DrJava / Support Requests / #123 Failed to load data file from MBS

Robert Cartwright - 2006-03-14

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The program is blowing up inside Apple specific library code
that only runs on Mac OS X. We see more Java Virtual
Machine bugs on the Mac than other platforms (probably
because Sun develops the JVMs for Windows and Linux while
Apple develops the Mac OS X implementation). I no longer
use a Mac (because Apple support for Java has been weak),
but I will ask a member of the development team with a Mac
to check it out. In the interim, I suggest running the MBS
on a Linux or Windows box.

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Dan Smith - 2006-03-15

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Two things you can do to help us address the problem:

1) Go to Edit -> Preferences, select "Display Options", and change the "Look and
Feel" to something besides apple.laf.AquaLookAndFeel; restart DrJava. Does this
eliminate the error? I would expect that it would.

2) What version of OS X are you using? Some bugs in the AquaLookAndFeel have
been fixed in later releases.

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qct1123 - 2006-03-15

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1. I have tried to change the "Look and Feel" to
Javax.swing.plaf.metal.MetalLookAndFeel and
Com.sun.java.swing.plaf.motif.MotifLookAndFeel; but this did not help
eliminating the error.
2. I was running on OS X 10.4.5

Thank you for your time.

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Robert Cartwright - 2006-04-03

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What release of DrJava are you running? I suggest that you
try the latest development release if you are not already
running it. When a usage scenario fails on Mac OS X and not
only any other platforms, the Apple JVM is usually the
culprit. But it is also possible that there is a timing bug
in DrJava that only manifests on the Mac OS X platform. We
have gradually been cleaning up the synchonization of DrJava
threads so the latest development release is likely to have
fewer timing problems.

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qct1123 - 2006-04-03

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I tried to install the latest development release but failed to do so. After
clicking on the Dr Java icon on the desktop to run, there was error message:

java.lang.RuntimeException: Attempt to call current on an iterator in the final
position
at edu.rice.cs.drjava.model.definitions.reducedmodel.ModelList
$Iterator.current(ModelList.java:249)
at
edu.rice.cs.drjava.model.definitions.reducedmodel.ReducedModelControl.get
HighlightStatus(ReducedModelControl.java:408)
at edu.rice.cs.drjava.model.AbstractDJDocument.getHighlightStatus
(AbstractDJDocument.java:228)
at edu.rice.cs.drjava.model.definitions.ColoringGlyphPainter.paint
(ColoringGlyphPainter.java:116)
at javax.swing.text.GlyphView.paintTextUsingColor(GlyphView.java:439)
at javax.swing.text.GlyphView.paint(GlyphView.java:430)
at javax.swing.text.BoxView.paintChild(BoxView.java:144)
at javax.swing.text.BoxView.paint(BoxView.java:407)
at javax.swing.text.BoxView.paintChild(BoxView.java:144)
at javax.swing.text.BoxView.paint(BoxView.java:407)
at javax.swing.text.ParagraphView.paint(ParagraphView.java:569)
at javax.swing.text.BoxView.paintChild(BoxView.java:144)
at javax.swing.text.BoxView.paint(BoxView.java:407)
at javax.swing.plaf.basic.BasicTextUI$RootView.paint(BasicTextUI.java:
1320)
at javax.swing.plaf.basic.BasicTextUI.paintSafely(BasicTextUI.java:637)
at javax.swing.plaf.basic.BasicTextUI.paint(BasicTextUI.java:771)
at javax.swing.plaf.basic.BasicTextUI.update(BasicTextUI.java:750)
at javax.swing.JComponent.paintComponent(JComponent.java:552)
at edu.rice.cs.drjava.ui.InteractionsPane.paintComponent
(InteractionsPane.java:167)
at javax.swing.JComponent.paint(JComponent.java:840)
at javax.swing.JComponent.paintChildren(JComponent.java:674)
at javax.swing.JComponent.paint(JComponent.java:849)
at javax.swing.JViewport.paint(JViewport.java:720)
at javax.swing.JComponent.paintChildren(JComponent.java:674)
at javax.swing.JComponent.paint(JComponent.java:849)
at javax.swing.JComponent.paintChildren(JComponent.java:674)
at javax.swing.JComponent.paint(JComponent.java:849)
at javax.swing.JComponent.paintChildren(JComponent.java:674)
at javax.swing.JComponent.paint(JComponent.java:849)
at javax.swing.JComponent.paintChildren(JComponent.java:674)
at javax.swing.JSplitPane.paintChildren(JSplitPane.java:1021)
at javax.swing.JComponent.paint(JComponent.java:849)
at javax.swing.JComponent.paintChildren(JComponent.java:674)
at javax.swing.JComponent.paint(JComponent.java:849)
at javax.swing.JComponent.paintChildren(JComponent.java:674)
at javax.swing.JComponent.paint(JComponent.java:849)
at javax.swing.JLayeredPane.paint(JLayeredPane.java:557)
at javax.swing.JComponent.paintChildren(JComponent.java:674)
at javax.swing.JComponent.paint(JComponent.java:849)
at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:
34)
at sun.awt.SunGraphicsCallback.runOneComponent
(SunGraphicsCallback.java:60)
at sun.awt.SunGraphicsCallback.runComponents
(SunGraphicsCallback.java:97)
at java.awt.Container.paint(Container.java:1325)
at sun.awt.RepaintArea.paint(RepaintArea.java:194)
at apple.awt.ComponentModel.handleEvent(ComponentModel.java:290)
at java.awt.Component.dispatchEventImpl(Component.java:3744)
at java.awt.Container.dispatchEventImpl(Container.java:1671)
at java.awt.Window.dispatchEventImpl(Window.java:1606)
at java.awt.Component.dispatchEvent(Component.java:3543)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:480)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy
(EventDispatchThread.java:234)
at java.awt.EventDispatchThread.pumpEventsForHierarchy
(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:
178)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:
170)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)

Please let me know if you need any other info.
Thank you very much

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Dan Smith - 2006-04-03

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When you used the "javax.swing.plaf.metal.MetalLookAndFeel" look and feel, did
you get the *same* error message? Did the first few lines of the exception point
to apple.laf.AquaFileView....? That would surprise me, since there should be no
references to apple.laf.* if you're using a different look and feel. If we can make
that distinction, it would be helpful, since then we would know whether the
problem is in the Apple LAF or somewhere else.

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Dan Smith - 2006-04-03

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Thanks for submitting the stack trace from your error in the latest development
release. Could I have you create a separate bug report (rather than a support
request) for that issue, so that it can be treated separately? (I would do it
myself, but it's helpful to have your user ID as a point of contact for the bug.)

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Dan Smith - 2006-04-03

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Nevermind on creating a separate bug. It has already been submitted here:
[ 1456450 ] Runtime Exception with version 20060127-2145 on start

You could post a message on that bug saying you've experienced the same
problem.

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Mathias Ricken - 2006-04-05

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A Comp 212 student had a similar problem on her Mac:

This is the error trace that I get when I try to run
RiceMBSfw out of
the Interactions Pane in Dr. Java

java controller.MBSController

UnsatisfiedLinkError: getLaunchServicesInfo
at apple.laf.AquaFileView.getLaunchServicesInfo(Native Method)
at apple.laf.AquaFileView.isPackage(AquaFileView.java:241)
at apple.laf.AquaFileView.isTraversable(AquaFileView.java:166)
at
javax.swing.JFileChooser.isTraversable(JFileChooser.java:1550)
at
javax.swing.JFileChooser.setCurrentDirectory(JFileChooser.java:
556)
at javax.swing.JFileChooser.<init>(JFileChooser.java:333)
at javax.swing.JFileChooser.<init>(JFileChooser.java:315)
at view.EnvFileChooser.<init>(EnvFileChooser.java:48)
at view.MBSView.<init>(MBSView.java:207)
at controller.MBSController.run(MBSController.java:47)
at controller.MBSController.main(MBSController.java:154)
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:585)

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Failed to load data file from MBS

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#123 Failed to load data file from MBS

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