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Build: NetBeans IDE 6.1 (Build 200810140114) VM: Java HotSpot(TM) Client VM, 11.2-b01, Java(TM) SE Runtime Environment, 1.6.0_12-b04 OS: Windows XP, 5.1, x86 Stacktrace: java.lang.NullPointerException at org.netbeans.modules.wsdlextensions.jdbc.wizards.JDBCWizardOptionsPanel.isValid(JDBCWizardOptionsPanel.java:343) at java.awt.Component.invalidateIfValid(Component.java:2740) at java.awt.Component.setLocale(Component.java:1810) at javax.swing.JComponent.<init>(JComponent.java:595) at javax.swing.JPanel.<init>(JPanel.java:65) at javax.swing.JPanel.<init>(JPanel.java:92)
Created attachment 77027 [details] stacktrace
That seems to be the problem introduced in 6u12 ("Fixed 4811096: Allow mixing of heavy and lightweight components "). The wizard panel's overridden isValid() is called through the super constructor while the child components are still null. See <http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6793340> for further details.
The status whiteboard "65fixes4-candidate" has been removed. At this time our proactive patches for the NetBeans 6.5.x IDE have concluded. If you own a Sun service plan contract for NetBeans, you may wish to contact Sun Service http://www.sun.com/contact/support.jsp to request a fix via the product defect escalation process. For more information on purchasing a Sun service plan contract for NetBeans, refer to the service plan item "Sun Software Service Plans (S3P) for Developers" in the Sun Service table found on our NetBeans Support Resources page http://www.netbeans.org/kb/support.html
This old bug may not be relevant anymore. If you can still reproduce it in 8.2 development builds please reopen this issue. Thanks for your cooperation, NetBeans IDE 8.2 Release Boss