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Why Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException?

user12076936Mar 10 2010 — edited Mar 12 2010

Hello,

In my netbeans generated swing code I get the following stacktrace:

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
	at javax.swing.text.PlainView.updateMetrics(PlainView.java:188)
	at javax.swing.text.PlainView.lineToRect(PlainView.java:589)
	at javax.swing.text.PlainView.modelToView(PlainView.java:327)
	at javax.swing.text.FieldView.modelToView(FieldView.java:248)
	at javax.swing.plaf.basic.BasicTextUI$RootView.modelToView(BasicTextUI.java:1498)
	at javax.swing.plaf.basic.BasicTextUI.modelToView(BasicTextUI.java:1036)
	at javax.swing.text.DefaultCaret.repaintNewCaret(DefaultCaret.java:1291)
	at javax.swing.text.DefaultCaret$1.run(DefaultCaret.java:1270)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:633)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

The code is @ http://code.google.com/p/memorizeasy/source/browse/trunk/MemorizEasy/src/com/mysimpatico/memorizeasy/engine/executables/Input.java

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Locked on Apr 9 2010

Added on Mar 10 2010

#swing

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