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Article View: borland.public.jbuilder.java.language
Article #17243

Print JTextArea gives nullpointer exception?

#17243
From: Michael Appelmans
Date: Fri, 20 Nov 1998 00:00
74 lines
3548 bytes
I'm trying to print the contents of a textArea and get nullpointer
exception.

Any suggestions would be appreciated.

 Here is sample snippet and errors:

   Toolkit tk = Toolkit.getDefaultToolkit();
    PrintJob pj = tk.getPrintJob(this, this.getTitle(),
printerSettings);
    Graphics pg =  pj.getGraphics();
    jtaWatchText.print(pg);
    pg.dispose();
    pj.end();

Exception occurred during event dispatching:
java.lang.NullPointerException
 at com.sun.java.swing.text.PlainView.paint(Compiled Code)
 at com.sun.java.swing.text.DefaultTextUI$RootView.paint(Compiled
Code)
 at com.sun.java.swing.text.DefaultTextUI.paintSafely(Compiled Code)
 at com.sun.java.swing.text.DefaultTextUI$SafePainter.run(Compiled
Code)
 at com.sun.java.swing.text.AbstractDocument.render(Compiled Code)
 at com.sun.java.swing.text.DefaultTextUI.paint(Compiled Code)
 at com.sun.java.swing.plaf.ComponentUI.update(Compiled Code)
 at com.sun.java.swing.JComponent.paintComponent(Compiled Code)
 at com.sun.java.swing.JComponent.paint(Compiled Code)
 at java.awt.Component.print(Component.java:1381)
 at java.awt.Container.print(Compiled Code)
 at textwindow.Watch.printText(Watch.java:146)
 at textwindow.WatchMenu.miPrint_actionPerformed(WatchMenu.java:165)
 at textwindow.WatchMenu$4.actionPerformed(WatchMenu.java:91)
 at
com.sun.java.swing.AbstractButton.fireActionPerformed(AbstractButton.j
ava:860)
 at
com.sun.java.swing.AbstractButton$ForwardActionEvents.actionPerformed(
AbstractButton.java:895)
 at
com.sun.java.swing.DefaultButtonModel.fireActionPerformed(DefaultButto
nModel.java:338)
 at com.sun.java.swing.DefaultButtonModel.setPressed(Compiled Code)
 at com.sun.java.swing.AbstractButton.doClick(AbstractButton.java:169)
 at
com.sun.java.swing.plaf.basic.BasicMenuItemUI.processMouseEvent(Compil
ed Code)
 at com.sun.java.swing.JMenuItem.processMouseEvent(Compiled Code)
 at com.sun.java.swing.MenuSelectionManager.processMouseEvent(Compiled
Code)
 at
com.sun.java.swing.plaf.basic.BasicMenuMouseListener.mouseReleased(Bas
icMenuMouseListener.java:37)
 at java.awt.Component.processMouseEvent(Compiled Code)
 at java.awt.Component.processEvent(Compiled Code)
 at java.awt.Container.processEvent(Compiled Code)
 at java.awt.Component.dispatchEventImpl(Compiled Code)
 at java.awt.Container.dispatchEventImpl(Compiled Code)
 at java.awt.Component.dispatchEvent(Compiled Code)
 at java.awt.LightweightDispatcher.retargetMouseEvent(Compiled Code)
 at java.awt.LightweightDispatcher.processMouseEvent(Compiled Code)
 at java.awt.LightweightDispatcher.dispatchEvent(Compiled Code)
 at java.awt.Container.dispatchEventImpl(Compiled Code)
 at java.awt.Window.dispatchEventImpl(Compiled Code)
 at java.awt.Component.dispatchEvent(Compiled Code)
 at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)


--
Michael Appelmans

Agility, Inc.
*SpamBam - remove 123 to mail*
mappelmans@123agility-inc.com
Technical Details
Message-ID: <73h9tf$b8321@forums.borland.com>
Path: arc1-ca.pugleaf.net!unknown!not-for-mail

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From: "Michael Appelmans" <mappel@123ibm.net>
Subject: Print JTextArea gives nullpointer exception?
Date: 1998/11/20
Message-ID: <73h9tf$b8321@forums.borland.com>
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