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If -ui is specified for an IDE look and feel, wizards throw an exception when the "next" button is pressed. There are two workarounds: 1. If -ui is specified, -fontsize must also be specified. or 2. Don't specify -ui on the command line. After looking in the code, the defect appears to be in the class org.netbeans.core.Main where the uiFontSize is not set to a default value when - ui is specified.
What ui did you used? What OS and JDK? What NB build? I tried current dev build on Linux JD 1.4.2 with GTK L&F and could not even start IDE. I filed issue #36063. Could you attach exception log?
Platform: Netbeans 3.5.1 JSDK 1.4.2 Windows XP Note that I get the same exception no matter what wizard is used. Stack trace: java.lang.NullPointerException at org.openide.WizardDescriptor.goToNextStep (WizardDescriptor.java:598) at org.openide.WizardDescriptor.access$300 (WizardDescriptor.java:55) at org.openide.WizardDescriptor$Listener.actionPerformed (WizardDescriptor.java:1110) at javax.swing.AbstractButton.fireActionPerformed (AbstractButton.java:1786) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed (AbstractButton.java:1839) at javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:420) at javax.swing.DefaultButtonModel.setPressed (DefaultButtonModel.java:258) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased (BasicButtonListener.java:245) at java.awt.Component.processMouseEvent(Component.java:5099) at java.awt.Component.processEvent(Component.java:4896) at java.awt.Container.processEvent(Container.java:1569) at java.awt.Component.dispatchEventImpl(Component.java:3614) at java.awt.Container.dispatchEventImpl(Container.java:1627) at java.awt.Component.dispatchEvent(Component.java:3476) at java.awt.LightweightDispatcher.retargetMouseEvent (Container.java:3483) at java.awt.LightweightDispatcher.processMouseEvent (Container.java:3198) at java.awt.LightweightDispatcher.dispatchEvent (Container.java:3128) at java.awt.Container.dispatchEventImpl(Container.java:1613) at java.awt.Window.dispatchEventImpl(Window.java:1606) at java.awt.Component.dispatchEvent(Component.java:3476) [catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:456) at java.awt.EventDispatchThread.pumpOneEventForHierarchy (EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForHierarchy (EventDispatchThread.java:151) at java.awt.EventDispatchThread.pumpEvents (EventDispatchThread.java:145) at java.awt.EventDispatchThread.pumpEvents (EventDispatchThread.java:137) at java.awt.EventDispatchThread.run (EventDispatchThread.java:100)
UI used was com.incors.plaf.kunststoff.KunststoffLookAndFeel
It is known isseu of wizard.
*** This issue has been marked as a duplicate of 35335 ***
verified duplicate BTW it's fixed for incoming NB 3.6