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Exert from ide.log: "------------------------------------------------- ------------------------------ >Log Session: Friday, September 19, 2003 7:29:56 PM CAT >System Info: Product Version = NetBeans IDE 3.5.1 (Build 200307302351) IDE Versioning = IDE/1 spec=3.42.2 impl=200307302351 Operating System = Windows 98 version 4.10 running on x86 Java; VM; Vendor = 1.4.2; Java HotSpot(TM) Client VM 1.4.2-b28; Sun Microsystems Inc. Java Home = C:\PROGRAM FILES\J2SDK1.4.2\JRE System Locale; Encod. = en_US; Cp1252 Home Dir; Current Dir = C:\WINDOWS; C:\Program Files\NetBeans IDE 3.5.1 IDE Install; User Dir = C:\PROGRAM FILES\NETBEANS IDE 3.5.1; C:\WINDOWS\.netbeans\3.5 CLASSPATH = C:\PROGRAM FILES\NETBEANS IDE 3.5.1 \lib\ext\boot.jar;C:\PROGRAM FILES\NETBEANS IDE 3.5.1\lib\ext\crimson-1.1.3.jar;C:\PROGRAM FILES\NETBEANS IDE 3.5.1\lib\ext\regexp- 1.2.jar;C:\PROGRAM FILES\NETBEANS IDE 3.5.1 \lib\ext\xerces-2.0.2.jar;C:\PROGRAM FILES\NETBEANS IDE 3.5.1\lib\ext\xml-apis- 1.0b2.jar;C:\Program Files\j2sdk1.4.2 \lib\dt.jar;C:\Program Files\j2sdk1.4.2 \lib\tools.jar Boot & ext classpath = C:\PROGRAM FILES\J2SDK1.4.2\JRE\lib\rt.jar;C:\PROGRAM FILES\J2SDK1.4.2\JRE\lib\i18n.jar;C:\PROGRAM FILES\J2SDK1.4.2 \JRE\lib\sunrsasign.jar;C:\PROGRAM FILES\J2SDK1.4.2\JRE\lib\jsse.jar;C:\PROGRAM FILES\J2SDK1.4.2\JRE\lib\jce.jar;C:\PROGRAM FILES\J2SDK1.4.2\JRE\lib\charsets.jar;C:\PROGRAM FILES\J2SDK1.4.2\JRE\classes;C:\PROGRAM FILES\J2SDK1.4.2\JRE\lib\ext\dnsns.jar;C:\PROGRAM FILES\J2SDK1.4.2 \JRE\lib\ext\ldapsec.jar;C:\PROGRAM FILES\J2SDK1.4.2 \JRE\lib\ext\sunjce_provider.jar;C:\PROGRAM FILES\J2SDK1.4.2\JRE\lib\ext\localedata.jar Dynamic classpath = C:\PROGRAM FILES\NETBEANS IDE 3.5.1\lib\core- windows.jar;C:\PROGRAM FILES\NETBEANS IDE 3.5.1 \lib\core.jar;C:\PROGRAM FILES\NETBEANS IDE 3.5.1 \lib\openide.jar -------------------------------------------------- -----------------------------" and "*********** Exception occurred ************ at Fri Sep 19 22:27:16 CAT 2003 java.lang.NullPointerException at javax.swing.ToolTipManager.mouseExited (ToolTipManager.java:532) at java.awt.Component.processMouseEvent (Component.java:5106) at java.awt.Component.processEvent (Component.java:4897) at java.awt.Container.processEvent (Container.java:1569) at java.awt.Window.processEvent (Window.java:1092) at java.awt.Component.dispatchEventImpl (Component.java:3615) at java.awt.Container.dispatchEventToSelf (Container.java:1649) at java.awt.LightweightDispatcher.retargetMouseEvent (Container.java:3481) at java.awt.LightweightDispatcher.trackMouseEnterExit (Container.java:3315) at java.awt.LightweightDispatcher.processMouseEvent (Container.java:3180) 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:3477) at java.awt.EventQueue.dispatchEvent (EventQueue.java:456) [catch] at java.awt.EventDispatchThread.pumpOneEventForHierar chy(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForHierarch y(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) *********** Exception occurred ************ at Fri Sep 19 22:27:17 CAT 2003 java.lang.NullPointerException at javax.swing.ToolTipManager.mouseExited (ToolTipManager.java:532) at java.awt.Component.processMouseEvent (Component.java:5106) at java.awt.Component.processEvent (Component.java:4897) at java.awt.Container.processEvent (Container.java:1569) at java.awt.Window.processEvent (Window.java:1092) at java.awt.Component.dispatchEventImpl (Component.java:3615) at java.awt.Container.dispatchEventToSelf (Container.java:1649) at java.awt.LightweightDispatcher.retargetMouseEvent (Container.java:3481) at java.awt.LightweightDispatcher.trackMouseEnterExit (Container.java:3315) at java.awt.LightweightDispatcher.processMouseEvent (Container.java:3180) 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:3477) at java.awt.EventQueue.dispatchEvent (EventQueue.java:456) [catch] at java.awt.EventDispatchThread.pumpOneEventForHierar chy(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForHierarch y(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) [Warning] Saver already registered"
Exception is thrown in swing code. Reassigned to core/windows.
No NB code in exception call stack. It looks like JDK bug. Please search bug database at java.sun.com. If you do not find anything you can file new bug there against JDK. Looks like issue http://developer.java.sun.com/developer/bugParade/bugs/4839066.html
issue doesn't apply to new window system - verified