java.lang.NullPointerException
        at org.netbeans.modules.server.ui.wizard.ServerWizardVisual.isServerValid(ServerWizardVisual.java:155)
        at org.netbeans.modules.server.ui.wizard.ServerWizardVisual.isValid(ServerWizardVisual.java:146)
        at java.awt.Component.invalidateIfValid(Component.java:2711)
        at java.awt.Component.setLocale(Component.java:1780)
        at javax.swing.JComponent.<init>(JComponent.java:599)
        at javax.swing.JPanel.<init>(JPanel.java:82)
        at javax.swing.JPanel.<init>(JPanel.java:109)
        at javax.swing.JPanel.<init>(JPanel.java:117)
        at org.netbeans.modules.server.ui.wizard.ServerWizardVisual.<init>(ServerWizardVisual.java:83)
        at org.netbeans.modules.server.ui.wizard.ServerWizardPanel.getComponent(ServerWizardPanel.java:68)
        at org.netbeans.modules.server.ui.wizard.AddServerInstanceWizard$AddServerInstanceWizardIterator.initialize(AddServerInstanceWizard.java:270)
        at org.openide.WizardDescriptor.callInitialize(WizardDescriptor.java:1326)
        at org.openide.WizardDescriptor.<init>(WizardDescriptor.java:410)
        at org.openide.WizardDescriptor.<init>(WizardDescriptor.java:419)
        at org.netbeans.modules.server.ui.wizard.AddServerInstanceWizard.<init>(AddServerInstanceWizard.java:103)
        at org.netbeans.modules.server.ui.wizard.AddServerInstanceWizard.<init>(AddServerInstanceWizard.java:90)
        at org.netbeans.modules.server.ui.wizard.AddServerInstanceWizard.showAddServerInstanceWizard(AddServerInstanceWizard.java:109)
        at org.netbeans.modules.server.ui.node.AddServerInstanceAction.performAction(AddServerInstanceAction.java:58)
        at org.openide.util.actions.NodeAction$DelegateAction$1.run(NodeAction.java:581)
        at org.netbeans.modules.openide.util.ActionsBridge.doPerformAction(ActionsBridge.java:77)
        at org.openide.util.actions.NodeAction$DelegateAction.actionPerformed(NodeAction.java:577)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2015)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2338)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:404)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1688)
        at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1732)
        at java.awt.Component.processMouseEvent(Component.java:6218)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3293)
        at java.awt.Component.processEvent(Component.java:5983)
        at java.awt.Container.processEvent(Container.java:2046)
        at java.awt.Component.dispatchEventImpl(Component.java:4578)
        at java.awt.Container.dispatchEventImpl(Container.java:2104)
        at java.awt.Component.dispatchEvent(Component.java:4404)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4565)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4228)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4158)
        at java.awt.Container.dispatchEventImpl(Container.java:2090)
        at java.awt.Window.dispatchEventImpl(Window.java:2559)
        at java.awt.Component.dispatchEvent(Component.java:4404)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:605)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:138)