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https://issues.apache.org/jira/browse/ISIS-1790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dan Haywood resolved ISIS-1790.
-------------------------------
Resolution: Duplicate
Assignee: Dan Haywood
> Concurrent modification exception at startup
> --------------------------------------------
>
> Key: ISIS-1790
> URL: https://issues.apache.org/jira/browse/ISIS-1790
> Project: Isis
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.15.1
> Reporter: Vladimir Nisevic
> Assignee: Dan Haywood
> Fix For: 1.16.0
>
>
> I have occasionally next exception during startup
> {code}
> 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 domainapp.webapp.BgwWebApplication
> 1 error
> at
> org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:455)
> at
> org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:353)
> at
> org.eclipse.jetty.servlet.FilterHolder.initialize(FilterHolder.java:139)
> at
> org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:725)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:348)
> at
> org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1480)
> at
> org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1442)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:799)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:261)
> at
> org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:540)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:131)
> at org.eclipse.jetty.server.Server.start(Server.java:452)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:105)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:113)
> at org.eclipse.jetty.server.Server.doStart(Server.java:419)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at org.apache.isis.core.webserver.WebServer.start(WebServer.java:179)
> at org.apache.isis.core.webserver.WebServer.run(WebServer.java:131)
> at org.apache.isis.core.webserver.WebServer.main(WebServer.java:98)
> at org.apache.isis.WebServer.main(WebServer.java:25)
> Caused by: 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 domainapp.webapp.BgwWebApplication
> 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 domainapp.webapp.BgwWebApplication.init(BgwWebApplication.java:41)
> at org.apache.wicket.Application.initApplication(Application.java:953)
> at
> org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:429)
> ... 20 more
> 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:355)
> at
> org.apache.isis.core.runtime.system.session.IsisSessionFactory.doInSession(IsisSessionFactory.java:319)
> at
> org.apache.isis.core.runtime.system.session.IsisSessionFactory.doInSession(IsisSessionFactory.java:306)
> at
> org.apache.isis.core.runtime.system.session.IsisSessionFactoryBuilder.buildSessionFactory(IsisSessionFactoryBuilder.java:201)
> 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$1.call(MembersInjectorImpl.java:80)
> at
> com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1085)
> at
> com.google.inject.internal.MembersInjectorImpl.injectAndNotify(MembersInjectorImpl.java:80)
> at
> com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:62)
> ... 25 more
> Caused by: java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
> at java.util.HashMap$ValueIterator.next(HashMap.java:1466)
> at
> java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1042)
> at
> org.apache.isis.core.metamodel.facets.object.domainobject.DomainObjectAnnotationFacetFactory$1.validate(DomainObjectAnnotationFacetFactory.java:555)
> at
> org.apache.isis.core.metamodel.facets.object.domainobject.DomainObjectAnnotationFacetFactory$1.visit(DomainObjectAnnotationFacetFactory.java:544)
> at
> org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.validateSpecs(MetaModelValidatorVisiting.java:81)
> at
> org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.validateAll(MetaModelValidatorVisiting.java:57)
> at
> org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorVisiting.validate(MetaModelValidatorVisiting.java:48)
> at
> org.apache.isis.core.metamodel.specloader.validator.MetaModelValidatorComposite.validate(MetaModelValidatorComposite.java:60)
> at
> org.apache.isis.core.metamodel.specloader.SpecificationLoader.validate(SpecificationLoader.java:261)
> at
> org.apache.isis.core.metamodel.specloader.SpecificationLoader.validateAndAssert(SpecificationLoader.java:251)
> at
> org.apache.isis.core.runtime.system.session.IsisSessionFactoryBuilder$1.run(IsisSessionFactoryBuilder.java:206)
> at
> org.apache.isis.core.runtime.system.session.IsisSessionFactory$1.call(IsisSessionFactory.java:322)
> at
> org.apache.isis.core.runtime.system.session.IsisSessionFactory$1.call(IsisSessionFactory.java:319)
> at
> org.apache.isis.core.runtime.system.session.IsisSessionFactory.doInSession(IsisSessionFactory.java:353)
> ... 45 more
> {code}
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