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From "Mikhail Loenko (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HARMONY-1475) [classlib][swing/text] Editing text in JTextComponent after updateUI() throws NPE
Date Fri, 20 Oct 2006 04:34:36 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1475?page=all ]

Mikhail Loenko resolved HARMONY-1475.
-------------------------------------

    Resolution: Fixed

applied in revision 465985
Dmitry please check that it resolved the problem

> [classlib][swing/text] Editing text in JTextComponent after updateUI() throws NPE
> ---------------------------------------------------------------------------------
>
>                 Key: HARMONY-1475
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1475
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Dmitry A. Durnev
>         Assigned To: Mikhail Loenko
>         Attachments: 1475-BasicTextUI-tests.patch, H1475-BasicTextUI.patch, H1475-tests.patch
>
>
> Compile & run the following code:
> import javax.swing.JTextField;
> import javax.swing.text.JTextComponent;
> public class JTextFieldTest {
>     public static void main(String[] args) {
>         JTextComponent jtf = new JTextField();
>         jtf.updateUI();
>         jtf.setText("q");
>         System.out.println(jtf.getText());
>     }
> }
> On RI it prints text, on Harmony NPE is thrown:
> java.lang.NullPointerException
> 	at java.awt.Toolkit$ComponentInternalsImpl.getTextFieldKit(Toolkit.java:260)
> 	at org.apache.harmony.awt.text.TextUtils.getTextFieldKit(TextUtils.java:432)
> 	at javax.swing.text.FieldView.adjustAllocation(FieldView.java:38)
> 	at javax.swing.text.FieldView.insertUpdate(FieldView.java:81)
> 	at javax.swing.text.RootView.insertUpdate(RootView.java:177)
> 	at javax.swing.plaf.basic.BasicTextUI$Listener.insertUpdate(BasicTextUI.java:255)
> 	at javax.swing.text.AbstractDocument.fireInsertUpdate(AbstractDocument.java:1210)
> 	at javax.swing.text.AbstractDocument.doInsert(AbstractDocument.java:1324)
> 	at javax.swing.text.PlainDocument.doInsert(PlainDocument.java:182)
> 	at javax.swing.text.AbstractDocument.doReplace(AbstractDocument.java:1375)
> 	at javax.swing.text.AbstractDocument.replace(AbstractDocument.java:1160)
> 	at javax.swing.text.JTextComponent.setText(JTextComponent.java:1557)
> The same NPE is thrown when editing text manually.
> This issue can break some Swing apps.

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