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[Bug swing/27393] JTextArea.setText("") hangs.


From: audriusa at bluewin dot ch
Subject: [Bug swing/27393] JTextArea.setText("") hangs.
Date: 4 May 2006 08:12:17 -0000


------- Comment #10 from audriusa at bluewin dot ch  2006-05-04 08:12 -------
Robert Schuster wrote:

> +      +      // Throwing a BadLocationException is an observed behavior of 
> the RI.
> +      if (rect.isEmpty())
> +        throw new BadLocationException("Unable to calculate view coordinates 
> "
> +                                       + "when allocation area is empty.", 
> 5);
>  
>
But now the Protege crashes with that new exception after attempt to create the
simpliest possible project from the Protege files. The Protege works if we
return the passed rect back as a result (empty to empty). If we do want to
throw an exception there, something else must be changed, as Protege does not
hang with Sun's library. The stack trace may be useful because from it it is
obvious that methods are executed.

java.lang.AssertionError: Unexpected bad location
  at javax.swing.plaf.basic.BasicTextUI.damageRange(BasicTextUI.java:1104)
  at javax.swing.plaf.basic.BasicTextUI.damageRange(BasicTextUI.java:998)
  at
javax.swing.text.DefaultHighlighter.addHighlight(DefaultHighlighter.java:264)
  at javax.swing.text.DefaultCaret.clearHighlight(DefaultCaret.java:725)
  at javax.swing.text.DefaultCaret.setDotImpl(DefaultCaret.java:1054)
  at javax.swing.text.DefaultCaret.setDot(DefaultCaret.java:1041)
  at
javax.swing.text.DefaultCaret$DocumentHandler.removeUpdate(DefaultCaret.java:187)
  at
javax.swing.text.AbstractDocument.fireRemoveUpdate(AbstractDocument.java:318)
  at javax.swing.text.AbstractDocument.removeImpl(AbstractDocument.java:741)
  at javax.swing.text.AbstractDocument.replaceImpl(AbstractDocument.java:781)
  at javax.swing.text.AbstractDocument.replace(AbstractDocument.java:774)
  at javax.swing.text.JTextComponent.setText(JTextComponent.java:1184)
  at
edu.stanford.smi.protege.util.ComponentFactory$10.setText(ComponentFactory.java:616)
  at
edu.stanford.smi.protege.widget.TextComponentWidget.setText(TextComponentWidget.java:181)
  at
edu.stanford.smi.protege.widget.TextComponentWidget.setValues(TextComponentWidget.java:209)
  at
edu.stanford.smi.protege.widget.AbstractSlotWidget.setWidgetValues(AbstractSlotWidget.java:500)
  at
edu.stanford.smi.protege.widget.AbstractSlotWidget.loadValues(AbstractSlotWidget.java:337)
  at
edu.stanford.smi.protege.widget.AbstractSlotWidget.setInstance(AbstractSlotWidget.java:392)
  at
edu.stanford.smi.protege.widget.TextComponentWidget.setInstance(TextComponentWidget.java:200)
  at
edu.stanford.smi.protege.widget.FormWidget.propagateSetInstanceToWidgets(FormWidget.java:800)
  at
edu.stanford.smi.protege.widget.FormWidget.setInstance(FormWidget.java:1015)
  at
edu.stanford.smi.protege.model.Project.createRuntimeClsWidget(Project.java:435)
  at
edu.stanford.smi.protege.ui.InstanceDisplay.getWidget(InstanceDisplay.java:231)
  at
edu.stanford.smi.protege.ui.InstanceDisplay.addRuntimeWidgets(InstanceDisplay.java:205)
  at
edu.stanford.smi.protege.ui.InstanceDisplay.setInstance(InstanceDisplay.java:670)
  at
edu.stanford.smi.protege.ui.InstanceDisplay.setInstance(InstanceDisplay.java:654)
  at
edu.stanford.smi.protege.widget.ClsesTab.transmitSelection(ClsesTab.java:143)
  at
edu.stanford.smi.protege.widget.ClsesTab.setInitialSelection(ClsesTab.java:119)
  at edu.stanford.smi.protege.widget.ClsesTab.initialize(ClsesTab.java:106)
  at
edu.stanford.smi.protege.widget.WidgetUtilities.createTabWidget(WidgetUtilities.java:94)
  at edu.stanford.smi.protege.ui.ProjectView.addTab(ProjectView.java:159)
  at
edu.stanford.smi.protege.ui.ProjectView.createTabbedPane(ProjectView.java:261)
  at edu.stanford.smi.protege.ui.ProjectView.<init>(ProjectView.java:152)
  at
edu.stanford.smi.protege.ui.ProjectManager.displayCurrentProject(ProjectManager.java:282)
  at
edu.stanford.smi.protege.ui.ProjectManager.displayCurrentProject(ProjectManager.java:274)
  at
edu.stanford.smi.protege.ui.ProjectManager.createNewProjectRequest(ProjectManager.java:546)
  at
edu.stanford.smi.protege.ui.WelcomeDialog.newButton_actionPerformed(WelcomeDialog.java:298)
  at
edu.stanford.smi.protege.ui.WelcomeDialog$2.actionPerformed(WelcomeDialog.java:138)
  at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1097)
  at javax.swing.AbstractButton$1.actionPerformed(AbstractButton.java:1907)
  at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:298)
  at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:403)
  at
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:187)
  at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:344)
  at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:344)
  at java.awt.Component.processMouseEvent(Component.java:3103)
  at java.awt.Component.processEvent(Component.java:2964)
  at java.awt.Container.processEvent(Container.java:914)
  at java.awt.Component.dispatchEventImpl(Component.java:5031)
  at java.awt.Container.dispatchEventImpl(Container.java:1741)
  at java.awt.Component.dispatchEvent(Component.java:2322)
  at
java.awt.LightweightDispatcher.handleMouseEvent(LightweightDispatcher.java:197)
  at
java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:116)
  at java.awt.Container.dispatchEventImpl(Container.java:1732)
  at java.awt.Window.dispatchEventImpl(Window.java:642)
  at java.awt.Component.dispatchEvent(Component.java:2322)
  at java.awt.EventQueue.dispatchEvent(EventQueue.java:474)
  at java.awt.EventDispatchThread.run(EventDispatchThread.java:75)
Caused by: javax.swing.text.BadLocationException: Unable to calculate view
coordinates when allocation area is empty.
  at
javax.swing.text.WrappedPlainView$WrappedLine.modelToView(WrappedPlainView.java:549)
  at javax.swing.text.CompositeView.modelToView(CompositeView.java:232)
  at javax.swing.text.BoxView.modelToView(BoxView.java:867)
  at
javax.swing.plaf.basic.BasicTextUI$RootView.modelToView(BasicTextUI.java:286)
  at javax.swing.plaf.basic.BasicTextUI.modelToView(BasicTextUI.java:1204)
  at javax.swing.plaf.basic.BasicTextUI.damageRange(BasicTextUI.java:1029)
  ...57 more 


-- 

audriusa at bluewin dot ch changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |UNCONFIRMED
         Resolution|FIXED                       |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27393





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