it’s been quite a few years since I worked on this area…. do you have any circular references between DS components? Sometimes a thread dump is useful in understanding what is going on: I thought DS actually produced one in this situation.
David Jencks > On May 8, 2020, at 10:09 AM, raj.all...@gmail.com wrote: > > Hi, > > Please see the below error. It is happening inconsistently. Tried several > things but didn't workout. > Kindly help me in resolving the issue. > > *Environment*: > JDK11 > karaf-4.2.8 > > *ERROR:* > 2020-05-08T08:21:07,162 | ERROR | FelixDispatchQueue | FrameworkEvent > > | 200 - ui - 4.0.0 | FrameworkEvent ERROR > org.osgi.framework.ServiceException: Service factory exception: Could not > obtain lock > at > org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:352) > ~[?:?] > at > org.apache.felix.framework.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:247) > ~[?:?] > at > org.apache.felix.framework.ServiceRegistry.getService(ServiceRegistry.java:350) > ~[?:?] > at org.apache.felix.framework.Felix.getService(Felix.java:3737) ~[?:?] > at > org.apache.felix.framework.BundleContextImpl.getService(BundleContextImpl.java:470) > ~[?:?] > at > org.apache.felix.scr.impl.manager.SingleRefPair.getServiceObject(SingleRefPair.java:86) > ~[?:?] > at > org.apache.felix.scr.impl.inject.BindParameters.getServiceObject(BindParameters.java:47) > ~[?:?] > at > org.apache.felix.scr.impl.inject.methods.BindMethod.getServiceObject(BindMethod.java:664) > ~[?:?] > at > org.apache.felix.scr.impl.manager.DependencyManager.getServiceObject(DependencyManager.java:2308) > ~[?:?] > at > org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.prebind(DependencyManager.java:1154) > ~[?:?] > at > org.apache.felix.scr.impl.manager.DependencyManager.prebind(DependencyManager.java:1568) > ~[?:?] > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.collectDependencies(AbstractComponentManager.java:1029) > ~[?:?] > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:935) > ~[?:?] > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.activateInternal(AbstractComponentManager.java:765) > ~[?:?] > at > org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:1045) > ~[?:?] > at > org.apache.felix.scr.impl.manager.DependencyManager$SingleStaticCustomizer.addedService(DependencyManager.java:999) > ~[?:?] > at > org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1216) > ~[?:?] > at > org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1137) > ~[?:?] > at > org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:944) > ~[?:?] > at > org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:880) > ~[?:?] > at > org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1168) > ~[?:?] > at > org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:125) > ~[?:?] > at > org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990) > ~[?:?] > at > org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838) > ~[?:?] > at > org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545) > ~[?:?] > at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4595) > ~[?:?] > at org.apache.felix.framework.Felix.registerService(Felix.java:3587) > ~[?:?] > at > org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:348) > ~[?:?] > at > org.ops4j.pax.web.service.internal.Activator.updateController(Activator.java:381) > ~[?:?] > at > org.ops4j.pax.web.service.internal.Activator.lambda$scheduleUpdateFactory$1(Activator.java:299) > ~[?:?] > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) > ~[?:?] > at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) > ~[?:?] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) > ~[?:?] > at java.lang.Thread.run(Thread.java:834) [?:?] > Caused by: java.lang.IllegalStateException: Could not obtain lock > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.obtainLock(AbstractComponentManager.java:240) > ~[?:?] > at > org.apache.felix.scr.impl.manager.AbstractComponentManager.obtainStateLock(AbstractComponentManager.java:287) > ~[?:?] > at > org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:888) > ~[?:?] > at > org.apache.felix.framework.ServiceRegistrationImpl.getFactoryUnchecked(ServiceRegistrationImpl.java:347) > ~[?:?] > ... 34 more > > > > -- > Sent from: > http://apache-felix.18485.x6.nabble.com/Apache-Felix-Users-f4833200.html > > --------------------------------------------------------------------- > To unsubscribe, e-mail: 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