[ https://issues.jboss.org/browse/JBIDE-17696?page=com.atlassian.jira.plugi... ] Rastislav Wagner commented on JBIDE-17696: ------------------------------------------ With -consoleLog -debug /path/to/the/.option I'm getting exception when updating maven configuration {code} org.eclipse.core.runtime.AssertionFailedException: assertion failed: ThreadJob(Updating Maven Project(1602),[MultiRule[R/],R/,R/]) conflicts and ran simultaneously with Updating Maven Project(1602) at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110) at org.eclipse.core.internal.jobs.JobManager.yieldRule(JobManager.java:1452) at org.eclipse.core.internal.jobs.InternalJob.yieldRule(InternalJob.java:603) at org.eclipse.core.runtime.jobs.Job.yieldRule(Job.java:760) at org.eclipse.wst.common.componentcore.internal.builder.DependencyGraphImpl.waitForAllUpdates(DependencyGraphImpl.java:691) at org.eclipse.wst.common.componentcore.internal.builder.DependencyGraphImpl.getReferencingComponents(DependencyGraphImpl.java:126) at org.eclipse.wst.common.componentcore.internal.builder.DependencyGraphImpl.getReferencingComponents(DependencyGraphImpl.java:116) at org.eclipse.wst.common.componentcore.internal.resources.VirtualComponent.getReferencingComponents(VirtualComponent.java:579) at org.eclipse.jst.j2ee.project.EarUtilities.getReferencingEARProjects(EarUtilities.java:274) at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.calculateManifestReferences(J2EEModuleVirtualComponent.java:370) at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.cacheManifestReferences(J2EEModuleVirtualComponent.java:360) at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:176) at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:214) at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:207) at org.eclipse.m2e.wtp.WebProjectConfiguratorDelegate.configureClasspath(WebProjectConfiguratorDelegate.java:386) at org.eclipse.m2e.wtp.WTPProjectConfigurator.configureClasspath(WTPProjectConfigurator.java:118) at org.eclipse.m2e.jdt.internal.DefaultClasspathManagerDelegate.populateClasspath(DefaultClasspathManagerDelegate.java:61) at org.eclipse.m2e.jdt.internal.BuildPathManager.getClasspath(BuildPathManager.java:253) at org.eclipse.m2e.jdt.internal.BuildPathManager.getClasspath(BuildPathManager.java:363) at org.eclipse.m2e.jdt.internal.BuildPathManager.getClasspath(BuildPathManager.java:343) at org.eclipse.m2e.jdt.internal.BuildPathManager.getClasspath(BuildPathManager.java:371) at org.eclipse.m2e.jdt.internal.BuildPathManager.updateClasspath(BuildPathManager.java:191) at org.eclipse.m2e.jdt.internal.BuildPathManager.mavenProjectChanged(BuildPathManager.java:180) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.notifyProjectChangeListeners(ProjectRegistryManager.java:747) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.applyMutableProjectRegistry(ProjectRegistryManager.java:876) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:291) at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.getProjectFacade(MavenBuilder.java:154) at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:89) at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:166) at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:142) at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:96) at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86) at org.eclipse.m2e.core.internal.builder.MavenBuilder.clean(MavenBuilder.java:211) at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:736) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246) at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:299) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:302) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:263) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:401) at org.eclipse.core.internal.resources.Project$1.run(Project.java:618) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2333) at org.eclipse.core.internal.resources.Project.internalBuild(Project.java:597) at org.eclipse.core.internal.resources.Project.build(Project.java:114) at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.updateProjectConfiguration0(ProjectConfigurationManager.java:435) at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager$2.call(ProjectConfigurationManager.java:321) at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager$2.call(ProjectConfigurationManager.java:1) at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:166) at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:142) at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:96) at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1344) at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.updateProjectConfiguration(ProjectConfigurationManager.java:318) at org.eclipse.m2e.core.ui.internal.UpdateMavenProjectJob.runInWorkspace(UpdateMavenProjectJob.java:77) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) {code} I was able to reproduce the issue using automated UI tests (I tried manually but I was not able to do so due to exception mentioned above). Output i got: {code} [Thread[Worker-20,5,main]]Enabling Maven Dependency Management(1213) will yieldRule to ThreadJob(null,[P/testWEB_JPA_noRuntime]) [Thread[Worker-20,5,main]]Enabling Maven Dependency Management(1213) will yieldRule to ThreadJob(null,[P/testWEB_JPA_noRuntime]) [Thread[Worker-20,5,main]]Enabling Maven Dependency Management(1213) is waiting for ThreadJob(null,[P/testWEB_JPA_noRuntime]) to transition from WAITING state {code} If this is not enough, I can try manually again, but it might take some time. -- This message was sent by Atlassian JIRA (v6.2.6#6264)