*** ERROR ***: Tue Apr 13 21:28:08 GMT 2010    java.util.ConcurrentModificationException
    	at org.eclipse.emf.common.util.AbstractEList$EIterator.checkModCount(AbstractEList.java:762)
    	at org.eclipse.emf.common.util.AbstractEList$EIterator.doNext(AbstractEList.java:710)
    	at org.eclipse.emf.common.util.AbstractEList$EIterator.next(AbstractEList.java:696)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.getResources(ResourceSetWorkbenchEditSynchronizer.java:428)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.addedResource(ResourceSetWorkbenchEditSynchronizer.java:315)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.visit(ResourceSetWorkbenchEditSynchronizer.java:281)
    	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:234)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.acceptDelta(ResourceSetWorkbenchEditSynchronizer.java:202)
    	at org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer.resourceChanged(ResourceSetWorkbenchEditSynchronizer.java:138)
    	at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:291)
    	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    	at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
    	at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
    	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)