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From "David Jencks (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FELIX-3242) Concurrent modification problem in StatefulResolver$ResolverStateImpl.getCandidates
Date Thu, 24 Nov 2011 06:17:40 GMT
Concurrent modification problem in StatefulResolver$ResolverStateImpl.getCandidates
-----------------------------------------------------------------------------------

                 Key: FELIX-3242
                 URL: https://issues.apache.org/jira/browse/FELIX-3242
             Project: Felix
          Issue Type: Bug
          Components: Framework
    Affects Versions: framework-4.0.1
            Reporter: David Jencks


I occasionally see this stack trace (2 examples) starting stuff in karaf running on felix
4.0.1  Unfortunately it happens rarely and with no pattern I can discern.

[Blueprint Extender: 3] ERROR org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe$Listener
- Error calling listener method public synchronized void org.apache.karaf.shell.console.jline.ConsoleFactory.registerCommandProcessor(org.apache.felix.service.command.CommandProcessor)
throws java.lang.Exception
java.lang.reflect.InvocationTargetException
       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
       at java.lang.reflect.Method.invoke(Method.java:597)
       at org.apache.aries.blueprint.utils.ReflectionUtils.invoke(ReflectionUtils.java:238)
       at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe$Listener.invokeMethods(AbstractServiceReferenceRecipe.java:460)
       at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe$Listener.bind(AbstractServiceReferenceRecipe.java:442)
       at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe.bind(AbstractServiceReferenceRecipe.java:339)
       at org.apache.aries.blueprint.container.ReferenceRecipe.bind(ReferenceRecipe.java:149)
       at org.apache.aries.blueprint.container.ReferenceRecipe.retrack(ReferenceRecipe.java:114)
       at org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe.updateListeners(AbstractServiceReferenceRecipe.java:331)
       at org.apache.aries.blueprint.container.ReferenceRecipe.internalCreate(ReferenceRecipe.java:93)
       at org.apache.aries.blueprint.di.AbstractRecipe$1.call(AbstractRecipe.java:71)
       at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
       at java.util.concurrent.FutureTask.run(FutureTask.java:138)
       at org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:79)
       at org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:220)
       at org.apache.aries.blueprint.container.BlueprintRepository.createAll(BlueprintRepository.java:154)
       at org.apache.aries.blueprint.container.BlueprintContainerImpl.instantiateEagerComponents(BlueprintContainerImpl.java:630)
       at org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:326)
       at org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:228)
       at org.apache.aries.blueprint.utils.threading.impl.DiscardableRunnable.run(DiscardableRunnable.java:48)
       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
       at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
       at java.util.concurrent.FutureTask.run(FutureTask.java:138)
       at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
       at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
       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:680)
Caused by: java.util.ConcurrentModificationException
       at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
       at java.util.AbstractList$Itr.next(AbstractList.java:343)
       at org.apache.felix.framework.StatefulResolver$ResolverStateImpl.getCandidates(StatefulResolver.java:1333)
       at org.apache.felix.framework.StatefulResolver.isAllowedDynamicImport(StatefulResolver.java:521)
       at org.apache.felix.framework.StatefulResolver.resolve(StatefulResolver.java:216)
       at org.apache.felix.framework.BundleWiringImpl.searchDynamicImports(BundleWiringImpl.java:1539)
       at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1439)
       at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:72)
       at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1843)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
       at java.lang.ClassLoader.defineClass1(Native Method)
       at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
       at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
       at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.findClass(BundleWiringImpl.java:2128)
       at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1432)
       at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:72)
       at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1843)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
       at org.apache.felix.framework.BundleWiringImpl.getClassByDelegation(BundleWiringImpl.java:1317)
       at org.apache.felix.framework.BundleWiringImpl.searchImports(BundleWiringImpl.java:1481)
       at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1427)
       at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:72)
       at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1843)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
       at org.apache.karaf.shell.console.jline.ConsoleFactory.start(ConsoleFactory.java:71)
       at org.apache.karaf.shell.console.jline.ConsoleFactory.registerCommandProcessor(ConsoleFactory.java:51)
       ... 30 more


----------------------------------------------------
[Thread-8] ERROR org.apache.karaf.features.internal.FeaturesServiceImpl - Error installing
boot feature management
java.io.IOException: javax.xml.bind.JAXBException: Unable to create context
- with linked exception:
[java.lang.reflect.InvocationTargetException] : mvn:org.apache.karaf.features/enterprise/3.0.0-SNAPSHOT/xml/features
       at org.apache.karaf.features.internal.RepositoryImpl.load(RepositoryImpl.java:96)
       at org.apache.karaf.features.internal.RepositoryImpl.getRepositories(RepositoryImpl.java:69)
       at org.apache.karaf.features.internal.FeaturesServiceImpl.getFeatures(FeaturesServiceImpl.java:910)
       at org.apache.karaf.features.internal.FeaturesServiceImpl.getFeature(FeaturesServiceImpl.java:870)
       at org.apache.karaf.features.internal.FeaturesServiceImpl$1.run(FeaturesServiceImpl.java:994)
Caused by: java.lang.RuntimeException: javax.xml.bind.JAXBException: Unable to create context
- with linked exception:
[java.lang.reflect.InvocationTargetException]
       at org.apache.karaf.features.internal.model.JaxbUtil.unmarshal(JaxbUtil.java:126)
       at org.apache.karaf.features.internal.RepositoryImpl.load(RepositoryImpl.java:88)
       ... 4 more
Caused by: javax.xml.bind.JAXBException: Unable to create context
- with linked exception:
[java.lang.reflect.InvocationTargetException]
       at javax.xml.bind.ContextFinder.find(ContextFinder.java:116)
       at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:65)
       at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:56)
       at org.apache.karaf.features.internal.model.JaxbUtil.unmarshal(JaxbUtil.java:107)
       ... 5 more
Caused by: java.lang.reflect.InvocationTargetException
       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
       at java.lang.reflect.Method.invoke(Method.java:597)
       at javax.xml.bind.ContextFinder.find(ContextFinder.java:114)
       ... 8 more
Caused by: java.util.ConcurrentModificationException
       at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
       at java.util.AbstractList$Itr.next(AbstractList.java:343)
       at org.apache.felix.framework.StatefulResolver$ResolverStateImpl.getCandidates(StatefulResolver.java:1333)
       at org.apache.felix.framework.StatefulResolver.isAllowedDynamicImport(StatefulResolver.java:521)
       at org.apache.felix.framework.StatefulResolver.resolve(StatefulResolver.java:216)
       at org.apache.felix.framework.BundleWiringImpl.searchDynamicImports(BundleWiringImpl.java:1539)
       at org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1439)
       at org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:72)
       at org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1843)
       at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
       at java.lang.Class.forName0(Native Method)
       at java.lang.Class.forName(Class.java:247)
       at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:95)
       at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:107)
       at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:31)
       at sun.reflect.annotation.AnnotationParser.parseSig(AnnotationParser.java:370)
       at sun.reflect.annotation.AnnotationParser.parseAnnotation(AnnotationParser.java:181)
       at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:69)
       at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:52)
       at java.lang.reflect.Method.declaredAnnotations(Method.java:693)
       at java.lang.reflect.Method.getDeclaredAnnotations(Method.java:686)
       at java.lang.reflect.AccessibleObject.getAnnotations(AccessibleObject.java:175)
       at com.sun.xml.bind.v2.model.annotation.RuntimeInlineAnnotationReader.getAllMethodAnnotations(RuntimeInlineAnnotationReader.java:89)
       at com.sun.xml.bind.v2.model.annotation.RuntimeInlineAnnotationReader.getAllMethodAnnotations(RuntimeInlineAnnotationReader.java:57)
       at com.sun.xml.bind.v2.model.impl.ClassInfoImpl.ensureNoAnnotation(ClassInfoImpl.java:1130)
       at com.sun.xml.bind.v2.model.impl.ClassInfoImpl.collectGetterSetters(ClassInfoImpl.java:1069)
       at com.sun.xml.bind.v2.model.impl.ClassInfoImpl.findGetterSetterProperties(ClassInfoImpl.java:943)
       at com.sun.xml.bind.v2.model.impl.ClassInfoImpl.getProperties(ClassInfoImpl.java:314)
       at com.sun.xml.bind.v2.model.impl.RuntimeClassInfoImpl.getProperties(RuntimeClassInfoImpl.java:186)
       at com.sun.xml.bind.v2.model.impl.ModelBuilder.getClassInfo(ModelBuilder.java:247)
       at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.getClassInfo(RuntimeModelBuilder.java:104)
       at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.getClassInfo(RuntimeModelBuilder.java:85)
       at com.sun.xml.bind.v2.model.impl.ModelBuilder.getClassInfo(ModelBuilder.java:213)
       at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.getClassInfo(RuntimeModelBuilder.java:99)
       at com.sun.xml.bind.v2.model.impl.RuntimeModelBuilder.getClassInfo(RuntimeModelBuilder.java:85)
       at com.sun.xml.bind.v2.model.impl.ModelBuilder.getTypeInfo(ModelBuilder.java:319)
       at com.sun.xml.bind.v2.model.impl.ModelBuilder.getTypeInfo(ModelBuilder.java:334)
       at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getTypeInfoSet(JAXBContextImpl.java:483)
       at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:319)
       at com.sun.xml.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1170)
       at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:145)
       ... 13 more


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