While clicking around rapidly in the data browser from gretzky build 80 I managed to trigger,

java.lang.Exception: Abnormal termination due to an uncaught exception.
java.lang.NullPointerException
	at org.openmicroscopy.shoola.agents.metadata.view.MetadataViewerModel.isSameSelection(MetadataViewerModel.java:1112)
	at org.openmicroscopy.shoola.agents.metadata.view.MetadataViewerComponent.setMetadata(MetadataViewerComponent.java:287)
	at org.openmicroscopy.shoola.agents.metadata.StructuredDataLoader.handleResult(StructuredDataLoader.java:107)
	at org.openmicroscopy.shoola.env.data.events.DSCallAdapter.eventFired(DSCallAdapter.java:90)
	at org.openmicroscopy.shoola.env.data.views.BatchCallMonitor$1.run(BatchCallMonitor.java:124)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:702)
	at java.awt.EventQueue.access$400(EventQueue.java:82)
	at java.awt.EventQueue$2.run(EventQueue.java:663)
	at java.awt.EventQueue$2.run(EventQueue.java:661)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:672)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Abnormal termination due to an uncaught exception.
java.lang.NullPointerException
	at org.openmicroscopy.shoola.agents.metadata.view.MetadataViewerModel.isSameSelection(MetadataViewerModel.java:1112)
	at org.openmicroscopy.shoola.agents.metadata.view.MetadataViewerComponent.setMetadata(MetadataViewerComponent.java:287)
	at org.openmicroscopy.shoola.agents.metadata.StructuredDataLoader.handleResult(StructuredDataLoader.java:107)
	at org.openmicroscopy.shoola.env.data.events.DSCallAdapter.eventFired(DSCallAdapter.java:90)
	at org.openmicroscopy.shoola.env.data.views.BatchCallMonitor$1.run(BatchCallMonitor.java:124)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:702)
	at java.awt.EventQueue.access$400(EventQueue.java:82)
	at java.awt.EventQueue$2.run(EventQueue.java:663)
	at java.awt.EventQueue$2.run(EventQueue.java:661)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:672)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Exception in thread "AWT-EventQueue-0"

	at org.openmicroscopy.shoola.env.ui.UserNotifierImpl.showErrorDialog(UserNotifierImpl.java:189)
	at org.openmicroscopy.shoola.env.ui.UserNotifierImpl.notifyError(UserNotifierImpl.java:287)
	at org.openmicroscopy.shoola.env.AbnormalExitHandler.doTermination(AbnormalExitHandler.java:146)
	at org.openmicroscopy.shoola.env.AbnormalExitHandler.terminate(AbnormalExitHandler.java:84)
	at org.openmicroscopy.shoola.env.AWTExceptionHanlder.handle(AWTExceptionHanlder.java:99)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at java.awt.EventDispatchThread.handleException(EventDispatchThread.java:412)
	at java.awt.EventDispatchThread.processException(EventDispatchThread.java:318)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:312)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)