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From "David Jencks (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FELIX-3680) Exceptions in SCR using concurrent service activation/deactivation
Date Sun, 21 Oct 2012 17:32:11 GMT

    [ https://issues.apache.org/jira/browse/FELIX-3680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13480998#comment-13480998 ] 

David Jencks commented on FELIX-3680:
-------------------------------------

I have no reason to suppose this is the last concurrency issue :-)

We'll keep getting duplicate bind and unbind events until we synchronized the service registration.

Locally I've hacked away the read lock and synchronized the service registration. Most things seem to work well, including the FELIX-3680_2Test, but it has exposed some problems in the FELIX3680Test.  One problem is that waiting for the deactivations does not mean all the components are disabled, since e.g. G can be deactivated by H being deactivated.  This can result in G being disabled, G being enabled, and then G being deactivated.on a separate thread.  I think we might want to do something so that disable blocks until activation completes and enable blocks until deactivation completes.  I wonder if the spec should mention this?

BTW removing the read lock produces a dramatic speedup.  Instead of getting about 5000 runs in the _2 test I get around 50000.
                
> Exceptions in SCR using concurrent service activation/deactivation
> ------------------------------------------------------------------
>
>                 Key: FELIX-3680
>                 URL: https://issues.apache.org/jira/browse/FELIX-3680
>             Project: Felix
>          Issue Type: Bug
>          Components: Declarative Services (SCR)
>         Environment: linux fc16, jdk1.6.032
>            Reporter: Pierre De Rop
>         Attachments: FELIX-3680-concurrent-activate.diff, integration_test_FELIX_3880_2.tgz, logs_with_could_not_get_service_from_ref.txt.gz, serial-executor.tgz, test.scr.tgz, test_with_fwk.tgz
>
>
> This issue contains a sample code which reproduces many various exceptions, using a concurrent
> scenario, where some services are enabled/disabled concurrently.
> I did not have time to commit an integration test about these exceptions but I will try to do.
> In the meantime, I join to this issue my scenario ... 
> Before trying to make an integration test, could you please run the scenario, in order to confirm the problems, and that the scenario is valid ?
> To execute the scenario
> 1) first, since the framework is not currently using any available log service, you have to make a modification in the framework, in order to force the framework to use a log service, when displaying caught exceptions. If you don't do this, then you will get many exceptions thrown by many threads and displayed in the console; and this is then not easy to diagnose problems.
> So, in the framework, in the file src/main/java/org/apache/felix/framework/Logger.java, in method setBundleContext, just uncomment the following code, which activate the fwk log service listener:
>     protected void setSystemBundleContext(BundleContext context)
>     {
>         // TODO: Find a way to log to a log service inside the framework.
>         // The issue is that we log messages while holding framework
>         // internal locks -- hence, when a log service calls back into 
>         // the framework (e.g., by loading a class) we might deadlock. 
>         // One instance of this problem is tracked in FELIX-536.
>         // For now we just disable logging to log services inside the
>         // framework. 
>         m_context = context;
>         startListeningForLogService();
>     }
> -> this will make sure all logs caught by the framework are redirected to the log service, and I did not find any deadlock issue, as described in the comments.
> Notice that even if you don't activate the log service listener, then the Exceptions are also taking place ...
> 2) next, compile the attached concurrent scenario (it's a simple maven project).
> 3) run the framework with the following bundles:
> org.apache.felix.scr from trunk
> org.apache.felix.configadmin-1.4.0.jar
> 4) wait for about 20 seconds, then suspend the framework, and kill it (using kill -9)
> Don't do "Ctrl-C", because this might interrupt some locked threads and some exceptions might be generated because of the Ctlr-C ... So doing a "Kill -9" is better.
> 5) Then take a look at the produced "./logs.txt" file.
> scenario description:
> ===============
> here is a description of the Components used in the scenario:
> A: delayed component, enabled, depending on B,C,D,E,F
> B,C,D,E: delayed components, disabled, without any dependencies
> F: delayed component, disabled, depending on G
> G: delayed component, disabled, depending on H
> I: delayed component, disabled, depending on J
> J: delayed component, disabled, depending on K
> Main: depends on A. 
> "Main" is the main scenario component: it uses a thread pool in order to enable B,C,D,E,F,G,H,I,J,K in parallel, randomly. 
> "Main" depends on A.
> When B,C,D,E,F,G,H,I,J,K are enabled, then A becomes satisfied, provided and injected in the "Main" component.
> Once "A" is bound to "Main", then B,C,D,E,F,G,H,I,J,K are then disabled in parallel, randomly. "Main" also checks that "A" is properly unbound.
> LogService logs are written to "./logs.txt".
> So, running the test using scr 1.6.0 runs seamlessly. But with trunk we have many various exceptions.
> For example, I have noticed the three following exceptions:
> 1) we have some IllegalMontorStateException:
> =================================
> log level: 1 D=Mon Sep 24 11:07:45 CEST 2012, T=Thread-1: [F] Locking activity before IllegalMonitorStateException: 
>   obtainWriteLock failure from: ImmediateComponentManager.ungetService.1 readLocks: 0 writeLocks: 0 thread: Thread[SCR Component Actor,5,main] time: 1348477665425 Could not obtain write lock.
> log level: 1 D=Mon Sep 24 11:07:45 CEST 2012, T=Thread-1: [F] Thread dump
> ThreadId: 59 : name: pool-1-thread-30 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 58 : name: pool-1-thread-29 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 57 : name: pool-1-thread-28 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 56 : name: pool-1-thread-27 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 55 : name: pool-1-thread-26 State: BLOCKED
>   LockInfo: org.apache.felix.framework.ServiceRegistry@ae533a LockOwnerId: 15 LockOwnerName: SCR Component Actor
>   org.apache.felix.framework.ServiceRegistry.getServiceReferences(ServiceRegistry.java:204)
>   org.apache.felix.framework.Felix.getServiceReferences(Felix.java:3372)
>   org.apache.felix.framework.Felix.getAllowedServiceReferences(Felix.java:3445)
>   org.apache.felix.framework.BundleContextImpl.getServiceReferences(BundleContextImpl.java:432)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:658)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:634)
>   org.apache.felix.scr.impl.manager.DependencyManager.enable(DependencyManager.java:551)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableDependencyManagers(AbstractComponentManager.java:1056)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.access$700(AbstractComponentManager.java:63)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$Disabled.enable(AbstractComponentManager.java:1440)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:625)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:358)
>   org.apache.felix.scr.impl.config.ImmediateComponentHolder.enableComponents(ImmediateComponentHolder.java:384)
>   org.apache.felix.scr.impl.BundleComponentActivator.enableComponent(BundleComponentActivator.java:395)
>   org.apache.felix.scr.impl.manager.ComponentContextImpl.enableComponent(ComponentContextImpl.java:101)
>   test.scr.Main$EnableManager$1.run(Main.java:66)
>   java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 54 : name: pool-1-thread-25 State: BLOCKED
>   LockInfo: org.apache.felix.framework.ServiceRegistry@ae533a LockOwnerId: 15 LockOwnerName: SCR Component Actor
>   org.apache.felix.framework.ServiceRegistry.getServiceReferences(ServiceRegistry.java:204)
>   org.apache.felix.framework.Felix.getServiceReferences(Felix.java:3372)
>   org.apache.felix.framework.Felix.getAllowedServiceReferences(Felix.java:3445)
>   org.apache.felix.framework.BundleContextImpl.getServiceReferences(BundleContextImpl.java:432)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:658)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:634)
>   org.apache.felix.scr.impl.manager.DependencyManager.enable(DependencyManager.java:551)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableDependencyManagers(AbstractComponentManager.java:1056)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.access$700(AbstractComponentManager.java:63)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$Disabled.enable(AbstractComponentManager.java:1440)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:625)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:358)
>   org.apache.felix.scr.impl.config.ImmediateComponentHolder.enableComponents(ImmediateComponentHolder.java:384)
>   org.apache.felix.scr.impl.BundleComponentActivator.enableComponent(BundleComponentActivator.java:395)
>   org.apache.felix.scr.impl.manager.ComponentContextImpl.enableComponent(ComponentContextImpl.java:101)
>   test.scr.Main$EnableManager$1.run(Main.java:66)
>   java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 53 : name: pool-1-thread-24 State: BLOCKED
>   LockInfo: org.apache.felix.framework.ServiceRegistry@ae533a LockOwnerId: 15 LockOwnerName: SCR Component Actor
>   org.apache.felix.framework.ServiceRegistry.getServiceReferences(ServiceRegistry.java:204)
>   org.apache.felix.framework.Felix.getServiceReferences(Felix.java:3372)
>   org.apache.felix.framework.Felix.getAllowedServiceReferences(Felix.java:3445)
>   org.apache.felix.framework.BundleContextImpl.getServiceReferences(BundleContextImpl.java:432)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:658)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:634)
>   org.apache.felix.scr.impl.manager.DependencyManager.enable(DependencyManager.java:551)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableDependencyManagers(AbstractComponentManager.java:1056)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.access$700(AbstractComponentManager.java:63)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$Disabled.enable(AbstractComponentManager.java:1440)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:625)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:358)
>   org.apache.felix.scr.impl.config.ImmediateComponentHolder.enableComponents(ImmediateComponentHolder.java:384)
>   org.apache.felix.scr.impl.BundleComponentActivator.enableComponent(BundleComponentActivator.java:395)
>   org.apache.felix.scr.impl.manager.ComponentContextImpl.enableComponent(ComponentContextImpl.java:101)
>   test.scr.Main$EnableManager$1.run(Main.java:66)
>   java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 52 : name: pool-1-thread-23 State: BLOCKED
>   LockInfo: org.apache.felix.framework.ServiceRegistry@ae533a LockOwnerId: 15 LockOwnerName: SCR Component Actor
>   org.apache.felix.framework.ServiceRegistry.getServiceReferences(ServiceRegistry.java:204)
>   org.apache.felix.framework.Felix.getServiceReferences(Felix.java:3372)
>   org.apache.felix.framework.Felix.getAllowedServiceReferences(Felix.java:3445)
>   org.apache.felix.framework.BundleContextImpl.getServiceReferences(BundleContextImpl.java:432)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:658)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:634)
>   org.apache.felix.scr.impl.manager.DependencyManager.enable(DependencyManager.java:551)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableDependencyManagers(AbstractComponentManager.java:1056)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.access$700(AbstractComponentManager.java:63)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$Disabled.enable(AbstractComponentManager.java:1440)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:625)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:358)
>   org.apache.felix.scr.impl.config.ImmediateComponentHolder.enableComponents(ImmediateComponentHolder.java:384)
>   org.apache.felix.scr.impl.BundleComponentActivator.enableComponent(BundleComponentActivator.java:395)
>   org.apache.felix.scr.impl.manager.ComponentContextImpl.enableComponent(ComponentContextImpl.java:101)
>   test.scr.Main$EnableManager$1.run(Main.java:66)
>   java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 51 : name: pool-1-thread-22 State: BLOCKED
>   LockInfo: org.apache.felix.framework.ServiceRegistry@ae533a LockOwnerId: 15 LockOwnerName: SCR Component Actor
>   org.apache.felix.framework.ServiceRegistry.getServiceReferences(ServiceRegistry.java:204)
>   org.apache.felix.framework.Felix.getServiceReferences(Felix.java:3372)
>   org.apache.felix.framework.Felix.getAllowedServiceReferences(Felix.java:3445)
>   org.apache.felix.framework.BundleContextImpl.getServiceReferences(BundleContextImpl.java:432)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:658)
>   org.apache.felix.scr.impl.manager.DependencyManager.getFrameworkServiceReferences(DependencyManager.java:634)
>   org.apache.felix.scr.impl.manager.DependencyManager.enable(DependencyManager.java:551)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableDependencyManagers(AbstractComponentManager.java:1056)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.access$700(AbstractComponentManager.java:63)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$Disabled.enable(AbstractComponentManager.java:1440)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enableInternal(AbstractComponentManager.java:625)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.enable(AbstractComponentManager.java:358)
>   org.apache.felix.scr.impl.config.ImmediateComponentHolder.enableComponents(ImmediateComponentHolder.java:384)
>   org.apache.felix.scr.impl.BundleComponentActivator.enableComponent(BundleComponentActivator.java:395)
>   org.apache.felix.scr.impl.manager.ComponentContextImpl.enableComponent(ComponentContextImpl.java:101)
>   test.scr.Main$EnableManager$1.run(Main.java:66)
>   java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 50 : name: pool-1-thread-21 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 49 : name: pool-1-thread-20 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 48 : name: pool-1-thread-19 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 47 : name: pool-1-thread-18 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 46 : name: pool-1-thread-17 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 45 : name: pool-1-thread-16 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 44 : name: pool-1-thread-15 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 43 : name: pool-1-thread-14 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 42 : name: pool-1-thread-13 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 41 : name: pool-1-thread-12 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 40 : name: pool-1-thread-11 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 28 : name: pool-1-thread-10 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 27 : name: pool-1-thread-9 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 26 : name: pool-1-thread-8 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 25 : name: pool-1-thread-7 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 24 : name: pool-1-thread-6 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 23 : name: pool-1-thread-5 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 22 : name: pool-1-thread-4 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 21 : name: pool-1-thread-3 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 20 : name: pool-1-thread-2 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 19 : name: pool-1-thread-1 State: WAITING
>   LockInfo: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@15d17d7 LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
>   java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
>   java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
>   java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 17 : name: Thread-2 State: TIMED_WAITING
>   LockInfo: java.util.concurrent.CountDownLatch$Sync@ba5bdb LockOwnerId: -1 LockOwnerName: null
>   sun.misc.Unsafe.park(Native Method)
>   java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:196)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1011)
>   java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1303)
>   java.util.concurrent.CountDownLatch.await(CountDownLatch.java:253)
>   test.scr.Main.run(Main.java:157)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 16 : name: Thread-1 State: WAITING
>   LockInfo: java.util.ArrayList@e49dcd LockOwnerId: -1 LockOwnerName: null
>   java.lang.Object.wait(Native Method)
>   java.lang.Object.wait(Object.java:485)
>   org.apache.felix.log.LogListenerThread.run(LogListenerThread.java:139)
> ThreadId: 15 : name: SCR Component Actor State: RUNNABLE
>   LockInfo: null LockOwnerId: -1 LockOwnerName: null
>   sun.management.ThreadImpl.dumpThreads0(Native Method)
>   sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:433)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.dumpThreads(AbstractComponentManager.java:294)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.logLockingInfo(AbstractComponentManager.java:240)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.releaseReadLock(AbstractComponentManager.java:222)
>   org.apache.felix.scr.impl.manager.ImmediateComponentManager.ungetService(ImmediateComponentManager.java:706)
>   org.apache.felix.framework.ServiceRegistrationImpl.ungetFactoryUnchecked(ServiceRegistrationImpl.java:349)
>   org.apache.felix.framework.ServiceRegistrationImpl.ungetService(ServiceRegistrationImpl.java:258)
>   org.apache.felix.framework.ServiceRegistry.ungetService(ServiceRegistry.java:389)
>   org.apache.felix.framework.Felix.ungetService(Felix.java:3494)
>   org.apache.felix.framework.BundleContextImpl.ungetService(BundleContextImpl.java:486)
>   org.apache.felix.scr.impl.manager.DependencyManager.ungetService(DependencyManager.java:900)
>   org.apache.felix.scr.impl.manager.DependencyManager.unbind(DependencyManager.java:1138)
>   org.apache.felix.scr.impl.manager.DependencyManager.close(DependencyManager.java:970)
>   org.apache.felix.scr.impl.manager.ImmediateComponentManager.disposeImplementationObject(ImmediateComponentManager.java:274)
>   org.apache.felix.scr.impl.manager.ImmediateComponentManager.deleteComponent(ImmediateComponentManager.java:147)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$Active.ungetService(AbstractComponentManager.java:1697)
>   org.apache.felix.scr.impl.manager.ImmediateComponentManager.ungetService(ImmediateComponentManager.java:692)
>   org.apache.felix.framework.ServiceRegistrationImpl.ungetFactoryUnchecked(ServiceRegistrationImpl.java:349)
>   org.apache.felix.framework.ServiceRegistrationImpl.ungetService(ServiceRegistrationImpl.java:258)
>   org.apache.felix.framework.ServiceRegistry.ungetService(ServiceRegistry.java:389)
>   org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:158)
>   org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterComponentService(AbstractComponentManager.java:779)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$State.doDeactivate(AbstractComponentManager.java:1382)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$Satisfied.deactivate(AbstractComponentManager.java:1644)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:635)
>   org.apache.felix.scr.impl.manager.DependencyManager.serviceRemoved(DependencyManager.java:375)
>   org.apache.felix.scr.impl.manager.DependencyManager.serviceChanged(DependencyManager.java:217)
>   org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:932)
>   org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:793)
>   org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:543)
>   org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4327)
>   org.apache.felix.framework.Felix.access$000(Felix.java:74)
>   org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:390)
>   org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:148)
>   org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterComponentService(AbstractComponentManager.java:779)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$State.doDeactivate(AbstractComponentManager.java:1382)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$Disabled.deactivate(AbstractComponentManager.java:1456)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:635)
>   org.apache.felix.scr.impl.manager.AbstractComponentManager$2.run(AbstractComponentManager.java:435)
>   org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:98)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 14 : name: Gogo shell State: RUNNABLE
>   LockInfo: null LockOwnerId: -1 LockOwnerName: null
>   java.io.FileInputStream.readBytes(Native Method)
>   java.io.FileInputStream.read(FileInputStream.java:220)
>   java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
>   java.io.BufferedInputStream.read(BufferedInputStream.java:237)
>   org.apache.felix.gogo.runtime.threadio.ThreadInputStream.read(ThreadInputStream.java:77)
>   org.apache.felix.gogo.shell.Console.getLine(Console.java:117)
>   org.apache.felix.gogo.shell.Console.run(Console.java:53)
>   org.apache.felix.gogo.shell.Shell.console(Shell.java:203)
>   org.apache.felix.gogo.shell.Shell.gosh(Shell.java:128)
>   sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>   sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>   sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>   java.lang.reflect.Method.invoke(Method.java:597)
>   org.apache.felix.gogo.runtime.Reflective.invoke(Reflective.java:137)
>   org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:82)
>   org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:477)
>   org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:403)
>   org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)
>   org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183)
>   org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120)
>   org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89)
>   org.apache.felix.gogo.shell.Activator.run(Activator.java:75)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 13 : name: CM Event Dispatcher State: WAITING
>   LockInfo: java.util.LinkedList@13c0b53 LockOwnerId: -1 LockOwnerName: null
>   java.lang.Object.wait(Native Method)
>   java.lang.Object.wait(Object.java:485)
>   org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:77)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 12 : name: CM Configuration Updater State: WAITING
>   LockInfo: java.util.LinkedList@10b9279 LockOwnerId: -1 LockOwnerName: null
>   java.lang.Object.wait(Native Method)
>   java.lang.Object.wait(Object.java:485)
>   org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:77)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 11 : name: FelixStartLevel State: WAITING
>   LockInfo: java.util.ArrayList@bd6a5f LockOwnerId: -1 LockOwnerName: null
>   java.lang.Object.wait(Native Method)
>   java.lang.Object.wait(Object.java:485)
>   org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:273)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 10 : name: FelixDispatchQueue State: WAITING
>   LockInfo: java.util.ArrayList@192a848 LockOwnerId: -1 LockOwnerName: null
>   java.lang.Object.wait(Native Method)
>   java.lang.Object.wait(Object.java:485)
>   org.apache.felix.framework.util.EventDispatcher.run(EventDispatcher.java:1063)
>   org.apache.felix.framework.util.EventDispatcher.access$000(EventDispatcher.java:54)
>   org.apache.felix.framework.util.EventDispatcher$1.run(EventDispatcher.java:101)
>   java.lang.Thread.run(Thread.java:662)
> ThreadId: 4 : name: Signal Dispatcher State: RUNNABLE
>   LockInfo: null LockOwnerId: -1 LockOwnerName: null
> ThreadId: 3 : name: Finalizer State: WAITING
>   LockInfo: java.lang.ref.ReferenceQueue$Lock@16614e7 LockOwnerId: -1 LockOwnerName: null
>   java.lang.Object.wait(Native Method)
>   java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
>   java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
>   java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
> ThreadId: 2 : name: Reference Handler State: WAITING
>   LockInfo: java.lang.ref.Reference$Lock@e66f56 LockOwnerId: -1 LockOwnerName: null
>   java.lang.Object.wait(Native Method)
>   java.lang.Object.wait(Object.java:485)
>   java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
> ThreadId: 1 : name: main State: WAITING
>   LockInfo: org.apache.felix.framework.util.ThreadGate@979e8b LockOwnerId: -1 LockOwnerName: null
>   java.lang.Object.wait(Native Method)
>   org.apache.felix.framework.util.ThreadGate.await(ThreadGate.java:79)
>   org.apache.felix.framework.Felix.waitForStop(Felix.java:983)
>   org.apache.felix.main.Main.main(Main.java:299)
> log level: 1 D=Mon Sep 24 11:07:45 CEST 2012, T=Thread-1: ServiceRegistrationImpl: Error ungetting service.
> java.lang.IllegalMonitorStateException
> 	at java.util.concurrent.locks.ReentrantReadWriteLock$Sync.tryReleaseShared(ReentrantReadWriteLock.java:363)
> 	at java.util.concurrent.locks.AbstractQueuedSynchronizer.releaseShared(AbstractQueuedSynchronizer.java:1317)
> 	at java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.unlock(ReentrantReadWriteLock.java:745)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$JLock.unlockReadLock(AbstractComponentManager.java:1895)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.releaseReadLock(AbstractComponentManager.java:218)
> 	at org.apache.felix.scr.impl.manager.ImmediateComponentManager.ungetService(ImmediateComponentManager.java:706)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.ungetFactoryUnchecked(ServiceRegistrationImpl.java:349)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.ungetService(ServiceRegistrationImpl.java:258)
> 	at org.apache.felix.framework.ServiceRegistry.ungetService(ServiceRegistry.java:389)
> 	at org.apache.felix.framework.Felix.ungetService(Felix.java:3494)
> 	at org.apache.felix.framework.BundleContextImpl.ungetService(BundleContextImpl.java:486)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.ungetService(DependencyManager.java:900)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.unbind(DependencyManager.java:1138)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.close(DependencyManager.java:970)
> 	at org.apache.felix.scr.impl.manager.ImmediateComponentManager.disposeImplementationObject(ImmediateComponentManager.java:274)
> 	at org.apache.felix.scr.impl.manager.ImmediateComponentManager.deleteComponent(ImmediateComponentManager.java:147)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$Active.ungetService(AbstractComponentManager.java:1697)
> 	at org.apache.felix.scr.impl.manager.ImmediateComponentManager.ungetService(ImmediateComponentManager.java:692)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.ungetFactoryUnchecked(ServiceRegistrationImpl.java:349)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.ungetService(ServiceRegistrationImpl.java:258)
> 	at org.apache.felix.framework.ServiceRegistry.ungetService(ServiceRegistry.java:389)
> 	at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:158)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterComponentService(AbstractComponentManager.java:779)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$State.doDeactivate(AbstractComponentManager.java:1382)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$Satisfied.deactivate(AbstractComponentManager.java:1644)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:635)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.serviceRemoved(DependencyManager.java:375)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.serviceChanged(DependencyManager.java:217)
> 	at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:932)
> 	at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:793)
> 	at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:543)
> 	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4327)
> 	at org.apache.felix.framework.Felix.access$000(Felix.java:74)
> 	at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:390)
> 	at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:148)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterComponentService(AbstractComponentManager.java:779)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$State.doDeactivate(AbstractComponentManager.java:1382)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$Disabled.deactivate(AbstractComponentManager.java:1456)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:635)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$2.run(AbstractComponentManager.java:435)
> 	at org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:98)
> 	at java.lang.Thread.run(Thread.java:662)
> 2) we also have this IllegalStateException:
> ==============================
> log level: 1 D=Mon Sep 24 11:07:45 CEST 2012, T=Thread-1: ServiceRegistrationImpl: Error ungetting service.
> java.lang.IllegalStateException: ungetServiceUnsatisfied
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$State.ungetService(AbstractComponentManager.java:1336)
> 	at org.apache.felix.scr.impl.manager.ImmediateComponentManager.ungetService(ImmediateComponentManager.java:692)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.ungetFactoryUnchecked(ServiceRegistrationImpl.java:349)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.ungetService(ServiceRegistrationImpl.java:258)
> 	at org.apache.felix.framework.ServiceRegistry.ungetService(ServiceRegistry.java:389)
> 	at org.apache.felix.framework.Felix.ungetService(Felix.java:3494)
> 	at org.apache.felix.framework.BundleContextImpl.ungetService(BundleContextImpl.java:486)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.ungetService(DependencyManager.java:900)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.unbind(DependencyManager.java:1138)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.close(DependencyManager.java:970)
> 	at org.apache.felix.scr.impl.manager.ImmediateComponentManager.disposeImplementationObject(ImmediateComponentManager.java:274)
> 	at org.apache.felix.scr.impl.manager.ImmediateComponentManager.deleteComponent(ImmediateComponentManager.java:147)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$Active.ungetService(AbstractComponentManager.java:1697)
> 	at org.apache.felix.scr.impl.manager.ImmediateComponentManager.ungetService(ImmediateComponentManager.java:692)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.ungetFactoryUnchecked(ServiceRegistrationImpl.java:349)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.ungetService(ServiceRegistrationImpl.java:258)
> 	at org.apache.felix.framework.ServiceRegistry.ungetService(ServiceRegistry.java:389)
> 	at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:158)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterComponentService(AbstractComponentManager.java:779)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$State.doDeactivate(AbstractComponentManager.java:1382)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$Satisfied.deactivate(AbstractComponentManager.java:1644)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:635)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.serviceRemoved(DependencyManager.java:375)
> 	at org.apache.felix.scr.impl.manager.DependencyManager.serviceChanged(DependencyManager.java:217)
> 	at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:932)
> 	at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:793)
> 	at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:543)
> 	at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4327)
> 	at org.apache.felix.framework.Felix.access$000(Felix.java:74)
> 	at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:390)
> 	at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:148)
> 	at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:127)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.unregisterComponentService(AbstractComponentManager.java:779)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$State.doDeactivate(AbstractComponentManager.java:1382)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$Disabled.deactivate(AbstractComponentManager.java:1456)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:635)
> 	at org.apache.felix.scr.impl.manager.AbstractComponentManager$2.run(AbstractComponentManager.java:435)
> 	at org.apache.felix.scr.impl.ComponentActorThread.run(ComponentActorThread.java:98)
> 	at java.lang.Thread.run(Thread.java:662)
> 3) An exception when getting a service from a Reference:
> ==============================================
> log level: 2 D=Mon Sep 24 11:07:45 CEST 2012, T=Thread-1: [A] Could not get service from ref [test.scr.F]
> Can you please confirm that you also see these exceptions ?
> Thanks.

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