null pointer exception from RequestMappingsView

Found this in my error log, probably after deleting some project:

Error
Thu Aug 08 14:36:20 PDT 2013
Problems occurred when invoking code from plug-in: "org.eclipse.core.resources".

java.lang.NullPointerException
at org.springframework.ide.eclipse.metadata.ui.RequestMappingView$ResourceChangeListener.resourceChanged(RequestMappingView.java:664)
at org.eclipse.core.internal.events.NotificationManager$1.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.handleEvent(NotificationManager.java:261)
at org.eclipse.core.internal.resources.Workspace.broadcastEvent(Workspace.java:391)
at org.eclipse.core.internal.resources.Resource.broadcastPreDeleteEvent(Resource.java:2030)
at org.eclipse.core.internal.resources.Resource.delete(Resource.java:788)
at org.eclipse.core.internal.resources.Project.delete(Project.java:344)
at org.eclipse.ltk.core.refactoring.resource.DeleteResourceChange.perform(DeleteResourceChange.java:160)
at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
at org.eclipse.ltk.core.refactoring.CompositeChange.perform(CompositeChange.java:278)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:258)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2345)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:306)
at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.executeChange(UIPerformChangeOperation.java:92)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:218)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2345)
at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)