[kepler-dev] NPE in diva.gui.GUIUtilities.addHotKey

[Daniel Crawl]

Hi Christopher,

I recently updated my Ptolemy sources to r62163, and get this error when
starting Kepler:

       [run] java.lang.NullPointerException
       [run] 	at diva.gui.GUIUtilities.addHotKey(GUIUtilities.java:104)
       [run] 	at diva.gui.GUIUtilities.addHotKey(GUIUtilities.java:94)
       [run] 	at 
ptolemy.vergil.actor.ActorGraphFrame._addMenus(ActorGraphFrame.java:205)
       [run] 	at 
org.kepler.gui.KeplerGraphFrame._addMenus(KeplerGraphFrame.java:1356)
       [run] 	at ptolemy.gui.Top$DoPackRunnable.run(Top.java:1845)
       [run] 	at ptolemy.gui.Top.deferIfNecessary(Top.java:246)
       [run] 	at ptolemy.gui.Top.pack(Top.java:457)
       [run] 	at ptolemy.actor.gui.TableauFrame.pack(TableauFrame.java:322)
       [run] 	at ptolemy.actor.gui.Tableau.show(Tableau.java:354)
       [run] 	at 
ptolemy.actor.gui.Configuration.createPrimaryTableau(Configuration.java:594)
       [run] 	at 
ptolemy.vergil.VergilApplication._createEmptyConfiguration(VergilApplication.java:421)
       [run] 	at 
ptolemy.actor.gui.ConfigurationApplication._parseArgs(ConfigurationApplication.java:1273)
       [run] 	at 
ptolemy.vergil.VergilApplication._parseArgs(VergilApplication.java:497)
       [run] 	at 
ptolemy.actor.gui.ConfigurationApplication.<init>(ConfigurationApplication.java:244)
       [run] 	at 
ptolemy.actor.gui.MoMLApplication.<init>(MoMLApplication.java:80)
       [run] 	at 
ptolemy.vergil.VergilApplication.<init>(VergilApplication.java:111)
       [run] 	at 
ptolemy.vergil.VergilApplication$1.run(VergilApplication.java:239)
       [run] 	at 
java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
       [run] 	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:677)
       [run] 	at java.awt.EventQueue.access$000(EventQueue.java:85)
       [run] 	at java.awt.EventQueue$1.run(EventQueue.java:638)
       [run] 	at java.awt.EventQueue$1.run(EventQueue.java:636)
       [run] 	at java.security.AccessController.doPrivileged(Native Method)
       [run] 	at 
java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
       [run] 	at java.awt.EventQueue.dispatchEvent(EventQueue.java:647)
       [run] 	at 
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
       [run] 	at 
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
       [run] 	at 
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
       [run] 	at 
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
       [run] 	at 
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
       [run] 	at 
java.awt.EventDispatchThread.run(EventDispatchThread.java:122)


I checked out a few previous revisions, and it appears r62155 is the
last revision that without the error.

   --dan