*** ERROR ***: Fri Jun 05 19:23:13 GMT 2009    java.util.ConcurrentModificationException
    	at org.eclipse.emf.common.util.BasicEList$EIterator.checkModCount(BasicEList.java:1378)
    	at org.eclipse.emf.common.util.BasicEList$EIterator.doNext(BasicEList.java:1326)
    	at org.eclipse.emf.common.util.BasicEList$EIterator.next(BasicEList.java:1312)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.getResources(ResourceSetWorkbenchEditSynchronizer.java:440)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.addedResource(ResourceSetWorkbenchEditSynchronizer.java:324)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.visit(ResourceSetWorkbenchEditSynchronizer.java:290)
    	at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:68)
    	at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:79)
    	at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:79)
    	at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:79)
    	at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:79)
    	at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:79)
    	at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:48)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.primAcceptDelta(ResourceSetWorkbenchEditSynchronizer.java:243)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.acceptDelta(ResourceSetWorkbenchEditSynchronizer.java:218)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.resourceChanged(ResourceSetWorkbenchEditSynchronizer.java:147)
    	at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:288)
    	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
    	at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:282)
    	at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:148)
    	at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:313)
    	at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1022)
    	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:153)
    	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:238)
    	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)