ConcurrentModificationException in BundleContext.getServiceReferences() ----------------------------------------------------------------------- Key: JBOSGI-632 URL: https://issues.jboss.org/browse/JBOSGI-632 Project: JBoss OSGi Issue Type: Bug Security Level: Public(Everyone can see) Components: Core Framework Environment: Linux and Windows Reporter: Ed Roberts Assignee: Thomas Diesler Fix For: JBossOSGi 2.0.0 CR1 Starting up JBoss AS with a number of deployments, some of which use blueprint to activate services. One of the blueprint activations exposes the concurrency issue {code} 2013-02-22 15:57:08,193 ERROR [org.eclipse.gemini.blueprint.extender.internal.blueprint.activator.BlueprintLoaderListener](EclipseGeminiBlueprintExtenderThread-29) Application context refresh failed (OsgiBundleXmlApplicationContext(bundle=com.saaconsultants.x, config=bundle://com.saaconsultants.x-170-0-0/OSGI-INF/blueprint/private-beans.xml,bundle://com.saaconsultants.x-170-0-0/OSGI-INF/blueprint/osgi-context.xml,bundle://com.saaconsultants.x-170-0-0/OSGI-INF/blueprint/ee-beans.xml)): org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'otEclInterpreterServiceBean' defined in OSGi resource[bundle://com.saaconsultants.x-170-0-0/OSGI-INF/blueprint/private-beans.xml|bnd.id=170|bnd.sym=com.saaconsultants.x]: Cannot resolve reference to bean 'xService' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'xService': FactoryBean threw exception on object creation; nested exception is java.util.ConcurrentModificationException at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:328) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:106) at org.springframework.beans.factory.support.ConstructorResolver.resolveConstructorArguments(ConstructorResolver.java:630) at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:148) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1035) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:939) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:485) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:585) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913) at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext.access$1600(AbstractDelegatedExecutionApplicationContext.java:60) at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext$4.run(AbstractDelegatedExecutionApplicationContext.java:325) at org.eclipse.gemini.blueprint.util.internal.PrivilegedUtils.executeWithCustomTCCL(PrivilegedUtils.java:85) at org.eclipse.gemini.blueprint.context.support.AbstractDelegatedExecutionApplicationContext.completeRefresh(AbstractDelegatedExecutionApplicationContext.java:290) at org.eclipse.gemini.blueprint.extender.internal.dependencies.startup.DependencyWaiterApplicationContextExecutor$CompleteRefreshTask.run(DependencyWaiterApplicationContextExecutor.java:137) at java.lang.Thread.run(Thread.java:722) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'xService': FactoryBean threw exception on object creation; nested exception is java.util.ConcurrentModificationException at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:149) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:102) at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1442) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:248) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:322) ... 19 more Caused by: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:894) at java.util.HashMap$ValueIterator.next(HashMap.java:922) at org.jboss.osgi.framework.internal.ServiceManagerImpl.getServiceReferencesInternal(ServiceManagerImpl.java:205) at org.jboss.osgi.framework.internal.ServiceManagerImpl.getServiceReferences(ServiceManagerImpl.java:189) at org.jboss.osgi.framework.internal.AbstractBundleContext.getServiceReferences(AbstractBundleContext.java:344) at org.eclipse.gemini.blueprint.util.OsgiServiceReferenceUtils.getServiceReferences(OsgiServiceReferenceUtils.java:155) at org.eclipse.gemini.blueprint.util.OsgiServiceReferenceUtils.getServiceReference(OsgiServiceReferenceUtils.java:70) at org.eclipse.gemini.blueprint.util.OsgiServiceReferenceUtils.getServiceReference(OsgiServiceReferenceUtils.java:129) at org.eclipse.gemini.blueprint.util.OsgiListenerUtils.addSingleServiceListener(OsgiListenerUtils.java:168) at org.eclipse.gemini.blueprint.util.OsgiListenerUtils.addSingleServiceListener(OsgiListenerUtils.java:138) at org.eclipse.gemini.blueprint.service.importer.support.internal.aop.ServiceDynamicInterceptor.afterPropertiesSet(ServiceDynamicInterceptor.java:467) at org.eclipse.gemini.blueprint.service.importer.support.OsgiServiceProxyFactoryBean$2.run(OsgiServiceProxyFactoryBean.java:196) at org.eclipse.gemini.blueprint.service.importer.support.AbstractServiceImporterProxyFactoryBean.getObject(AbstractServiceImporterProxyFactoryBean.java:103) at org.eclipse.gemini.blueprint.service.importer.support.OsgiServiceProxyFactoryBean.getObject(OsgiServiceProxyFactoryBean.java:125) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:142) ... 24 more {code}