[ale] OT: InternalError when using Java's JTree.

[Denny Chambers]

This is a good point. run java -version to make sure your getting the 
right jvm. Some distro install kaffe, which will not work on java code 
written for swing.

Denny

John Wells wrote:

>Joe,
>
>Works perfectly here (RH 8, java 1.4.1_01-fcs).  Are you sure you don't
>have an old jvm lying around?
>
>What's your PATH/CLASSPATH look like?
>
>John
>
>
>Joe said:
>  
>
>>Denny Chambers <dchambers at bugfixer.net> writes:
>>
>>    
>>
>>>I have never seen this. Can you publish some example code, or at least
>>>explain more about the operation that you were trying to do when this
>>>exception occurred.
>>>      
>>>
>>Yep. Pretty minimal: make a JTree, put it in a container, paint it,
>>Boom! Code follows. OS is Linux kernel 2.4.19. Distro is Slack. JVM and
>>all Java tools are Sun's latest J2SE 1.4.1 (though I tried with 1.4.0
>>too, no joy). Display is pretty ordinary: 800x600x8bits.
>>
>>Thanks for looking.
>>
>>-- Joe Knapka
>>
>>---cut here---
>>import java.awt.*;
>>import java.awt.event.*;
>>import javax.swing.*;
>>import javax.swing.tree.*;
>>
>>public class Junk {
>>
>>    public static void main(String[] args) {
>>	new Junk().go();
>>    }
>>
>>    void go() {
>>	JFrame fr = new JFrame("JTree test.");
>>	fr.getContentPane().setLayout(new FlowLayout());
>>
>>	JTree jt = new JTree();
>>	fr.getContentPane().add(jt);
>>
>>	fr.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
>>	fr.pack();
>>	fr.setVisible(true);
>>    }
>>}
>>---cut here---
>>
>>And for a hefty dose of additional fun and excitement, we bring you....
>>the backtrace!
>>
>>java.lang.InternalError: not implemented yet
>>	at sun.awt.X11SurfaceData.getRaster(X11SurfaceData.java:155)
>>	at sun.java2d.loops.OpaqueCopyAnyToArgb.Blit(CustomComponent.java:67)
>>at
>>sun.java2d.loops.GraphicsPrimitive.convertFrom(GraphicsPrimitive.java:452)
>>at sun.java2d.loops.MaskBlit$General.MaskBlit(MaskBlit.java:186)
>>	at sun.java2d.loops.Blit$GeneralMaskBlit.Blit(Blit.java:170)
>>	at sun.java2d.pipe.DrawImage.blitSurfaceData(DrawImage.java:627)
>>	at sun.java2d.pipe.DrawImage.renderSurfaceData(DrawImage.java:355) at
>>sun.java2d.pipe.DrawImage.clipAndRenderSurfaceData(DrawImage.java:333)
>>at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:64)
>>	at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:48)
>>	at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:715)
>>	at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:2782)
>>	at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:2772)
>>	at
>>javax.swing.plaf.metal.MetalIconFactory$FolderIcon16.paintIcon(MetalIconFactory.java:1417)
>>at javax.swing.plaf.basic.BasicLabelUI.paint(BasicLabelUI.java:152) at
>>javax.swing.plaf.ComponentUI.update(ComponentUI.java:142)
>>	at javax.swing.JComponent.paintComponent(JComponent.java:537)
>>	at javax.swing.JComponent.paint(JComponent.java:804)
>>	at
>>javax.swing.tree.DefaultTreeCellRenderer.paint(DefaultTreeCellRenderer.java:397)
>>at
>>javax.swing.CellRendererPane.paintComponent(CellRendererPane.java:134)
>>at javax.swing.plaf.basic.BasicTreeUI.paintRow(BasicTreeUI.java:1380)
>>at javax.swing.plaf.basic.BasicTreeUI.paint(BasicTreeUI.java:1171) at
>>javax.swing.plaf.metal.MetalTreeUI.paint(MetalTreeUI.java:143) at
>>javax.swing.plaf.ComponentUI.update(ComponentUI.java:142)
>>	at javax.swing.JComponent.paintComponent(JComponent.java:537)
>>	at javax.swing.JComponent.paint(JComponent.java:804)
>>	at
>>javax.swing.JComponent.paintWithOffscreenBuffer(JComponent.java:4735)
>>at javax.swing.JComponent.paintDoubleBuffered(JComponent.java:4688) at
>>javax.swing.JComponent._paintImmediately(JComponent.java:4632) at
>>javax.swing.JComponent.paintImmediately(JComponent.java:4464)
>>	at
>>javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:410)
>>at
>>javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:117)
>>at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178) at
>>java.awt.EventQueue.dispatchEvent(EventQueue.java:443)
>>	at
>>java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:191)
>>at
>>java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:144)
>>at
>>java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
>>at
>>java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:130)
>>at java.awt.EventDispatchThread.run(EventDispatchThread.java:98)
>>
>>
>>    
>>
>>>Denny
>>>
>>>Joe wrote:
>>>
>>>      
>>>
>>>>Before I start trying to debug Sun's lowlevel AWT code { ;-) }, I
>>>>        
>>>>
>>>thought I'd ask: has anyone ever seen a
>>>      
>>>
>>>>java.lang.InternalError: Not implemented yet
>>>>  at sun.awt.X11SurfaceData.getRaster(X11SurfaceData.java:155)
>>>>when using the javax.swing.tree stuff? Google is no help
>>>>thus far. I guess it works fine almost everywhere...
>>>>Oh, BTW, I'm developing under Linux (excellent!) for deployment under
>>>>        
>>>>
>>>Win2K (bogus!); I've not tested the code on Windows
>>>      
>>>
>>>>yet, though I'll do so soon.
>>>>
>>>>Thanks,
>>>>
>>>>-- Joe Knapka
>>>>_______________________________________________
>>>>Ale mailing list
>>>>Ale at ale.org
>>>>http://www.ale.org/mailman/listinfo/ale
>>>>
>>>>
>>>>
>>>>        
>>>>
>>--
>>  "I'd rather chew my leg off than maintain Java code, which
>>   sucks, 'cause I have a lot of Java code to maintain and
>>   the leg surgery is starting to get expensive." - Me
>>_______________________________________________
>>Ale mailing list
>>Ale at ale.org
>>http://www.ale.org/mailman/listinfo/ale
>>    
>>
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