java.lang.NullPointerException
        at org.netbeans.modules.xml.wsdl.model.spi.WSDLComponentBase.populateChildren(WSDLComponentBase.java:62)
        at org.netbeans.modules.xml.xam.AbstractComponent._getChildren(AbstractComponent.java:130)
        at org.netbeans.modules.xml.xam.AbstractComponent.getChildren(AbstractComponent.java:114)
        at org.netbeans.modules.xml.wsdl.ui.view.treeeditor.WSDLElementNode.cleanupPrefixes(WSDLElementNode.java:543)
        at org.netbeans.modules.xml.wsdl.ui.view.treeeditor.WSDLElementNode.cleanupPrefixes(WSDLElementNode.java:544)
        at org.netbeans.modules.xml.wsdl.ui.view.treeeditor.WSDLElementNode.cleanupPrefixes(WSDLElementNode.java:544)
        at org.netbeans.modules.xml.wsdl.ui.view.treeeditor.WSDLElementNode.cleanupPrefixes(WSDLElementNode.java:544)
        at org.netbeans.modules.xml.wsdl.ui.view.treeeditor.WSDLElementNode.propertyChange(WSDLElementNode.java:503)
        at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:164)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:339)
        at org.netbeans.modules.xml.xam.AbstractModel$Transaction.fireCompleteEventSet(AbstractModel.java:449)
        at org.netbeans.modules.xml.xam.AbstractModel$Transaction.fireEvents(AbstractModel.java:435)
        at org.netbeans.modules.xml.xam.AbstractModel.endTransaction(AbstractModel.java:299)
        at org.netbeans.modules.xml.xam.AbstractModel.endTransaction(AbstractModel.java:291)
        at org.netbeans.modules.websvc.wsitconf.wsdlmodelext.SecurityPolicyModelHelper.setSecurityBindingType(SecurityPolicyModelHelper.java:1002)
        at org.netbeans.modules.websvc.wsitconf.wsdlmodelext.SecurityPolicyModelHelper.disableSecurity(SecurityPolicyModelHelper.java:111)
        at org.netbeans.modules.websvc.wsitconf.ui.service.ServicePanel.setValue(ServicePanel.java:295)
        at org.netbeans.modules.xml.multiview.ui.SectionInnerPanel$CheckBoxActionListener.doSetValue(SectionInnerPanel.java:599)
        at org.netbeans.modules.xml.multiview.ui.SectionInnerPanel$FlushActionListener.actionPerformed(SectionInnerPanel.java:557)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.JToggleButton$ToggleButtonModel.setPressed(JToggleButton.java:291)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
        at java.awt.Component.processMouseEvent(Component.java:6038)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)
        at java.awt.Component.processEvent(Component.java:5803)
        at java.awt.Container.processEvent(Container.java:2058)
        at java.awt.Component.dispatchEventImpl(Component.java:4410)
        at java.awt.Container.dispatchEventImpl(Container.java:2116)
        at java.awt.Component.dispatchEvent(Component.java:4240)
        at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322)
        at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3986)
        at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916)
        at java.awt.Container.dispatchEventImpl(Container.java:2102)
        at java.awt.Window.dispatchEventImpl(Window.java:2429)
        at java.awt.Component.dispatchEvent(Component.java:4240)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:177)
        at java.awt.Dialog$1.run(Dialog.java:1039)
        at java.awt.Dialog$3.run(Dialog.java:1091)
        at java.security.AccessController.doPrivileged(AccessController.java:0)
        at java.awt.Dialog.show(Dialog.java:1089)
        at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:812)
        at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:846)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:834)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:82)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:1201)
        at org.openide.util.Mutex.readAccess(Mutex.java:220)
        at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:819)
        at java.awt.Component.show(Component.java:1419)
        at java.awt.Component.setVisible(Component.java:1372)
        at java.awt.Window.setVisible(Window.java:801)
        at java.awt.Dialog.setVisible(Dialog.java:979)
        at org.netbeans.modules.websvc.core.wseditor.support.EditWSAttributesCookieImpl$1.run(EditWSAttributesCookieImpl.java:81)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)