There's a null pointer excetion on a lister here the stackstrace:
!ENTRY org.eclipse.core.resources 4 2 2007-03-30 08:31:42.807
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources".
!STACK 0
java.lang.NullPointerException
at org.jboss.ide.eclipse.core.ProjectChangeListener.resourceChanged(ProjectChangeListener.java:46)
at org.eclipse.core.internal.events.NotificationManager$2.run(NotificationManager.java:280)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:274)
at org.eclipse.core.internal.events.NotificationManager.handleEvent(NotificationManager.java:246)
at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Workspace.java:250)
at org.eclipse.core.internal.resources.Project.close(Project.java:186)
at org.eclipse.ui.actions.CloseResourceAction.invokeOperation(CloseResourceAction.java:184)
at org.eclipse.ui.actions.WorkspaceAction.execute(WorkspaceAction.java:134)
at org.eclipse.ui.actions.WorkspaceAction$2.runInWorkspace(WorkspaceAction.java:429)
at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)