java.beans.PropertyVetoException: 
   at org.openide.windows.CloneableOpenSupport$Listener.vetoableChange(CloneableOpenSupport.java:407)
   at org.openide.util.WeakListenerImpl$VetoableChange.vetoableChange(WeakListenerImpl.java:229)
   at java.beans.VetoableChangeSupport.fireVetoableChange(VetoableChangeSupport.java:375)
   at java.beans.VetoableChangeSupport.fireVetoableChange(VetoableChangeSupport.java:271)
   at org.openide.loaders.OpenSupport$Env.fireVetoableChange(OpenSupport.java:345)
   at org.openide.loaders.OpenSupport$Env.vetoableChange(OpenSupport.java:322)
   at java.beans.VetoableChangeSupport.fireVetoableChange(VetoableChangeSupport.java:375)
   at java.beans.VetoableChangeSupport.fireVetoableChange(VetoableChangeSupport.java:271)
   at org.openide.loaders.DataObject.fireVetoableChange(DataObject.java:1074)
   at org.openide.loaders.DataObject.markInvalid0(DataObject.java:250)
   at org.openide.loaders.DataObject.setValid(DataObject.java:242)
   at org.netbeans.modules.maven.jaxws.nodes.JaxWsNode$1.run(JaxWsNode.java:170)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:694)
   at java.awt.EventQueue$3.run(EventQueue.java:692)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)