[jbosstools-issues] [JBoss JIRA] (JBIDE-12896) ConcurrentModificationException in CDICoreBuilder when importing existing application

ConcurrentModificationException in CDICoreBuilder when importing existing application ------------------------------------------------------------------------------------- Key: JBIDE-12896 URL: https://issues.jboss.org/browse/JBIDE-12896 Project: Tools (JBoss Tools) Issue Type: Bug Components: CDI Affects Versions: 4.0.0.Beta1 Reporter: Xavier Coulon Assignee: Viacheslav Kabanovich Priority: Critical Fix For: 4.0.0.CR1 While working on resolving JBIDE-12690, I got the following error: !MESSAGE Errors running builder 'CDI (Context and Dependency Injection) Builder' on project 'jboss-richfaces-webapp'. !STACK 0 java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793) at java.util.HashMap$KeyIterator.next(HashMap.java:828) at org.jboss.tools.cdi.internal.core.impl.definition.DefinitionContext.copy(DefinitionContext.java:98) at org.jboss.tools.cdi.internal.core.impl.definition.DefinitionContext.newWorkingCopy(DefinitionContext.java:340) at org.jboss.tools.cdi.core.CDICoreBuilder.build(CDICoreBuilder.java:199) at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239) at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295) at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374) at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143) at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53) This exception occurred when I imported an existing project (jboss-richfaces-webapp) that had been created in another workspace.