0x02c2fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96ee8> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
> - locked <0x22e96ee8> (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=0x02a5f400 nid=0x12a0 in Object.wait() [0x02bdf000..0x02bdfd14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96f70> (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 <0x22e96f70> (a java.lang.ref.Reference$Lock)
> "main" prio=6 tid=0x002a6c00 nid=0x12a4 in Object.wait() [0x0090f000..0x0090fe54]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.util.ThreadGate.await(ThreadGate.java:48)
> - locked <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.Felix.waitForStop(Felix.java:997)
> at com.axway.visualization.server.bootstrap.Bootstrap.main(Bootstrap.java:112)
> "VM Thread" prio=10 tid=0x02a5d800 nid=0x1038 runnable
> "VM Periodic Task Thread" prio=10 tid=0x02f32800 nid=0x1190 waiting on condition
> JNI global references: 1144
> Heap
> def new generation total 960K, used 476K [0x22970000, 0x22a70000, 0x22e50000)
> eden space 896K, 48% used [0x22970000, 0x229dd688, 0x22a50000)
> from space 64K, 99% used [0x22a60000, 0x22a6fff8, 0x22a70000)
> to space 64K, 0% used [0x22a50000, 0x22a50000, 0x22a60000)
> tenured generation total 6424K, used 5802K [0x22e50000, 0x23496000, 0x26970000)
> the space 6424K, 90% used [0x22e50000, 0x233fa800, 0x233fa800, 0x23496000)
> compacting perm gen total 12288K, used 9883K [0x26970000, 0x27570000, 0x2a970000)
> the space 12288K, 80% used [0x26970000, 0x27316fb0, 0x27317000, 0x27570000)
> ro space 8192K, 67% used [0x2a970000, 0x2aed2d98, 0x2aed2e00, 0x2b170000)
> rw space 12288K, 53% used [0x2b170000, 0x2b7e0640, 0x2b7e0800, 0x2bd70000)
> What I understand is that the thread "FelixStartLevel" is blocked by the thread "Thread-1" from iPojo.
> In my case iPojo is in the process of validating a service while a shutdown felix command is started.
> I suspect this is maybe related to this bug : https://issues.apache.org/jira/browse/FELIX-911
> Tell me if you need more information other than the thread dump.
> Thanks.
> Regards
> David
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[jira] Commented: (FELIX-951) Deadlock in iPojo when stopping Felix
Posted by "Clement Escoffier (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/FELIX-951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675372#action_12675372 ]
Clement Escoffier commented on FELIX-951:
-----------------------------------------
Hi,
You're right. It seems to be related to:
https://issues.apache.org/jira/browse/FELIX-911
Richard can perhaps comment about this issue.
> Deadlock in iPojo when stopping Felix
> -------------------------------------
>
> Key: FELIX-951
> URL: https://issues.apache.org/jira/browse/FELIX-951
> Project: Felix
> Issue Type: Bug
> Components: iPOJO
> Affects Versions: iPOJO-1.2.0
> Environment: JDK 1.6 / Windows XP
> Reporter: David GAY
> Priority: Critical
>
> I suspect a deadlock when iPojo register services while Felix framework stopping the bundles (shutdown)
> This is the thread dump of the JVM :
> Full thread dump Java HotSpot(TM) Client VM (11.0-b16 mixed mode, sharing):
> "FelixShutdown" daemon prio=6 tid=0x030ba400 nid=0x1168 in Object.wait() [0x03b1f000..0x03b1fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230fb080> (a java.lang.Integer)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.StartLevelImpl.setStartLevelAndWait(StartLevelImpl.java:136)
> - locked <0x230fb080> (a java.lang.Integer)
> at org.apache.felix.framework.Felix$SystemBundleActivator.run(Felix.java:3876)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03542800 nid=0x1478 waiting on condition [0x03a7f000..0x03a7fd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03548800 nid=0x14e0 waiting on condition [0x03a2f000..0x03a2fa14]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "Prototyper" daemon prio=6 tid=0x030bb400 nid=0x146c in Object.wait() [0x039df000..0x039dfa94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at java.lang.Object.wait(Object.java:485)
> at org.logicalcobwebs.proxool.PrototyperThread.doWait(PrototyperThread.java:69)
> - locked <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at org.logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:58)
> "HouseKeeper" daemon prio=6 tid=0x030c4400 nid=0x14c4 waiting on condition [0x0398f000..0x0398fb14]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at org.logicalcobwebs.proxool.HouseKeeperThread.run(HouseKeeperThread.java:46)
> "SelectorThread-9998" daemon prio=6 tid=0x03064400 nid=0x14d8 runnable [0x0353f000..0x0353fb94]
> java.lang.Thread.State: RUNNABLE
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:274)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(WindowsSelectorImpl.java:256)
> at sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:137)
> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
> - locked <0x23095600> (a sun.nio.ch.Util$1)
> - locked <0x23095610> (a java.util.Collections$UnmodifiableSet)
> - locked <0x23095588> (a sun.nio.ch.WindowsSelectorImpl)
> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
> at com.sun.grizzly.TCPSelectorHandler.select(TCPSelectorHandler.java:483)
> at com.sun.grizzly.Controller.doSelect(Controller.java:372)
> at com.sun.grizzly.SelectorHandlerRunner.run(SelectorHandlerRunner.java:82)
> at com.sun.grizzly.Controller.startSelectorHandlerRunner(Controller.java:1169)
> at com.sun.grizzly.Controller.start(Controller.java:976)
> at com.sun.grizzly.http.SelectorThread.startListener(SelectorThread.java:1148)
> - locked <0x22fa95f0> (a java.lang.Object)
> at com.sun.grizzly.http.SelectorThread.run(SelectorThread.java:1000)
> "JMX server connection timeout 20" daemon prio=6 tid=0x02fed800 nid=0x1300 in Object.wait() [0x034ef000..0x034efc14]
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f56378> (a [I)
> at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150)
> - locked <0x22f56378> (a [I)
> at java.lang.Thread.run(Thread.java:619)
> "Thread-1" daemon prio=6 tid=0x02fc0c00 nid=0x1324 in Object.wait() [0x0349f000..0x0349fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22eb5318> (a [Ljava.lang.Object;)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.Felix.acquireBundleLock(Felix.java:4227)
> - locked <0x22eb5318> (a [Ljava.lang.Object;)
> at org.apache.felix.framework.Felix.registerService(Felix.java:2736)
> at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:252)
> at org.apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:336)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedService.registerService(ProvidedService.java:285)
> - locked <0x230c7630> (a org.apache.felix.ipojo.handlers.providedservice.ProvidedService)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.__stateChanged(ProvidedServiceHandler.
> java:441)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.stateChanged(ProvidedServiceHandler.ja
> va)
> at org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:428)
> at org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:309)
> at org.apache.felix.ipojo.ComponentFactory.createInstance(ComponentFactory.java:155)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:283)
> - locked <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:220)
> at org.apache.felix.ipojo.InstanceCreator$ManagedInstance.create(InstanceCreator.java:349)
> at org.apache.felix.ipojo.InstanceCreator.addInstance(InstanceCreator.java:84)
> - locked <0x22f31748> (a org.apache.felix.ipojo.InstanceCreator)
> at org.apache.felix.ipojo.Extender.parse(Extender.java:269)
> at org.apache.felix.ipojo.Extender.startManagementFor(Extender.java:208)
> at org.apache.felix.ipojo.Extender.access$600(Extender.java:52)
> at org.apache.felix.ipojo.Extender$CreatorThread.run(Extender.java:669)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(2)-172.16.173.69" daemon prio=6 tid=0x02f73c00 nid=0x1338 runnable [0x0344f000..0x0344fd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f58548> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "RMI Scheduler(0)" daemon prio=6 tid=0x02f90800 nid=0xddc waiting on condition [0x033ff000..0x033ffd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eb1098> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.j
> ava:1963)
> at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(1)-172.16.173.69" daemon prio=6 tid=0x02fbf800 nid=0x137c runnable [0x033af000..0x033afa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f44358> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "telnetconsole.Listener" daemon prio=6 tid=0x02fa7c00 nid=0x12fc runnable [0x0335f000..0x0335fa94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22f27e68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at org.apache.felix.shell.remote.Listener$Acceptor.run(Listener.java:109)
> at java.lang.Thread.run(Thread.java:619)
> "FelixPackageAdmin" daemon prio=6 tid=0x02f80400 nid=0x1040 in Object.wait() [0x0330f000..0x0330fb14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.PackageAdminImpl.run(PackageAdminImpl.java:322)
> - locked <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Thread.run(Thread.java:619)
> "FelixStartLevel" daemon prio=6 tid=0x02f65400 nid=0x1304 waiting for monitor entry [0x032bf000..0x032bfb94]
> java.lang.Thread.State: BLOCKED (on object monitor)
> at org.apache.felix.ipojo.IPojoFactory.removeFactoryStateListener(IPojoFactory.java:470)
> - waiting to lock <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.InstanceCreator.removeFactory(InstanceCreator.java:182)
> at org.apache.felix.ipojo.Extender.closeManagementFor(Extender.java:156)
> at org.apache.felix.ipojo.Extender.bundleChanged(Extender.java:129)
> - locked <0x22f2ff28> (a org.apache.felix.ipojo.Extender)
> at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:745)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:674)
> at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:587)
> at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:3629)
> at org.apache.felix.framework.Felix._stopBundle(Felix.java:2076)
> at org.apache.felix.framework.Felix.stopBundle(Felix.java:2034)
> at org.apache.felix.framework.Felix.setFrameworkStartLevel(Felix.java:1197)
> at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:265)
> at java.lang.Thread.run(Thread.java:619)
> "FelixDispatchQueue" prio=6 tid=0x02f75800 nid=0x11a8 in Object.wait() [0x0326f000..0x0326fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22ebfce0> (a java.util.ArrayList)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.util.EventDispatcher.run(EventDispatcher.java:849)
> - locked <0x22ebfce0> (a java.util.ArrayList)
> at org.apache.felix.framework.util.EventDispatcher.access$000(EventDispatcher.java:45)
> at org.apache.felix.framework.util.EventDispatcher$1.run(EventDispatcher.java:97)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f30c00 nid=0x5e4 runnable [0x031bf000..0x031bfd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5788> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:34)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-1199" daemon prio=6 tid=0x02f29c00 nid=0x8dc runnable [0x0316f000..0x0316fd94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5978> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f25c00 nid=0x1138 runnable [0x0311f000..0x0311fa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5b68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "Low Memory Detector" daemon prio=6 tid=0x02a6ec00 nid=0x13e0 runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "CompilerThread0" daemon prio=10 tid=0x02a6b800 nid=0x17dc waiting on condition [0x00000000..0x02d1f840]
> java.lang.Thread.State: RUNNABLE
> "Attach Listener" daemon prio=10 tid=0x02a6a000 nid=0xdbc runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" daemon prio=10 tid=0x02a68c00 nid=0xaf0 waiting on condition [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Finalizer" daemon prio=8 tid=0x02a63c00 nid=0x127c in Object.wait() [0x02c2f000..0x02c2fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96ee8> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
> - locked <0x22e96ee8> (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=0x02a5f400 nid=0x12a0 in Object.wait() [0x02bdf000..0x02bdfd14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96f70> (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 <0x22e96f70> (a java.lang.ref.Reference$Lock)
> "main" prio=6 tid=0x002a6c00 nid=0x12a4 in Object.wait() [0x0090f000..0x0090fe54]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.util.ThreadGate.await(ThreadGate.java:48)
> - locked <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.Felix.waitForStop(Felix.java:997)
> at com.axway.visualization.server.bootstrap.Bootstrap.main(Bootstrap.java:112)
> "VM Thread" prio=10 tid=0x02a5d800 nid=0x1038 runnable
> "VM Periodic Task Thread" prio=10 tid=0x02f32800 nid=0x1190 waiting on condition
> JNI global references: 1144
> Heap
> def new generation total 960K, used 476K [0x22970000, 0x22a70000, 0x22e50000)
> eden space 896K, 48% used [0x22970000, 0x229dd688, 0x22a50000)
> from space 64K, 99% used [0x22a60000, 0x22a6fff8, 0x22a70000)
> to space 64K, 0% used [0x22a50000, 0x22a50000, 0x22a60000)
> tenured generation total 6424K, used 5802K [0x22e50000, 0x23496000, 0x26970000)
> the space 6424K, 90% used [0x22e50000, 0x233fa800, 0x233fa800, 0x23496000)
> compacting perm gen total 12288K, used 9883K [0x26970000, 0x27570000, 0x2a970000)
> the space 12288K, 80% used [0x26970000, 0x27316fb0, 0x27317000, 0x27570000)
> ro space 8192K, 67% used [0x2a970000, 0x2aed2d98, 0x2aed2e00, 0x2b170000)
> rw space 12288K, 53% used [0x2b170000, 0x2b7e0640, 0x2b7e0800, 0x2bd70000)
> What I understand is that the thread "FelixStartLevel" is blocked by the thread "Thread-1" from iPojo.
> In my case iPojo is in the process of validating a service while a shutdown felix command is started.
> I suspect this is maybe related to this bug : https://issues.apache.org/jira/browse/FELIX-911
> Tell me if you need more information other than the thread dump.
> Thanks.
> Regards
> David
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[jira] Commented: (FELIX-951) Deadlock in iPojo when stopping Felix
Posted by "Clement Escoffier (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/FELIX-951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675802#action_12675802 ]
Clement Escoffier commented on FELIX-951:
-----------------------------------------
Hi,
Yes, you can close it.
As it does not require a fix/improvement on the iPOJO side, it can be closed.
I only keep opened and resolved issues requiring a fix or providing an improvement. I do this just because of the ability of Jira to generate release notes :-). So when I cut a release I can track every changes quickly and generate the changelog file easily. Once the release is done, I close all the issue related to the released version. However, this is my own strategy.
Regards,
Clement
> Deadlock in iPojo when stopping Felix
> -------------------------------------
>
> Key: FELIX-951
> URL: https://issues.apache.org/jira/browse/FELIX-951
> Project: Felix
> Issue Type: Bug
> Components: iPOJO
> Affects Versions: iPOJO-1.2.0
> Environment: JDK 1.6 / Windows XP
> Reporter: David GAY
> Priority: Critical
>
> I suspect a deadlock when iPojo register services while Felix framework stopping the bundles (shutdown)
> This is the thread dump of the JVM :
> Full thread dump Java HotSpot(TM) Client VM (11.0-b16 mixed mode, sharing):
> "FelixShutdown" daemon prio=6 tid=0x030ba400 nid=0x1168 in Object.wait() [0x03b1f000..0x03b1fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230fb080> (a java.lang.Integer)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.StartLevelImpl.setStartLevelAndWait(StartLevelImpl.java:136)
> - locked <0x230fb080> (a java.lang.Integer)
> at org.apache.felix.framework.Felix$SystemBundleActivator.run(Felix.java:3876)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03542800 nid=0x1478 waiting on condition [0x03a7f000..0x03a7fd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03548800 nid=0x14e0 waiting on condition [0x03a2f000..0x03a2fa14]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "Prototyper" daemon prio=6 tid=0x030bb400 nid=0x146c in Object.wait() [0x039df000..0x039dfa94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at java.lang.Object.wait(Object.java:485)
> at org.logicalcobwebs.proxool.PrototyperThread.doWait(PrototyperThread.java:69)
> - locked <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at org.logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:58)
> "HouseKeeper" daemon prio=6 tid=0x030c4400 nid=0x14c4 waiting on condition [0x0398f000..0x0398fb14]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at org.logicalcobwebs.proxool.HouseKeeperThread.run(HouseKeeperThread.java:46)
> "SelectorThread-9998" daemon prio=6 tid=0x03064400 nid=0x14d8 runnable [0x0353f000..0x0353fb94]
> java.lang.Thread.State: RUNNABLE
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:274)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(WindowsSelectorImpl.java:256)
> at sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:137)
> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
> - locked <0x23095600> (a sun.nio.ch.Util$1)
> - locked <0x23095610> (a java.util.Collections$UnmodifiableSet)
> - locked <0x23095588> (a sun.nio.ch.WindowsSelectorImpl)
> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
> at com.sun.grizzly.TCPSelectorHandler.select(TCPSelectorHandler.java:483)
> at com.sun.grizzly.Controller.doSelect(Controller.java:372)
> at com.sun.grizzly.SelectorHandlerRunner.run(SelectorHandlerRunner.java:82)
> at com.sun.grizzly.Controller.startSelectorHandlerRunner(Controller.java:1169)
> at com.sun.grizzly.Controller.start(Controller.java:976)
> at com.sun.grizzly.http.SelectorThread.startListener(SelectorThread.java:1148)
> - locked <0x22fa95f0> (a java.lang.Object)
> at com.sun.grizzly.http.SelectorThread.run(SelectorThread.java:1000)
> "JMX server connection timeout 20" daemon prio=6 tid=0x02fed800 nid=0x1300 in Object.wait() [0x034ef000..0x034efc14]
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f56378> (a [I)
> at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150)
> - locked <0x22f56378> (a [I)
> at java.lang.Thread.run(Thread.java:619)
> "Thread-1" daemon prio=6 tid=0x02fc0c00 nid=0x1324 in Object.wait() [0x0349f000..0x0349fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22eb5318> (a [Ljava.lang.Object;)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.Felix.acquireBundleLock(Felix.java:4227)
> - locked <0x22eb5318> (a [Ljava.lang.Object;)
> at org.apache.felix.framework.Felix.registerService(Felix.java:2736)
> at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:252)
> at org.apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:336)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedService.registerService(ProvidedService.java:285)
> - locked <0x230c7630> (a org.apache.felix.ipojo.handlers.providedservice.ProvidedService)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.__stateChanged(ProvidedServiceHandler.
> java:441)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.stateChanged(ProvidedServiceHandler.ja
> va)
> at org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:428)
> at org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:309)
> at org.apache.felix.ipojo.ComponentFactory.createInstance(ComponentFactory.java:155)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:283)
> - locked <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:220)
> at org.apache.felix.ipojo.InstanceCreator$ManagedInstance.create(InstanceCreator.java:349)
> at org.apache.felix.ipojo.InstanceCreator.addInstance(InstanceCreator.java:84)
> - locked <0x22f31748> (a org.apache.felix.ipojo.InstanceCreator)
> at org.apache.felix.ipojo.Extender.parse(Extender.java:269)
> at org.apache.felix.ipojo.Extender.startManagementFor(Extender.java:208)
> at org.apache.felix.ipojo.Extender.access$600(Extender.java:52)
> at org.apache.felix.ipojo.Extender$CreatorThread.run(Extender.java:669)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(2)-172.16.173.69" daemon prio=6 tid=0x02f73c00 nid=0x1338 runnable [0x0344f000..0x0344fd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f58548> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "RMI Scheduler(0)" daemon prio=6 tid=0x02f90800 nid=0xddc waiting on condition [0x033ff000..0x033ffd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eb1098> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.j
> ava:1963)
> at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(1)-172.16.173.69" daemon prio=6 tid=0x02fbf800 nid=0x137c runnable [0x033af000..0x033afa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f44358> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "telnetconsole.Listener" daemon prio=6 tid=0x02fa7c00 nid=0x12fc runnable [0x0335f000..0x0335fa94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22f27e68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at org.apache.felix.shell.remote.Listener$Acceptor.run(Listener.java:109)
> at java.lang.Thread.run(Thread.java:619)
> "FelixPackageAdmin" daemon prio=6 tid=0x02f80400 nid=0x1040 in Object.wait() [0x0330f000..0x0330fb14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.PackageAdminImpl.run(PackageAdminImpl.java:322)
> - locked <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Thread.run(Thread.java:619)
> "FelixStartLevel" daemon prio=6 tid=0x02f65400 nid=0x1304 waiting for monitor entry [0x032bf000..0x032bfb94]
> java.lang.Thread.State: BLOCKED (on object monitor)
> at org.apache.felix.ipojo.IPojoFactory.removeFactoryStateListener(IPojoFactory.java:470)
> - waiting to lock <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.InstanceCreator.removeFactory(InstanceCreator.java:182)
> at org.apache.felix.ipojo.Extender.closeManagementFor(Extender.java:156)
> at org.apache.felix.ipojo.Extender.bundleChanged(Extender.java:129)
> - locked <0x22f2ff28> (a org.apache.felix.ipojo.Extender)
> at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:745)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:674)
> at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:587)
> at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:3629)
> at org.apache.felix.framework.Felix._stopBundle(Felix.java:2076)
> at org.apache.felix.framework.Felix.stopBundle(Felix.java:2034)
> at org.apache.felix.framework.Felix.setFrameworkStartLevel(Felix.java:1197)
> at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:265)
> at java.lang.Thread.run(Thread.java:619)
> "FelixDispatchQueue" prio=6 tid=0x02f75800 nid=0x11a8 in Object.wait() [0x0326f000..0x0326fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22ebfce0> (a java.util.ArrayList)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.util.EventDispatcher.run(EventDispatcher.java:849)
> - locked <0x22ebfce0> (a java.util.ArrayList)
> at org.apache.felix.framework.util.EventDispatcher.access$000(EventDispatcher.java:45)
> at org.apache.felix.framework.util.EventDispatcher$1.run(EventDispatcher.java:97)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f30c00 nid=0x5e4 runnable [0x031bf000..0x031bfd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5788> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:34)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-1199" daemon prio=6 tid=0x02f29c00 nid=0x8dc runnable [0x0316f000..0x0316fd94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5978> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f25c00 nid=0x1138 runnable [0x0311f000..0x0311fa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5b68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "Low Memory Detector" daemon prio=6 tid=0x02a6ec00 nid=0x13e0 runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "CompilerThread0" daemon prio=10 tid=0x02a6b800 nid=0x17dc waiting on condition [0x00000000..0x02d1f840]
> java.lang.Thread.State: RUNNABLE
> "Attach Listener" daemon prio=10 tid=0x02a6a000 nid=0xdbc runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" daemon prio=10 tid=0x02a68c00 nid=0xaf0 waiting on condition [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Finalizer" daemon prio=8 tid=0x02a63c00 nid=0x127c in Object.wait() [0x02c2f000..0x02c2fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96ee8> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
> - locked <0x22e96ee8> (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=0x02a5f400 nid=0x12a0 in Object.wait() [0x02bdf000..0x02bdfd14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96f70> (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 <0x22e96f70> (a java.lang.ref.Reference$Lock)
> "main" prio=6 tid=0x002a6c00 nid=0x12a4 in Object.wait() [0x0090f000..0x0090fe54]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.util.ThreadGate.await(ThreadGate.java:48)
> - locked <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.Felix.waitForStop(Felix.java:997)
> at com.axway.visualization.server.bootstrap.Bootstrap.main(Bootstrap.java:112)
> "VM Thread" prio=10 tid=0x02a5d800 nid=0x1038 runnable
> "VM Periodic Task Thread" prio=10 tid=0x02f32800 nid=0x1190 waiting on condition
> JNI global references: 1144
> Heap
> def new generation total 960K, used 476K [0x22970000, 0x22a70000, 0x22e50000)
> eden space 896K, 48% used [0x22970000, 0x229dd688, 0x22a50000)
> from space 64K, 99% used [0x22a60000, 0x22a6fff8, 0x22a70000)
> to space 64K, 0% used [0x22a50000, 0x22a50000, 0x22a60000)
> tenured generation total 6424K, used 5802K [0x22e50000, 0x23496000, 0x26970000)
> the space 6424K, 90% used [0x22e50000, 0x233fa800, 0x233fa800, 0x23496000)
> compacting perm gen total 12288K, used 9883K [0x26970000, 0x27570000, 0x2a970000)
> the space 12288K, 80% used [0x26970000, 0x27316fb0, 0x27317000, 0x27570000)
> ro space 8192K, 67% used [0x2a970000, 0x2aed2d98, 0x2aed2e00, 0x2b170000)
> rw space 12288K, 53% used [0x2b170000, 0x2b7e0640, 0x2b7e0800, 0x2bd70000)
> What I understand is that the thread "FelixStartLevel" is blocked by the thread "Thread-1" from iPojo.
> In my case iPojo is in the process of validating a service while a shutdown felix command is started.
> I suspect this is maybe related to this bug : https://issues.apache.org/jira/browse/FELIX-911
> Tell me if you need more information other than the thread dump.
> Thanks.
> Regards
> David
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Re: [jira] Commented: (FELIX-951) Deadlock in iPojo when stopping Felix
Posted by Clement Escoffier <cl...@gmail.com>.
Hi,
Yes, you can close it.
As it does not require a fix/improvement on the iPOJO side, it can be
closed.
I only keep opened and resolved issues requiring a fix or providing an
improvement. I do this just because of the ability of Jira to generate
release notes :-). So when I cut a release I can track every changes
quickly and generate the changelog file easily. Once the release is
done, I close all the issue related to the released version. However,
this is my own strategy.
Regards,
Clement
On 21.02.2009, at 18:22, David GAY (JIRA) wrote:
>
> [ https://issues.apache.org/jira/browse/FELIX-951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675581
> #action_12675581 ]
>
> David GAY commented on FELIX-951:
> ---------------------------------
>
> Hi,
>
> I've tested with a fresh trunk version today.
> And very good news : there is no more deadlock !
>
> I made a simple test : a iPojo like that inside a bundle :
>
> @Component
> @Provides
> public class DarkStarServiceImpl implements DarkStarService
> {
> // .... bla bla bla
>
> @Validate
> public void buildDarkStar()
> {
> // Gives me some time to build an artificial moon please !!!
> try { Thread.sleep( 100000 ); } catch (Exception ex ) {}
> }
>
> // ... bla bla bla
> }
>
> run it and type shutdown in the console ... with Felix 1.4.1 the
> server never stop.
> With the today's trunk version (1.5.0-SNAPSHOT) the server stop.
> Excellent !
>
> Thanks again for your help. Keep the good work.
>
> PS: I don't know if it's my role to close issue. Please let me known
> what the correct procedure is.
>
>
> Bon week end. Salut et merci.
>
>
>> Deadlock in iPojo when stopping Felix
>> -------------------------------------
>>
>> Key: FELIX-951
>> URL: https://issues.apache.org/jira/browse/FELIX-951
>> Project: Felix
>> Issue Type: Bug
>> Components: iPOJO
>> Affects Versions: iPOJO-1.2.0
>> Environment: JDK 1.6 / Windows XP
>> Reporter: David GAY
>> Priority: Critical
>>
>> I suspect a deadlock when iPojo register services while Felix
>> framework stopping the bundles (shutdown)
>> This is the thread dump of the JVM :
>> Full thread dump Java HotSpot(TM) Client VM (11.0-b16 mixed mode,
>> sharing):
>> "FelixShutdown" daemon prio=6 tid=0x030ba400 nid=0x1168 in
>> Object.wait() [0x03b1f000..0x03b1fc14]
>> java.lang.Thread.State: WAITING (on object monitor)
>> at java.lang.Object.wait(Native Method)
>> - waiting on <0x230fb080> (a java.lang.Integer)
>> at java.lang.Object.wait(Object.java:485)
>> at
>> org
>> .apache
>> .felix
>> .framework.StartLevelImpl.setStartLevelAndWait(StartLevelImpl.java:
>> 136)
>> - locked <0x230fb080> (a java.lang.Integer)
>> at org.apache.felix.framework.Felix
>> $SystemBundleActivator.run(Felix.java:3876)
>> at java.lang.Thread.run(Thread.java:619)
>> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03542800 nid=0x1478
>> waiting on condition [0x03a7f000..0x03a7fd94]
>> java.lang.Thread.State: TIMED_WAITING (parking)
>> at sun.misc.Unsafe.park(Native Method)
>> - parking to wait for <0x22eaeec8> (a
>> java.util.concurrent.SynchronousQueue$TransferStack)
>> at
>> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:
>> 198)
>> at java.util.concurrent.SynchronousQueue
>> $TransferStack.awaitFulfill(SynchronousQueue.java:424)
>> at java.util.concurrent.SynchronousQueue
>> $TransferStack.transfer(SynchronousQueue.java:323)
>> at
>> java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
>> at
>> java
>> .util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:
>> 945)
>> at java.util.concurrent.ThreadPoolExecutor
>> $Worker.run(ThreadPoolExecutor.java:907)
>> at java.lang.Thread.run(Thread.java:619)
>> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03548800 nid=0x14e0
>> waiting on condition [0x03a2f000..0x03a2fa14]
>> java.lang.Thread.State: TIMED_WAITING (parking)
>> at sun.misc.Unsafe.park(Native Method)
>> - parking to wait for <0x22eaeec8> (a
>> java.util.concurrent.SynchronousQueue$TransferStack)
>> at
>> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:
>> 198)
>> at java.util.concurrent.SynchronousQueue
>> $TransferStack.awaitFulfill(SynchronousQueue.java:424)
>> at java.util.concurrent.SynchronousQueue
>> $TransferStack.transfer(SynchronousQueue.java:323)
>> at
>> java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
>> at
>> java
>> .util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:
>> 945)
>> at java.util.concurrent.ThreadPoolExecutor
>> $Worker.run(ThreadPoolExecutor.java:907)
>> at java.lang.Thread.run(Thread.java:619)
>> "Prototyper" daemon prio=6 tid=0x030bb400 nid=0x146c in
>> Object.wait() [0x039df000..0x039dfa94]
>> java.lang.Thread.State: WAITING (on object monitor)
>> at java.lang.Object.wait(Native Method)
>> - waiting on <0x230ec668> (a
>> org.logicalcobwebs.proxool.PrototyperThread)
>> at java.lang.Object.wait(Object.java:485)
>> at
>> org
>> .logicalcobwebs
>> .proxool.PrototyperThread.doWait(PrototyperThread.java:69)
>> - locked <0x230ec668> (a
>> org.logicalcobwebs.proxool.PrototyperThread)
>> at
>> org
>> .logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:
>> 58)
>> "HouseKeeper" daemon prio=6 tid=0x030c4400 nid=0x14c4 waiting on
>> condition [0x0398f000..0x0398fb14]
>> java.lang.Thread.State: TIMED_WAITING (sleeping)
>> at java.lang.Thread.sleep(Native Method)
>> at
>> org
>> .logicalcobwebs
>> .proxool.HouseKeeperThread.run(HouseKeeperThread.java:46)
>> "SelectorThread-9998" daemon prio=6 tid=0x03064400 nid=0x14d8
>> runnable [0x0353f000..0x0353fb94]
>> java.lang.Thread.State: RUNNABLE
>> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native
>> Method)
>> at sun.nio.ch.WindowsSelectorImpl
>> $SubSelector.poll(WindowsSelectorImpl.java:274)
>> at sun.nio.ch.WindowsSelectorImpl$SubSelector.access
>> $400(WindowsSelectorImpl.java:256)
>> at
>> sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:137)
>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:
>> 69)
>> - locked <0x23095600> (a sun.nio.ch.Util$1)
>> - locked <0x23095610> (a java.util.Collections
>> $UnmodifiableSet)
>> - locked <0x23095588> (a sun.nio.ch.WindowsSelectorImpl)
>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
>> at
>> com.sun.grizzly.TCPSelectorHandler.select(TCPSelectorHandler.java:
>> 483)
>> at com.sun.grizzly.Controller.doSelect(Controller.java:372)
>> at
>> com
>> .sun.grizzly.SelectorHandlerRunner.run(SelectorHandlerRunner.java:82)
>> at
>> com
>> .sun.grizzly.Controller.startSelectorHandlerRunner(Controller.java:
>> 1169)
>> at com.sun.grizzly.Controller.start(Controller.java:976)
>> at
>> com
>> .sun.grizzly.http.SelectorThread.startListener(SelectorThread.java:
>> 1148)
>> - locked <0x22fa95f0> (a java.lang.Object)
>> at
>> com.sun.grizzly.http.SelectorThread.run(SelectorThread.java:1000)
>> "JMX server connection timeout 20" daemon prio=6 tid=0x02fed800
>> nid=0x1300 in Object.wait() [0x034ef000..0x034efc14]
>> java.lang.Thread.State: TIMED_WAITING (on object monitor)
>> at java.lang.Object.wait(Native Method)
>> - waiting on <0x22f56378> (a [I)
>> at com.sun.jmx.remote.internal.ServerCommunicatorAdmin
>> $Timeout.run(ServerCommunicatorAdmin.java:150)
>> - locked <0x22f56378> (a [I)
>> at java.lang.Thread.run(Thread.java:619)
>> "Thread-1" daemon prio=6 tid=0x02fc0c00 nid=0x1324 in Object.wait()
>> [0x0349f000..0x0349fc94]
>> java.lang.Thread.State: WAITING (on object monitor)
>> at java.lang.Object.wait(Native Method)
>> - waiting on <0x22eb5318> (a [Ljava.lang.Object;)
>> at java.lang.Object.wait(Object.java:485)
>> at
>> org.apache.felix.framework.Felix.acquireBundleLock(Felix.java:4227)
>> - locked <0x22eb5318> (a [Ljava.lang.Object;)
>> at
>> org.apache.felix.framework.Felix.registerService(Felix.java:2736)
>> at
>> org
>> .apache
>> .felix
>> .framework.BundleContextImpl.registerService(BundleContextImpl.java:
>> 252)
>> at
>> org
>> .apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:
>> 336)
>> at
>> org
>> .apache
>> .felix
>> .ipojo
>> .handlers
>> .providedservice
>> .ProvidedService.registerService(ProvidedService.java:285)
>> - locked <0x230c7630> (a
>> org.apache.felix.ipojo.handlers.providedservice.ProvidedService)
>> at
>> org
>> .apache
>> .felix
>> .ipojo
>> .handlers
>> .providedservice
>> .ProvidedServiceHandler.__stateChanged(ProvidedServiceHandler.
>> java:441)
>> at
>> org
>> .apache
>> .felix
>> .ipojo
>> .handlers
>> .providedservice
>> .ProvidedServiceHandler.stateChanged(ProvidedServiceHandler.ja
>> va)
>> at
>> org
>> .apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:
>> 428)
>> at
>> org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:
>> 309)
>> at
>> org
>> .apache
>> .felix.ipojo.ComponentFactory.createInstance(ComponentFactory.java:
>> 155)
>> at
>> org
>> .apache
>> .felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:
>> 283)
>> - locked <0x230a5ac0> (a
>> org.apache.felix.ipojo.ComponentFactory)
>> at
>> org
>> .apache
>> .felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:
>> 220)
>> at org.apache.felix.ipojo.InstanceCreator
>> $ManagedInstance.create(InstanceCreator.java:349)
>> at
>> org
>> .apache
>> .felix.ipojo.InstanceCreator.addInstance(InstanceCreator.java:84)
>> - locked <0x22f31748> (a
>> org.apache.felix.ipojo.InstanceCreator)
>> at org.apache.felix.ipojo.Extender.parse(Extender.java:269)
>> at
>> org.apache.felix.ipojo.Extender.startManagementFor(Extender.java:208)
>> at org.apache.felix.ipojo.Extender.access$600(Extender.java:
>> 52)
>> at org.apache.felix.ipojo.Extender
>> $CreatorThread.run(Extender.java:669)
>> at java.lang.Thread.run(Thread.java:619)
>> "RMI TCP Connection(2)-172.16.173.69" daemon prio=6 tid=0x02f73c00
>> nid=0x1338 runnable [0x0344f000..0x0344fd14]
>> java.lang.Thread.State: RUNNABLE
>> at java.net.SocketInputStream.socketRead0(Native Method)
>> at java.net.SocketInputStream.read(SocketInputStream.java:129)
>> at java.io.BufferedInputStream.fill(BufferedInputStream.java:
>> 218)
>> at java.io.BufferedInputStream.read(BufferedInputStream.java:
>> 237)
>> - locked <0x22f58548> (a java.io.BufferedInputStream)
>> at java.io.FilterInputStream.read(FilterInputStream.java:66)
>> at
>> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:
>> 517)
>> at sun.rmi.transport.tcp.TCPTransport
>> $ConnectionHandler.run0(TCPTransport.java:790)
>> at sun.rmi.transport.tcp.TCPTransport
>> $ConnectionHandler.run(TCPTransport.java:649)
>> at java.util.concurrent.ThreadPoolExecutor
>> $Worker.runTask(ThreadPoolExecutor.java:886)
>> at java.util.concurrent.ThreadPoolExecutor
>> $Worker.run(ThreadPoolExecutor.java:908)
>> at java.lang.Thread.run(Thread.java:619)
>> "RMI Scheduler(0)" daemon prio=6 tid=0x02f90800 nid=0xddc waiting
>> on condition [0x033ff000..0x033ffd94]
>> java.lang.Thread.State: TIMED_WAITING (parking)
>> at sun.misc.Unsafe.park(Native Method)
>> - parking to wait for <0x22eb1098> (a
>> java.util.concurrent.locks.AbstractQueuedSynchronizer
>> $ConditionObject)
>> at
>> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:
>> 198)
>> at java.util.concurrent.locks.AbstractQueuedSynchronizer
>> $ConditionObject.awaitNanos(AbstractQueuedSynchronizer.j
>> ava:1963)
>> at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
>> at java.util.concurrent.ScheduledThreadPoolExecutor
>> $DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583)
>> at java.util.concurrent.ScheduledThreadPoolExecutor
>> $DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576)
>> at
>> java
>> .util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:
>> 947)
>> at java.util.concurrent.ThreadPoolExecutor
>> $Worker.run(ThreadPoolExecutor.java:907)
>> at java.lang.Thread.run(Thread.java:619)
>> "RMI TCP Connection(1)-172.16.173.69" daemon prio=6 tid=0x02fbf800
>> nid=0x137c runnable [0x033af000..0x033afa14]
>> java.lang.Thread.State: RUNNABLE
>> at java.net.SocketInputStream.socketRead0(Native Method)
>> at java.net.SocketInputStream.read(SocketInputStream.java:129)
>> at java.io.BufferedInputStream.fill(BufferedInputStream.java:
>> 218)
>> at java.io.BufferedInputStream.read(BufferedInputStream.java:
>> 237)
>> - locked <0x22f44358> (a java.io.BufferedInputStream)
>> at java.io.FilterInputStream.read(FilterInputStream.java:66)
>> at
>> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:
>> 517)
>> at sun.rmi.transport.tcp.TCPTransport
>> $ConnectionHandler.run0(TCPTransport.java:790)
>> at sun.rmi.transport.tcp.TCPTransport
>> $ConnectionHandler.run(TCPTransport.java:649)
>> at java.util.concurrent.ThreadPoolExecutor
>> $Worker.runTask(ThreadPoolExecutor.java:886)
>> at java.util.concurrent.ThreadPoolExecutor
>> $Worker.run(ThreadPoolExecutor.java:908)
>> at java.lang.Thread.run(Thread.java:619)
>> "telnetconsole.Listener" daemon prio=6 tid=0x02fa7c00 nid=0x12fc
>> runnable [0x0335f000..0x0335fa94]
>> java.lang.Thread.State: RUNNABLE
>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
>> - locked <0x22f27e68> (a java.net.SocksSocketImpl)
>> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
>> at java.net.ServerSocket.accept(ServerSocket.java:421)
>> at org.apache.felix.shell.remote.Listener
>> $Acceptor.run(Listener.java:109)
>> at java.lang.Thread.run(Thread.java:619)
>> "FelixPackageAdmin" daemon prio=6 tid=0x02f80400 nid=0x1040 in
>> Object.wait() [0x0330f000..0x0330fb14]
>> java.lang.Thread.State: WAITING (on object monitor)
>> at java.lang.Object.wait(Native Method)
>> - waiting on <0x22f23510> (a
>> org.apache.felix.framework.PackageAdminImpl)
>> at java.lang.Object.wait(Object.java:485)
>> at
>> org
>> .apache.felix.framework.PackageAdminImpl.run(PackageAdminImpl.java:
>> 322)
>> - locked <0x22f23510> (a
>> org.apache.felix.framework.PackageAdminImpl)
>> at java.lang.Thread.run(Thread.java:619)
>> "FelixStartLevel" daemon prio=6 tid=0x02f65400 nid=0x1304 waiting
>> for monitor entry [0x032bf000..0x032bfb94]
>> java.lang.Thread.State: BLOCKED (on object monitor)
>> at
>> org
>> .apache
>> .felix
>> .ipojo.IPojoFactory.removeFactoryStateListener(IPojoFactory.java:470)
>> - waiting to lock <0x230a5ac0> (a
>> org.apache.felix.ipojo.ComponentFactory)
>> at
>> org
>> .apache
>> .felix.ipojo.InstanceCreator.removeFactory(InstanceCreator.java:182)
>> at
>> org.apache.felix.ipojo.Extender.closeManagementFor(Extender.java:156)
>> at
>> org.apache.felix.ipojo.Extender.bundleChanged(Extender.java:129)
>> - locked <0x22f2ff28> (a org.apache.felix.ipojo.Extender)
>> at
>> org
>> .apache
>> .felix
>> .framework
>> .util
>> .EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:
>> 745)
>> at
>> org
>> .apache
>> .felix
>> .framework
>> .util.EventDispatcher.fireEventImmediately(EventDispatcher.java:674)
>> at
>> org
>> .apache
>> .felix
>> .framework
>> .util.EventDispatcher.fireBundleEvent(EventDispatcher.java:587)
>> at
>> org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:3629)
>> at org.apache.felix.framework.Felix._stopBundle(Felix.java:
>> 2076)
>> at org.apache.felix.framework.Felix.stopBundle(Felix.java:
>> 2034)
>> at
>> org.apache.felix.framework.Felix.setFrameworkStartLevel(Felix.java:
>> 1197)
>> at
>> org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:
>> 265)
>> at java.lang.Thread.run(Thread.java:619)
>> "FelixDispatchQueue" prio=6 tid=0x02f75800 nid=0x11a8 in
>> Object.wait() [0x0326f000..0x0326fc14]
>> java.lang.Thread.State: WAITING (on object monitor)
>> at java.lang.Object.wait(Native Method)
>> - waiting on <0x22ebfce0> (a java.util.ArrayList)
>> at java.lang.Object.wait(Object.java:485)
>> at
>> org
>> .apache
>> .felix.framework.util.EventDispatcher.run(EventDispatcher.java:849)
>> - locked <0x22ebfce0> (a java.util.ArrayList)
>> at org.apache.felix.framework.util.EventDispatcher.access
>> $000(EventDispatcher.java:45)
>> at org.apache.felix.framework.util.EventDispatcher
>> $1.run(EventDispatcher.java:97)
>> at java.lang.Thread.run(Thread.java:619)
>> "RMI TCP Accept-0" daemon prio=6 tid=0x02f30c00 nid=0x5e4 runnable
>> [0x031bf000..0x031bfd14]
>> java.lang.Thread.State: RUNNABLE
>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
>> - locked <0x22ea5788> (a java.net.SocksSocketImpl)
>> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
>> at java.net.ServerSocket.accept(ServerSocket.java:421)
>> at sun.management.jmxremote.LocalRMIServerSocketFactory
>> $1.accept(LocalRMIServerSocketFactory.java:34)
>> at sun.rmi.transport.tcp.TCPTransport
>> $AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
>> at sun.rmi.transport.tcp.TCPTransport
>> $AcceptLoop.run(TCPTransport.java:341)
>> at java.lang.Thread.run(Thread.java:619)
>> "RMI TCP Accept-1199" daemon prio=6 tid=0x02f29c00 nid=0x8dc
>> runnable [0x0316f000..0x0316fd94]
>> java.lang.Thread.State: RUNNABLE
>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
>> - locked <0x22ea5978> (a java.net.SocksSocketImpl)
>> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
>> at java.net.ServerSocket.accept(ServerSocket.java:421)
>> at sun.rmi.transport.tcp.TCPTransport
>> $AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
>> at sun.rmi.transport.tcp.TCPTransport
>> $AcceptLoop.run(TCPTransport.java:341)
>> at java.lang.Thread.run(Thread.java:619)
>> "RMI TCP Accept-0" daemon prio=6 tid=0x02f25c00 nid=0x1138 runnable
>> [0x0311f000..0x0311fa14]
>> java.lang.Thread.State: RUNNABLE
>> at java.net.PlainSocketImpl.socketAccept(Native Method)
>> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
>> - locked <0x22ea5b68> (a java.net.SocksSocketImpl)
>> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
>> at java.net.ServerSocket.accept(ServerSocket.java:421)
>> at sun.rmi.transport.tcp.TCPTransport
>> $AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
>> at sun.rmi.transport.tcp.TCPTransport
>> $AcceptLoop.run(TCPTransport.java:341)
>> at java.lang.Thread.run(Thread.java:619)
>> "Low Memory Detector" daemon prio=6 tid=0x02a6ec00 nid=0x13e0
>> runnable [0x00000000..0x00000000]
>> java.lang.Thread.State: RUNNABLE
>> "CompilerThread0" daemon prio=10 tid=0x02a6b800 nid=0x17dc waiting
>> on condition [0x00000000..0x02d1f840]
>> java.lang.Thread.State: RUNNABLE
>> "Attach Listener" daemon prio=10 tid=0x02a6a000 nid=0xdbc runnable
>> [0x00000000..0x00000000]
>> java.lang.Thread.State: RUNNABLE
>> "Signal Dispatcher" daemon prio=10 tid=0x02a68c00 nid=0xaf0 waiting
>> on condition [0x00000000..0x00000000]
>> java.lang.Thread.State: RUNNABLE
>> "Finalizer" daemon prio=8 tid=0x02a63c00 nid=0x127c in
>> Object.wait() [0x02c2f000..0x02c2fc94]
>> java.lang.Thread.State: WAITING (on object monitor)
>> at java.lang.Object.wait(Native Method)
>> - waiting on <0x22e96ee8> (a java.lang.ref.ReferenceQueue
>> $Lock)
>> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:
>> 116)
>> - locked <0x22e96ee8> (a java.lang.ref.ReferenceQueue$Lock)
>> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:
>> 132)
>> at java.lang.ref.Finalizer
>> $FinalizerThread.run(Finalizer.java:159)
>> "Reference Handler" daemon prio=10 tid=0x02a5f400 nid=0x12a0 in
>> Object.wait() [0x02bdf000..0x02bdfd14]
>> java.lang.Thread.State: WAITING (on object monitor)
>> at java.lang.Object.wait(Native Method)
>> - waiting on <0x22e96f70> (a java.lang.ref.Reference$Lock)
>> at java.lang.Object.wait(Object.java:485)
>> at java.lang.ref.Reference
>> $ReferenceHandler.run(Reference.java:116)
>> - locked <0x22e96f70> (a java.lang.ref.Reference$Lock)
>> "main" prio=6 tid=0x002a6c00 nid=0x12a4 in Object.wait()
>> [0x0090f000..0x0090fe54]
>> java.lang.Thread.State: WAITING (on object monitor)
>> at java.lang.Object.wait(Native Method)
>> - waiting on <0x22f16ed0> (a
>> org.apache.felix.framework.util.ThreadGate)
>> at
>> org.apache.felix.framework.util.ThreadGate.await(ThreadGate.java:48)
>> - locked <0x22f16ed0> (a
>> org.apache.felix.framework.util.ThreadGate)
>> at org.apache.felix.framework.Felix.waitForStop(Felix.java:
>> 997)
>> at
>> com
>> .axway.visualization.server.bootstrap.Bootstrap.main(Bootstrap.java:
>> 112)
>> "VM Thread" prio=10 tid=0x02a5d800 nid=0x1038 runnable
>> "VM Periodic Task Thread" prio=10 tid=0x02f32800 nid=0x1190 waiting
>> on condition
>> JNI global references: 1144
>> Heap
>> def new generation total 960K, used 476K [0x22970000, 0x22a70000,
>> 0x22e50000)
>> eden space 896K, 48% used [0x22970000, 0x229dd688, 0x22a50000)
>> from space 64K, 99% used [0x22a60000, 0x22a6fff8, 0x22a70000)
>> to space 64K, 0% used [0x22a50000, 0x22a50000, 0x22a60000)
>> tenured generation total 6424K, used 5802K [0x22e50000,
>> 0x23496000, 0x26970000)
>> the space 6424K, 90% used [0x22e50000, 0x233fa800, 0x233fa800,
>> 0x23496000)
>> compacting perm gen total 12288K, used 9883K [0x26970000,
>> 0x27570000, 0x2a970000)
>> the space 12288K, 80% used [0x26970000, 0x27316fb0, 0x27317000,
>> 0x27570000)
>> ro space 8192K, 67% used [0x2a970000, 0x2aed2d98, 0x2aed2e00,
>> 0x2b170000)
>> rw space 12288K, 53% used [0x2b170000, 0x2b7e0640, 0x2b7e0800,
>> 0x2bd70000)
>> What I understand is that the thread "FelixStartLevel" is blocked
>> by the thread "Thread-1" from iPojo.
>> In my case iPojo is in the process of validating a service while a
>> shutdown felix command is started.
>> I suspect this is maybe related to this bug : https://issues.apache.org/jira/browse/FELIX-911
>> Tell me if you need more information other than the thread dump.
>> Thanks.
>> Regards
>> David
>
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> You can reply to this email to add a comment to the issue online.
>
[jira] Commented: (FELIX-951) Deadlock in iPojo when stopping Felix
Posted by "David GAY (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/FELIX-951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12675581#action_12675581 ]
David GAY commented on FELIX-951:
---------------------------------
Hi,
I've tested with a fresh trunk version today.
And very good news : there is no more deadlock !
I made a simple test : a iPojo like that inside a bundle :
@Component
@Provides
public class DarkStarServiceImpl implements DarkStarService
{
// .... bla bla bla
@Validate
public void buildDarkStar()
{
// Gives me some time to build an artificial moon please !!!
try { Thread.sleep( 100000 ); } catch (Exception ex ) {}
}
// ... bla bla bla
}
run it and type shutdown in the console ... with Felix 1.4.1 the server never stop.
With the today's trunk version (1.5.0-SNAPSHOT) the server stop. Excellent !
Thanks again for your help. Keep the good work.
PS: I don't know if it's my role to close issue. Please let me known what the correct procedure is.
Bon week end. Salut et merci.
> Deadlock in iPojo when stopping Felix
> -------------------------------------
>
> Key: FELIX-951
> URL: https://issues.apache.org/jira/browse/FELIX-951
> Project: Felix
> Issue Type: Bug
> Components: iPOJO
> Affects Versions: iPOJO-1.2.0
> Environment: JDK 1.6 / Windows XP
> Reporter: David GAY
> Priority: Critical
>
> I suspect a deadlock when iPojo register services while Felix framework stopping the bundles (shutdown)
> This is the thread dump of the JVM :
> Full thread dump Java HotSpot(TM) Client VM (11.0-b16 mixed mode, sharing):
> "FelixShutdown" daemon prio=6 tid=0x030ba400 nid=0x1168 in Object.wait() [0x03b1f000..0x03b1fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230fb080> (a java.lang.Integer)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.StartLevelImpl.setStartLevelAndWait(StartLevelImpl.java:136)
> - locked <0x230fb080> (a java.lang.Integer)
> at org.apache.felix.framework.Felix$SystemBundleActivator.run(Felix.java:3876)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03542800 nid=0x1478 waiting on condition [0x03a7f000..0x03a7fd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(idle)" daemon prio=6 tid=0x03548800 nid=0x14e0 waiting on condition [0x03a2f000..0x03a2fa14]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eaeec8> (a java.util.concurrent.SynchronousQueue$TransferStack)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:424)
> at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:323)
> at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:874)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:945)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "Prototyper" daemon prio=6 tid=0x030bb400 nid=0x146c in Object.wait() [0x039df000..0x039dfa94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at java.lang.Object.wait(Object.java:485)
> at org.logicalcobwebs.proxool.PrototyperThread.doWait(PrototyperThread.java:69)
> - locked <0x230ec668> (a org.logicalcobwebs.proxool.PrototyperThread)
> at org.logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:58)
> "HouseKeeper" daemon prio=6 tid=0x030c4400 nid=0x14c4 waiting on condition [0x0398f000..0x0398fb14]
> java.lang.Thread.State: TIMED_WAITING (sleeping)
> at java.lang.Thread.sleep(Native Method)
> at org.logicalcobwebs.proxool.HouseKeeperThread.run(HouseKeeperThread.java:46)
> "SelectorThread-9998" daemon prio=6 tid=0x03064400 nid=0x14d8 runnable [0x0353f000..0x0353fb94]
> java.lang.Thread.State: RUNNABLE
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(WindowsSelectorImpl.java:274)
> at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(WindowsSelectorImpl.java:256)
> at sun.nio.ch.WindowsSelectorImpl.doSelect(WindowsSelectorImpl.java:137)
> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:69)
> - locked <0x23095600> (a sun.nio.ch.Util$1)
> - locked <0x23095610> (a java.util.Collections$UnmodifiableSet)
> - locked <0x23095588> (a sun.nio.ch.WindowsSelectorImpl)
> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:80)
> at com.sun.grizzly.TCPSelectorHandler.select(TCPSelectorHandler.java:483)
> at com.sun.grizzly.Controller.doSelect(Controller.java:372)
> at com.sun.grizzly.SelectorHandlerRunner.run(SelectorHandlerRunner.java:82)
> at com.sun.grizzly.Controller.startSelectorHandlerRunner(Controller.java:1169)
> at com.sun.grizzly.Controller.start(Controller.java:976)
> at com.sun.grizzly.http.SelectorThread.startListener(SelectorThread.java:1148)
> - locked <0x22fa95f0> (a java.lang.Object)
> at com.sun.grizzly.http.SelectorThread.run(SelectorThread.java:1000)
> "JMX server connection timeout 20" daemon prio=6 tid=0x02fed800 nid=0x1300 in Object.wait() [0x034ef000..0x034efc14]
> java.lang.Thread.State: TIMED_WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f56378> (a [I)
> at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150)
> - locked <0x22f56378> (a [I)
> at java.lang.Thread.run(Thread.java:619)
> "Thread-1" daemon prio=6 tid=0x02fc0c00 nid=0x1324 in Object.wait() [0x0349f000..0x0349fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22eb5318> (a [Ljava.lang.Object;)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.Felix.acquireBundleLock(Felix.java:4227)
> - locked <0x22eb5318> (a [Ljava.lang.Object;)
> at org.apache.felix.framework.Felix.registerService(Felix.java:2736)
> at org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:252)
> at org.apache.felix.ipojo.IPojoContext.registerService(IPojoContext.java:336)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedService.registerService(ProvidedService.java:285)
> - locked <0x230c7630> (a org.apache.felix.ipojo.handlers.providedservice.ProvidedService)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.__stateChanged(ProvidedServiceHandler.
> java:441)
> at org.apache.felix.ipojo.handlers.providedservice.ProvidedServiceHandler.stateChanged(ProvidedServiceHandler.ja
> va)
> at org.apache.felix.ipojo.InstanceManager.setState(InstanceManager.java:428)
> at org.apache.felix.ipojo.InstanceManager.start(InstanceManager.java:309)
> at org.apache.felix.ipojo.ComponentFactory.createInstance(ComponentFactory.java:155)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:283)
> - locked <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.IPojoFactory.createComponentInstance(IPojoFactory.java:220)
> at org.apache.felix.ipojo.InstanceCreator$ManagedInstance.create(InstanceCreator.java:349)
> at org.apache.felix.ipojo.InstanceCreator.addInstance(InstanceCreator.java:84)
> - locked <0x22f31748> (a org.apache.felix.ipojo.InstanceCreator)
> at org.apache.felix.ipojo.Extender.parse(Extender.java:269)
> at org.apache.felix.ipojo.Extender.startManagementFor(Extender.java:208)
> at org.apache.felix.ipojo.Extender.access$600(Extender.java:52)
> at org.apache.felix.ipojo.Extender$CreatorThread.run(Extender.java:669)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(2)-172.16.173.69" daemon prio=6 tid=0x02f73c00 nid=0x1338 runnable [0x0344f000..0x0344fd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f58548> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "RMI Scheduler(0)" daemon prio=6 tid=0x02f90800 nid=0xddc waiting on condition [0x033ff000..0x033ffd94]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x22eb1098> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.j
> ava:1963)
> at java.util.concurrent.DelayQueue.take(DelayQueue.java:164)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583)
> at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576)
> at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Connection(1)-172.16.173.69" daemon prio=6 tid=0x02fbf800 nid=0x137c runnable [0x033af000..0x033afa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.read(SocketInputStream.java:129)
> at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
> - locked <0x22f44358> (a java.io.BufferedInputStream)
> at java.io.FilterInputStream.read(FilterInputStream.java:66)
> at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
> at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> "telnetconsole.Listener" daemon prio=6 tid=0x02fa7c00 nid=0x12fc runnable [0x0335f000..0x0335fa94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22f27e68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at org.apache.felix.shell.remote.Listener$Acceptor.run(Listener.java:109)
> at java.lang.Thread.run(Thread.java:619)
> "FelixPackageAdmin" daemon prio=6 tid=0x02f80400 nid=0x1040 in Object.wait() [0x0330f000..0x0330fb14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.PackageAdminImpl.run(PackageAdminImpl.java:322)
> - locked <0x22f23510> (a org.apache.felix.framework.PackageAdminImpl)
> at java.lang.Thread.run(Thread.java:619)
> "FelixStartLevel" daemon prio=6 tid=0x02f65400 nid=0x1304 waiting for monitor entry [0x032bf000..0x032bfb94]
> java.lang.Thread.State: BLOCKED (on object monitor)
> at org.apache.felix.ipojo.IPojoFactory.removeFactoryStateListener(IPojoFactory.java:470)
> - waiting to lock <0x230a5ac0> (a org.apache.felix.ipojo.ComponentFactory)
> at org.apache.felix.ipojo.InstanceCreator.removeFactory(InstanceCreator.java:182)
> at org.apache.felix.ipojo.Extender.closeManagementFor(Extender.java:156)
> at org.apache.felix.ipojo.Extender.bundleChanged(Extender.java:129)
> - locked <0x22f2ff28> (a org.apache.felix.ipojo.Extender)
> at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:745)
> at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:674)
> at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:587)
> at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:3629)
> at org.apache.felix.framework.Felix._stopBundle(Felix.java:2076)
> at org.apache.felix.framework.Felix.stopBundle(Felix.java:2034)
> at org.apache.felix.framework.Felix.setFrameworkStartLevel(Felix.java:1197)
> at org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:265)
> at java.lang.Thread.run(Thread.java:619)
> "FelixDispatchQueue" prio=6 tid=0x02f75800 nid=0x11a8 in Object.wait() [0x0326f000..0x0326fc14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22ebfce0> (a java.util.ArrayList)
> at java.lang.Object.wait(Object.java:485)
> at org.apache.felix.framework.util.EventDispatcher.run(EventDispatcher.java:849)
> - locked <0x22ebfce0> (a java.util.ArrayList)
> at org.apache.felix.framework.util.EventDispatcher.access$000(EventDispatcher.java:45)
> at org.apache.felix.framework.util.EventDispatcher$1.run(EventDispatcher.java:97)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f30c00 nid=0x5e4 runnable [0x031bf000..0x031bfd14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5788> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:34)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-1199" daemon prio=6 tid=0x02f29c00 nid=0x8dc runnable [0x0316f000..0x0316fd94]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5978> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "RMI TCP Accept-0" daemon prio=6 tid=0x02f25c00 nid=0x1138 runnable [0x0311f000..0x0311fa14]
> java.lang.Thread.State: RUNNABLE
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
> - locked <0x22ea5b68> (a java.net.SocksSocketImpl)
> at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369)
> at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341)
> at java.lang.Thread.run(Thread.java:619)
> "Low Memory Detector" daemon prio=6 tid=0x02a6ec00 nid=0x13e0 runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "CompilerThread0" daemon prio=10 tid=0x02a6b800 nid=0x17dc waiting on condition [0x00000000..0x02d1f840]
> java.lang.Thread.State: RUNNABLE
> "Attach Listener" daemon prio=10 tid=0x02a6a000 nid=0xdbc runnable [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Signal Dispatcher" daemon prio=10 tid=0x02a68c00 nid=0xaf0 waiting on condition [0x00000000..0x00000000]
> java.lang.Thread.State: RUNNABLE
> "Finalizer" daemon prio=8 tid=0x02a63c00 nid=0x127c in Object.wait() [0x02c2f000..0x02c2fc94]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96ee8> (a java.lang.ref.ReferenceQueue$Lock)
> at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
> - locked <0x22e96ee8> (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=0x02a5f400 nid=0x12a0 in Object.wait() [0x02bdf000..0x02bdfd14]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22e96f70> (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 <0x22e96f70> (a java.lang.ref.Reference$Lock)
> "main" prio=6 tid=0x002a6c00 nid=0x12a4 in Object.wait() [0x0090f000..0x0090fe54]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.util.ThreadGate.await(ThreadGate.java:48)
> - locked <0x22f16ed0> (a org.apache.felix.framework.util.ThreadGate)
> at org.apache.felix.framework.Felix.waitForStop(Felix.java:997)
> at com.axway.visualization.server.bootstrap.Bootstrap.main(Bootstrap.java:112)
> "VM Thread" prio=10 tid=0x02a5d800 nid=0x1038 runnable
> "VM Periodic Task Thread" prio=10 tid=0x02f32800 nid=0x1190 waiting on condition
> JNI global references: 1144
> Heap
> def new generation total 960K, used 476K [0x22970000, 0x22a70000, 0x22e50000)
> eden space 896K, 48% used [0x22970000, 0x229dd688, 0x22a50000)
> from space 64K, 99% used [0x22a60000, 0x22a6fff8, 0x22a70000)
> to space 64K, 0% used [0x22a50000, 0x22a50000, 0x22a60000)
> tenured generation total 6424K, used 5802K [0x22e50000, 0x23496000, 0x26970000)
> the space 6424K, 90% used [0x22e50000, 0x233fa800, 0x233fa800, 0x23496000)
> compacting perm gen total 12288K, used 9883K [0x26970000, 0x27570000, 0x2a970000)
> the space 12288K, 80% used [0x26970000, 0x27316fb0, 0x27317000, 0x27570000)
> ro space 8192K, 67% used [0x2a970000, 0x2aed2d98, 0x2aed2e00, 0x2b170000)
> rw space 12288K, 53% used [0x2b170000, 0x2b7e0640, 0x2b7e0800, 0x2bd70000)
> What I understand is that the thread "FelixStartLevel" is blocked by the thread "Thread-1" from iPojo.
> In my case iPojo is in the process of validating a service while a shutdown felix command is started.
> I suspect this is maybe related to this bug : https://issues.apache.org/jira/browse/FELIX-911
> Tell me if you need more information other than the thread dump.
> Thanks.
> Regards
> David
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