[ https://issues.apache.org/jira/browse/ISIS-1964?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dan Haywood closed ISIS-1964. ----------------------------- > ConcurrentModificationException when stating application > -------------------------------------------------------- > > Key: ISIS-1964 > URL: https://issues.apache.org/jira/browse/ISIS-1964 > Project: Isis > Issue Type: Bug > Components: Core > Affects Versions: 1.16.2 > Reporter: Vladimir Nisevic > Priority: Major > Fix For: 1.17.0 > > > Hi Dan, meanwhile we are using 1.16.2 and observe still (more rarely) this > exception during startup. > > {code:java} > 018-06-20 15:10:47.546 [localhost-startStop-1] init ERROR > org.apache.isis.viewer.wicket.viewer.IsisWicketApplication - Failed to > initialize > com.google.inject.ProvisionException: Unable to provision, see the following > errors: > 1) Error in custom provider, java.lang.RuntimeException: An error occurred > while executing code in a temporary session > at > org.apache.isis.core.runtime.runner.IsisInjectModule.provideIsisSessionFactory(IsisInjectModule.java:109) > at > org.apache.isis.core.runtime.runner.IsisInjectModule.provideIsisSessionFactory(IsisInjectModule.java:109) > while locating org.apache.isis.core.runtime.system.session.IsisSessionFactory > for field at > org.apache.isis.viewer.wicket.viewer.IsisWicketApplication.isisSessionFactory(IsisWicketApplication.java:155) > while locating at.a1ta.cll.webapp.CllWebApplication > 1 error > at > com.google.inject.internal.Errors.throwProvisionExceptionIfErrorsExist(Errors.java:486) > at > com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:67) > at > com.google.inject.internal.InjectorImpl.injectMembers(InjectorImpl.java:987) > at > org.apache.isis.viewer.wicket.viewer.IsisWicketApplication.init(IsisWicketApplication.java:368) > at at.a1ta.cll.webapp.CllWebApplication.init(CllWebApplication.java:32) > at org.apache.wicket.Application.initApplication(Application.java:953) > at org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:429) > at org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:353) > at > org.apache.catalina.core.ApplicationFilterConfig.initFilter(ApplicationFilterConfig.java:285) > at > org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:266) > at > org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:108) > at > org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4590) > at > org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5233) > at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) > at > org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752) > at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728) > at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) > at > org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:629) > at > org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1839) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at java.lang.Thread.run(Thread.java:748) > Caused by: java.lang.RuntimeException: An error occurred while executing code > in a temporary session > at > org.apache.isis.core.runtime.system.session.IsisSessionFactory.doInSession(IsisSessionFactory.java:366) > at > org.apache.isis.core.runtime.system.session.IsisSessionFactory.doInSession(IsisSessionFactory.java:330) > at > org.apache.isis.core.runtime.system.session.IsisSessionFactory.doInSession(IsisSessionFactory.java:317) > at > org.apache.isis.core.runtime.system.session.IsisSessionFactoryBuilder.buildSessionFactory(IsisSessionFactoryBuilder.java:211) > at > org.apache.isis.core.runtime.runner.IsisInjectModule.provideIsisSessionFactory(IsisInjectModule.java:118) > at > org.apache.isis.core.runtime.runner.IsisInjectModule$$FastClassByGuice$$a813f90e.invoke(<generated>) > at > com.google.inject.internal.ProviderMethod$FastClassProviderMethod.doProvision(ProviderMethod.java:264) > at > com.google.inject.internal.ProviderMethod$Factory.provision(ProviderMethod.java:401) > at > com.google.inject.internal.ProviderMethod$Factory.get(ProviderMethod.java:376) > at > com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46) > at > com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1092) > at > com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40) > at com.google.inject.internal.SingletonScope$1.get(SingletonScope.java:194) > at > com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41) > at > com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:54) > at > com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:132) > at > com.google.inject.internal.MembersInjectorImpl$1.call(MembersInjectorImpl.java:93) > at > com.google.inject.internal.MembersInjectorImpl$1.call(MembersInjectorImpl.java:80) > at > com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1085) > at > com.google.inject.internal.MembersInjectorImpl.injectAndNotify(MembersInjectorImpl.java:80) > at > com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:62) > ... 22 more > Caused by: java.util.ConcurrentModificationException > at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442) > at java.util.HashMap$ValueIterator.next(HashMap.java:1471) > at java.util.AbstractCollection.toArray(AbstractCollection.java:141) > at java.util.Collections$UnmodifiableCollection.toArray(Collections.java:1033) > at java.util.ArrayList.<init>(ArrayList.java:178) > at com.google.common.collect.Lists.newArrayList(Lists.java:146) > at > org.apache.isis.core.metamodel.specloader.SpecificationLoader.allSpecifications(SpecificationLoader.java:495) > at > org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.validateSpecs(MetaModelValidatorVisiting.java:71) > at > org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.validateAll(MetaModelValidatorVisiting.java:58) > at > org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.validate(MetaModelValidatorVisiting.java:49) > at > org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorComposite.validate(MetaModelValidatorComposite.java:60) > at > org.apache.isis.core.metamodel.specloader.SpecificationLoader.validate(SpecificationLoader.java:272) > at > org.apache.isis.core.metamodel.specloader.SpecificationLoader.validateAndAssert(SpecificationLoader.java:262) > at > org.apache.isis.core.runtime.system.session.IsisSessionFactoryBuilder$1.run(IsisSessionFactoryBuilder.java:217) > at > org.apache.isis.core.runtime.system.session.IsisSessionFactory$1.call(IsisSessionFactory.java:333) > at > org.apache.isis.core.runtime.system.session.IsisSessionFactory$1.call(IsisSessionFactory.java:330) > at > org.apache.isis.core.runtime.system.session.IsisSessionFactory.doInSession(IsisSessionFactory.java:364) > ... 42 more > 2018-06-20 15:10:47.573 [localhost-startStop-1] join INFO > org.apache.isis.core.runtime.threadpool.ThreadPoolSupport - join'ing 6 tasks: > waited 0 milliseconds > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)