Hi Norbert,

What would help is if you could create a JIRA (under
https://issues.apache.org/jira/browse/DOSGI) and attach a test case to
it so that we can reproduce it.
Many thanks,

David

On 9 March 2010 14:57, Norbert Somlai <[email protected]> wrote:
>
> Hello,
>
> I keep getting this deadlock when trying to use the single DOSGi bundle and
> Zookeeper.
>   ID   State         Level  Name
> [   0] [Active     ] [    0] System Bundle (2.0.4)
> [   1] [Active     ] [    1] Distributed OSGi Distribution Software
> Single-Bundle Distribution (1.1)
> [   2] [Active     ] [    1] Apache Felix Bundle Repository (1.4.3)
> [   3] [Active     ] [    1] Apache Felix iPOJO (1.4.0)
> [   4] [Active     ] [    1] Apache Felix iPOJO Arch Command (1.4.0)
> [   5] [Active     ] [    1] Apache Felix Shell Service (1.4.2)
> [   6] [Active     ] [    1] Apache Felix Shell TUI (1.4.1)
> [   7] [Active     ] [    1] osgi.cmpn (4.2.0.200908310645)
>
> Removing the file load/org.apache.cxf.dosgi.discovery.zookeeper.cfg
> (containing one line, zookeeper.host=127.0.0.1) removes the deadlock
> problem.
>
> I'm trying to run two servers on the same PC to test remoting. They have
> different bundle pickup directories but the bundles are the same. After
> restarting Zookeeper, I mostly can start the first one, but the second one
> managed to start only one time of about 20 tries. At that one time, I was
> able to install my test stuff and it worked fine.
>
> Not sure what other info to include, please point me into a possible
> direction if you can.
>
>
>
> Found one Java-level deadlock:
> =============================
> "Configuration Updater":
>  waiting to lock monitor 0x02fd32d4 (object 0x230dd668, a
> org.apache.cxf.dosgi.dsw.hooks.CxfFindListenerHook),
>  which is held by "FelixStartLevel"
> "FelixStartLevel":
>  waiting to lock monitor 0x02fd2ab4 (object 0x22a70498, a
> org.osgi.util.tracker.ServiceTracker$Tracked),
>  which is held by "Configuration Updater"
>
> Java stack information for the threads listed above:
> ===================================================
> "Configuration Updater":
>        at
> org.apache.cxf.dosgi.dsw.hooks.AbstractClientHook.lookupDiscoveryService(AbstractClientHook.java:201)
>        - waiting to lock <0x230dd668> (a
> org.apache.cxf.dosgi.dsw.hooks.CxfFindListenerHook)
>        at
> org.apache.cxf.dosgi.dsw.hooks.CxfFindListenerHook.find(CxfFindListenerHook.java:95)
>        at org.apache.felix.framework.Felix$8.invokeHook(Felix.java:2840)
>        at
> org.apache.felix.framework.ServiceRegistry.invokeHook(ServiceRegistry.java:782)
>        at
> org.apache.felix.framework.Felix.getServiceReferences(Felix.java:2849)
>        at
> org.apache.felix.framework.Felix.getAllowedServiceReferences(Felix.java:2876)
>        at
> org.apache.felix.framework.BundleContextImpl.getServiceReferences(BundleContextImpl.java:310)
>        at
> org.osgi.util.tracker.ServiceTracker.getInitialReferences(ServiceTracker.java:310)
>        at
> org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:274)
>        - locked <0x22a70498> (a
> org.osgi.util.tracker.ServiceTracker$Tracked)
>        - locked <0x22a70468> (a org.osgi.util.tracker.ServiceTracker)
>        at
> org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:228)
>        at
> org.apache.cxf.dosgi.discovery.zookeeper.DiscoveryDriver.init(DiscoveryDriver.java:93)
>        at
> org.apache.cxf.dosgi.discovery.zookeeper.DiscoveryDriver.<init>(DiscoveryDriver.java:69)
>        at
> org.apache.cxf.dosgi.discovery.zookeeper.Activator.createDriver(Activator.java:77)
>        at
> org.apache.cxf.dosgi.discovery.zookeeper.Activator.updated(Activator.java:64)
>        - locked <0x230dbac0> (a
> org.apache.cxf.dosgi.discovery.zookeeper.Activator)
>        at
> org.apache.felix.cm.impl.ConfigurationManager$ManagedServiceUpdate.run(ConfigurationManager.java:959)
>        at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:88)
> "FelixStartLevel":
>        at
> org.osgi.util.tracker.ServiceTracker$Tracked.track(ServiceTracker.java:965)
>        - waiting to lock <0x22a70498> (a
> org.osgi.util.tracker.ServiceTracker$Tracked)
>        at
> org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:924)
>        at
> org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:864)
>        at
> org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:732)
>        at
> org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:662)
>        at
> org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3619)
>        at org.apache.felix.framework.Felix.access$000(Felix.java:39)
>        at org.apache.felix.framework.Felix$2.serviceChanged(Felix.java:667)
>        at
> org.apache.felix.framework.ServiceRegistry.servicePropertiesModified(ServiceRegistry.java:505)
>        at
> org.apache.felix.framework.ServiceRegistrationImpl.setProperties(ServiceRegistrationImpl.java:116)
>        at
> org.apache.cxf.dosgi.dsw.hooks.AbstractClientHook.lookupDiscoveryService(AbstractClientHook.java:218)
>        - locked <0x230dd668> (a
> org.apache.cxf.dosgi.dsw.hooks.CxfFindListenerHook)
>        at
> org.apache.cxf.dosgi.dsw.hooks.CxfFindListenerHook.find(CxfFindListenerHook.java:95)
>        at org.apache.felix.framework.Felix$8.invokeHook(Felix.java:2840)
>        at
> org.apache.felix.framework.ServiceRegistry.invokeHook(ServiceRegistry.java:782)
>        at
> org.apache.felix.framework.Felix.getServiceReferences(Felix.java:2849)
>        at
> org.apache.felix.framework.Felix.getAllowedServiceReferences(Felix.java:2876)
>        at
> org.apache.felix.framework.BundleContextImpl.getServiceReferences(BundleContextImpl.java:310)
>        at
> org.springframework.osgi.util.OsgiServiceReferenceUtils.getServiceReferences(OsgiServiceReferenceUtils.java:159)
>        at
> org.springframework.osgi.util.OsgiServiceReferenceUtils.getServiceReferences(OsgiServiceReferenceUtils.java:195)
>        at
> org.springframework.osgi.util.OsgiListenerUtils.addServiceListener(OsgiListenerUtils.java:90)
>        at
> org.springframework.osgi.util.OsgiListenerUtils.addServiceListener(OsgiListenerUtils.java:62)
>        at
> org.springframework.osgi.service.importer.support.internal.collection.OsgiServiceCollection.afterPropertiesSet(OsgiServiceCollection.java:272)
>        at
> org.springframework.osgi.service.importer.support.OsgiServiceCollectionProxyFactoryBean.createProxy(OsgiServiceCollectionProxyFactoryBean.java
>        at
> org.springframework.osgi.service.importer.support.AbstractServiceImporterProxyFactoryBean.getObject(AbstractServiceImporterProxyFactoryBean.ja
>        at
> org.springframework.osgi.service.importer.support.OsgiServiceCollectionProxyFactoryBean.getObject(OsgiServiceCollectionProxyFactoryBean.java:1
>        at
> org.springframework.osgi.extender.internal.activator.ContextLoaderListener.createListenersList(ContextLoaderListener.java:844)
>        at
> org.springframework.osgi.extender.internal.activator.ContextLoaderListener.initListenerService(ContextLoaderListener.java:821)
>        at
> org.springframework.osgi.extender.internal.activator.ContextLoaderListener.start(ContextLoaderListener.java:395)
>        at
> org.apache.cxf.dosgi.singlebundle.AggregatedActivator.startEmbeddedActivators(AggregatedActivator.java:115)
>        at
> org.apache.cxf.dosgi.singlebundle.AggregatedActivator.start(AggregatedActivator.java:46)
>        at
> org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:661)
>        at org.apache.felix.framework.Felix.activateBundle(Felix.java:1756)
>        at org.apache.felix.framework.Felix.startBundle(Felix.java:1678)
>        at
> org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1124)
>        at
> org.apache.felix.framework.StartLevelImpl.run(StartLevelImpl.java:264)
>        at java.lang.Thread.run(Unknown Source)
>
> Found 1 deadlock.
> --
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> http://old.nabble.com/Deadlock-with-Zookeeper-tp27836835p27836835.html
> Sent from the Apache Felix - Users mailing list archive at Nabble.com.
>
>
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