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https://issues.apache.org/jira/browse/KARAF-1715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13433089#comment-13433089
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Christian Schneider commented on KARAF-1715:
--------------------------------------------

I found that a thread named CM Configuration Updater (ManagedService Update: 
pid=org.ops4j.pax.web)
hangs on object.wait
Daemon Thread [CM Configuration Updater (ManagedService Update: 
pid=org.ops4j.pax.web)] (Suspended)     
        Object.wait(long) line: not available [native method]   
        Object[](Object).wait() line: 485 [local variables unavailable] 
        Felix.acquireBundleLock(BundleImpl, int) line: 4871     
        Felix.registerService(BundleImpl, String[], Object, Dictionary) line: 
3205      
        BundleContextImpl.registerService(String[], Object, Dictionary) line: 
346       
        BundleContextImpl.registerService(String, Object, Dictionary) line: 320 
        JettyServerWrapper.addContext(Model) line: 225  
        JettyServerWrapper.getOrCreateContext(Model) line: 114  
        JettyServerImpl.addServlet(ServletModel) line: 163      
        ServerControllerImpl$Started.addServlet(ServletModel) line: 277 
        ServerControllerImpl.addServlet(ServletModel) line: 112 
        HttpServiceStarted$1.stateChanged(ServerEvent) line: 123        
        ServerControllerImpl.notifyListeners(ServerEvent) line: 206     
        ServerControllerImpl$Stopped.start() line: 522  
        ServerControllerImpl.start() line: 72   
        ServerControllerImpl$Started.configure() line: 272      
        ServerControllerImpl.configure(Configuration) line: 89  
        Activator$3.updated(Dictionary) line: 236       
        ConfigurationManager$ManagedServiceUpdate.run() line: 1467      
        UpdateThread.run() line: 103    
        Thread.run() line: 662  

                
> Occasional freeze on feature:install webconsole
> -----------------------------------------------
>
>                 Key: KARAF-1715
>                 URL: https://issues.apache.org/jira/browse/KARAF-1715
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf-webconsole
>    Affects Versions: 3.0.0.RC1, 3.0.0
>            Reporter: Ioannis Canellos
>            Priority: Critical
>
> This is not something that happens all the time, so it might require a couple 
> of attempts in order to reproduce it.
> On a clean Karaf container feature:install webconsole can freeze and never 
> return. When this happens CTRL-C does not stop the command execution and the 
> only way to recover is a restart of the container.

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