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1. Invoke Tools | Update center 2. Click on Forte for Java Update center combobox 3. Push proxy configuration button: org.openide.explorer.propertysheet.PropertyDetails$ExceptionHack: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:42) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:28) at java.lang.reflect.Method.invoke(Method.java:313) at org.openide.explorer.propertysheet.DefaultPropertyModel.setValue (DefaultPropertyModel.java:130) at org.openide.explorer.propertysheet.PropertyPanel$Property.setValue (PropertyPanel.java:454) at org.openide.explorer.propertysheet.PropertyDetails.setPropertyValue (PropertyDetails.java:185) at org.openide.explorer.propertysheet.PropertyDisplayer.setPropertyValue (PropertyDisplayer.java:841) at org.openide.explorer.propertysheet.PropertyDisplayer.setAsText (PropertyDisplayer.java:810) at org.openide.explorer.propertysheet.PropertyDisplayer$WriteComponentListener.chan geValue(PropertyDisplayer.java:1109) at org.openide.explorer.propertysheet.PropertyDisplayer$WriteComponentListener.focu sLost(PropertyDisplayer.java:1086) at java.awt.AWTEventMulticaster.focusLost(AWTEventMulticaster.java:171) at java.awt.Component.processFocusEvent(Component.java:4900) at java.awt.Component.processEvent(Component.java:4782) at java.awt.Container.processEvent(Container.java:1383) at java.awt.Component.dispatchEventImpl(Component.java:3501) at java.awt.Container.dispatchEventImpl(Container.java:1440) at java.awt.Component.dispatchEvent(Component.java:3363) at java.awt.KeyboardFocusManager.redispatchEvent (KeyboardFocusManager.java:1658) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions (DefaultKeyboardFocusManager.java:706) at java.awt.DefaultKeyboardFocusManager.dispatchEvent (DefaultKeyboardFocusManager.java:440) at java.awt.Component.dispatchEventImpl(Component.java:3392) at java.awt.Container.dispatchEventImpl(Container.java:1440) at java.awt.Component.dispatchEvent(Component.java:3363) at java.awt.EventQueue.dispatchEvent(EventQueue.java:448) at java.awt.EventDispatchThread.pumpOneEventForHierarchy (EventDispatchThread.java:193) at java.awt.EventDispatchThread.pumpEventsForHierarchy (EventDispatchThread.java:147) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:141) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:133) at java.awt.EventDispatchThread.run(EventDispatchThread.java:101) Caused by: java.lang.NullPointerException at org.openide.ServiceType$Handle.<init>(ServiceType.java:274) at org.netbeans.modules.autoupdate.Settings.setAutoupdateType (Settings.java:115) [catch] ... 30 more
*** This issue has been marked as a duplicate of 13954 ***
I am closing this duplicate...