[kepler-dev] [Bug 5574] New: exception from gui in java 7

[bugzilla-daemon at ecoinformatics.org]

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=5574

             Bug #: 5574
           Summary: exception from gui in java 7
    Classification: Unclassified
           Product: Kepler
           Version: trunk
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: interface
        AssignedTo: barseghian at nceas.ucsb.edu
        ReportedBy: crawl at sdsc.edu
         QAContact: kepler-dev at kepler-project.org


Using java 7, the following exception is generated when choosing "Listen to
Actor" from the context menu, or double-clicking on a python actor:

java.lang.NullPointerException
        at ptolemy.actor.gui.TextEditor.getBackground(TextEditor.java:144)
        at java.awt.Window.setBackground(Unknown Source)
        at java.awt.Frame.setBackground(Unknown Source)
        at ptolemy.gui.Top.access$1001(Top.java:141)
        at ptolemy.gui.Top$SetBackgroundRunnable.run(Top.java:1889)
        at ptolemy.gui.Top.deferIfNecessary(Top.java:247)
        at ptolemy.gui.Top.setBackground(Top.java:501)
        at ptolemy.actor.gui.TextEditor.setBackground(TextEditor.java:238)
        at javax.swing.JFrame.frameInit(Unknown Source)
        at javax.swing.JFrame.<init>(Unknown Source)
        at ptolemy.gui.Top.<init>(Top.java:162)
        at ptolemy.actor.gui.TableauFrame.<init>(TableauFrame.java:133)
        at ptolemy.actor.gui.TableauFrame.<init>(TableauFrame.java:168)
        at ptolemy.actor.gui.TextEditor.<init>(TextEditor.java:104)
        at ptolemy.actor.gui.TextEditor.<init>(TextEditor.java:91)
        at ptolemy.actor.gui.TextEditor.<init>(TextEditor.java:81)
        at
ptolemy.vergil.toolbox.TextEditorForStringAttributes.<init>(TextEditorForStringAttributes.java:59)
        at
ptolemy.vergil.toolbox.TextEditorConfigureFactory.createEditor(TextEditorConfigureFactory.java:135)
        at
ptolemy.vergil.toolbox.ConfigureAction._openDialog(ConfigureAction.java:143)
        at
ptolemy.vergil.toolbox.ConfigureAction.actionPerformed(ConfigureAction.java:99)
        at
diva.canvas.interactor.ActionInteractor.mousePressed(ActionInteractor.java:74)
        at
diva.canvas.interactor.CompositeInteractor.mousePressed(CompositeInteractor.java:199)
        at
diva.canvas.interactor.SelectionInteractor.mousePressed(SelectionInteractor.java:202)
        at diva.canvas.FigureLayer.dispatchEventUpTree(FigureLayer.java:551)
        at diva.canvas.FigureLayer.grabPointer(FigureLayer.java:319)
        at diva.canvas.FigureLayer.processLayerEvent(FigureLayer.java:673)
        at diva.canvas.FigureLayer.dispatchEvent(FigureLayer.java:203)
        at diva.canvas.CanvasPane.processLayerEvent(CanvasPane.java:280)
        at diva.canvas.CanvasPane.dispatchEvent(CanvasPane.java:89)
        ...

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