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From "Mark Hindess (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-2521) [classlib][swing] j.s.text.JTextPane.updateUI() throws NPE
Date Sat, 13 Jan 2007 12:41:28 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-2521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12464445
] 

Mark Hindess commented on HARMONY-2521:
---------------------------------------

After applying the fix, I get some issues.  There must be a timing issues since either the
test crashes with;

    [junit] Running javax.swing.plaf.basic.BasicTextUITest
*** glibc detected *** double free or corruption (out): 0x08348218 ***
    [junit] Test javax.swing.plaf.basic.BasicTextUITest FAILED

or the test fails with:

testCallOrder                          Failure
                  expected:<...installUI::uninstall
                  [Defaults::uninstallKeyboardActions::uninstallListener]
                  s::> but was:<...installUI::uninstall
                  [Listeners::uninstallDefaults::uninstallKeyboardAction]
                  s::>

                  junit.framework.ComparisonFailure: expected:
                  <...installUI::uninstall
                  [Defaults::uninstallKeyboardActions::uninstallListener]
                  s::> but was:<...installUI::uninstall
                  [Listeners::uninstallDefaults::uninstallKeyboardAction]
                  s::> at
                  javax.swing.plaf.basic.BasicTextUITest.testCallOrder
                  (BasicTextUITest.java:724)


> [classlib][swing] j.s.text.JTextPane.updateUI() throws NPE
> ----------------------------------------------------------
>
>                 Key: HARMONY-2521
>                 URL: https://issues.apache.org/jira/browse/HARMONY-2521
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Alexey A. Ivanov
>         Attachments: Harmony-2521-BasicTextUI.patch, Harmony-2521-BasicTextUITest.patch
>
>
> import javax.swing.JTextPane;
> public class Test {
>     public static void main(String[] args) {
>         new JTextPane().updateUI();
>         System.out.println("passed OK");
>     }
> }
> This simple code causes NPE on Harmony:
> Exception in thread "main" java.lang.NullPointerException
> 	at java.util.Hashtable.put(Hashtable.java:698)
> 	at javax.swing.text.SimpleAttributeSet.addAttribute(SimpleAttributeSet.java:50)
> 	at javax.swing.text.StyleContext.addAttribute(StyleContext.java:477)
> 	at javax.swing.text.StyleContext$NamedStyle.addAttribute(StyleContext.java:77)
> 	at javax.swing.plaf.basic.BasicTextPaneUI.propertyChange(BasicTextPaneUI.java:52)
> 	at javax.swing.plaf.basic.BasicTextUI$Listener.propertyChange(BasicTextUI.java:32)
> 	at java.beans.PropertyChangeSupport.doFirePropertyChange(PropertyChangeSupport.java:334)
> 	at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:59)
> 	at java.awt.Component.firePropertyChangeImpl(Component.java:1666)
> 	at java.awt.Component.firePropertyChange(Component.java:1680)
> 	at java.awt.Component.setForeground(Component.java:322)
> 	at javax.swing.plaf.basic.BasicTextUI.uninstallDefaults(BasicTextUI.java:866)
> 	at javax.swing.plaf.basic.BasicTextUI.uninstallUI(BasicTextUI.java:929)
> 	at javax.swing.JComponent.setUI(JComponent.java:1273)
> 	at javax.swing.text.JTextComponent.updateUI(JTextComponent.java:1587)
> 	at Test.main(Test.java:5)
> The code runs without any errors on RI.

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