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

[Daniel Crawl]

Thanks for fixing the problem, Christopher.

   --dan


On 9/29/11 5:29 PM, Christopher Brooks wrote:
> Hi Daniel,
> Thanks for point this out.
> The issue came up when Miro refactored some code so that the layout
> mechanism
> could store the layout parameters.
>
> The issue here was that kepler/gui/src/org/kepler/gui/KeplerGraphFrame.java
> has an _initBasicGraphFrame() method that has quite a bit of code
> duplication.
>
> As an initial workaround, I created 6 protected methods that include the
> common code
> and added a comment to BasicGraphFrame._initBasicGraphFrame so that
> maybe we can
> avoid this issue in the future.
>
> _Christopher
>
> On 9/29/11 3:45 PM, Daniel Crawl wrote:
>>
>> 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
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>