ConcurrentModificationException in SharedObjectCache.getSharedSet ----------------------------------------------------------------- Key: WFLY-12582 URL: https://issues.jboss.org/browse/WFLY-12582 Project: WildFly Issue Type: Bug Components: CDI / Weld Affects Versions: 10.1.0.Final Environment: JBoss Admin Command-line Interface JBOSS_HOME: /home/user/wildfly-10.1.0.Final JBoss AS release: 2.2.0.Final "Kenny" JBoss AS product: WildFly Full 10.1.0.Final JAVA_HOME: /home/user/.sdkman/candidates/java/current java.version: 1.8.0_222 java.vm.vendor: AdoptOpenJDK java.vm.version: 25.222-b10 os.name: Linux os.version: 5.0.0-27-generic Reporter: Severian Duchenko Assignee: Matěj Novotný Priority: Minor Following error occurred during wildfly startup: {code} jboss.deployment.unit."MY.ear".WeldStartService: Failed to start service at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1904) [jboss-msc-1.2.6.Final.jar:1.2.6.Final] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [rt.jar:1.8.0_202] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [rt.jar:1.8.0_202] at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_202] Caused by: java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909) [rt.jar:1.8.0_202] at java.util.ArrayList$Itr.next(ArrayList.java:859) [rt.jar:1.8.0_202] at java.util.AbstractCollection.containsAll(AbstractCollection.java:317) [rt.jar:1.8.0_202] at java.util.AbstractSet.equals(AbstractSet.java:95) [rt.jar:1.8.0_202] at com.google.common.base.Equivalence$Equals.doEquivalent(Equivalence.java:327) at com.google.common.base.Equivalence.equivalent(Equivalence.java:71) at com.google.common.cache.LocalCache$Segment.getEntry(LocalCache.java:2711) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2180) at com.google.common.cache.LocalCache.get(LocalCache.java:3937) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3941) at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824) at org.jboss.weld.util.cache.LoadingCacheUtils.getCacheValue(LoadingCacheUtils.java:49) at org.jboss.weld.util.cache.LoadingCacheUtils.getCastCacheValue(LoadingCacheUtils.java:74) at org.jboss.weld.resources.SharedObjectCache.getSharedSet(SharedObjectCache.java:72) at org.jboss.weld.injection.attributes.InferringFieldInjectionPointAttributes.<init>(InferringFieldInjectionPointAttributes.java:47) at org.jboss.weld.injection.attributes.InferringFieldInjectionPointAttributes.of(InferringFieldInjectionPointAttributes.java:41) at org.jboss.weld.injection.InjectionPointFactory.createFieldInjectionPoint(InjectionPointFactory.java:140) at org.jboss.weld.injection.ResourceInjectionFactory$ResourceInjectionProcessor.createResourceInjections(ResourceInjectionFactory.java:190) at org.jboss.weld.injection.ResourceInjectionFactory.discoverType(ResourceInjectionFactory.java:449) at org.jboss.weld.injection.ResourceInjectionFactory.getResourceInjections(ResourceInjectionFactory.java:97) at org.jboss.weld.injection.producer.ResourceInjector.<init>(ResourceInjector.java:59) at org.jboss.weld.injection.producer.ResourceInjector.of(ResourceInjector.java:49) at org.jboss.weld.injection.producer.BeanInjectionTarget.<init>(BeanInjectionTarget.java:63) at org.jboss.weld.injection.producer.BeanInjectionTarget.createDefault(BeanInjectionTarget.java:47) at org.jboss.weld.manager.InjectionTargetFactoryImpl.chooseInjectionTarget(InjectionTargetFactoryImpl.java:113) at org.jboss.weld.manager.InjectionTargetFactoryImpl.createInjectionTarget(InjectionTargetFactoryImpl.java:86) at org.jboss.weld.bean.ManagedBean.<init>(ManagedBean.java:100) at org.jboss.weld.bean.ManagedBean.of(ManagedBean.java:80) at org.jboss.weld.bootstrap.AbstractBeanDeployer.createManagedBean(AbstractBeanDeployer.java:261) at org.jboss.weld.bootstrap.BeanDeployer.createClassBean(BeanDeployer.java:229) at org.jboss.weld.bootstrap.ConcurrentBeanDeployer$2.doWork(ConcurrentBeanDeployer.java:78) at org.jboss.weld.bootstrap.ConcurrentBeanDeployer$2.doWork(ConcurrentBeanDeployer.java:75) at org.jboss.weld.executor.IterativeWorkerTaskFactory$1.call(IterativeWorkerTaskFactory.java:63) at org.jboss.weld.executor.IterativeWorkerTaskFactory$1.call(IterativeWorkerTaskFactory.java:56) at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_202] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [rt.jar:1.8.0_202] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [rt.jar:1.8.0_202] at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_202] at org.jboss.threads.JBossThread.run(JBossThread.java:320) {code}