org.w3c.dom.DOMException: INVALID_CHARACTER_ERR: An invalid or illegal XML character is specified. 
        at com.sun.org.apache.xerces.internal.dom.CoreDocumentImpl.checkQName(CoreDocumentImpl.java:2571)
        at com.sun.org.apache.xerces.internal.dom.ElementNSImpl.setName(ElementNSImpl.java:117)
        at com.sun.org.apache.xerces.internal.dom.ElementNSImpl.<init>(ElementNSImpl.java:80)
        at com.sun.xml.messaging.saaj.soap.impl.ElementImpl.<init>(ElementImpl.java:131)
        at com.sun.xml.messaging.saaj.soap.impl.ElementFactory.createElement(ElementFactory.java:112)
        at com.sun.xml.messaging.saaj.soap.SOAPDocumentImpl.createElement(SOAPDocumentImpl.java:131)
        at com.sun.xml.messaging.saaj.soap.impl.ElementImpl.createElement(ElementImpl.java:426)
        at com.sun.xml.messaging.saaj.soap.impl.ElementImpl.addElement(ElementImpl.java:407)
        at com.sun.xml.messaging.saaj.soap.impl.ElementImpl.addChildElement(ElementImpl.java:156)
        at org.netbeans.modules.websvc.design.javamodel.Utils.setSoapRequest(Utils.java:514)
        at org.netbeans.modules.websvc.design.javamodel.Utils.populateOperation(Utils.java:430)
        at org.netbeans.modules.websvc.design.javamodel.Utils.access$000(Utils.java:107)
        at org.netbeans.modules.websvc.design.javamodel.Utils$1.run(Utils.java:266)
        at org.netbeans.modules.websvc.design.javamodel.Utils$1.run(Utils.java:274)
        at org.netbeans.api.java.source.JavaSource.runUserActionTaskImpl(JavaSource.java:680)
        at org.netbeans.api.java.source.JavaSource.runUserActionTask(JavaSource.java:607)
        at org.netbeans.modules.websvc.design.javamodel.Utils.populateModel(Utils.java:278)
        at org.netbeans.modules.websvc.design.javamodel.ServiceModel.populateModel(ServiceModel.java:330)
        at org.netbeans.modules.websvc.design.javamodel.ServiceModel.<init>(ServiceModel.java:85)
        at org.netbeans.modules.websvc.design.javamodel.ServiceModel.<init>(ServiceModel.java:61)
        at org.netbeans.modules.websvc.design.javamodel.ServiceModel$AnnotationChangeListener.fileChanged(ServiceModel.java:312)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:136)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:122)
        at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:99)
        at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:915)
        at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:203)
        at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:177)
        at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:122)
        at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:502)
        at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:216)
        at org.openide.text.DataEditorSupport.saveDocument(DataEditorSupport.java:413)
        at org.netbeans.modules.websvc.design.loader.JaxWsDataObject$JaxWsJavaEditorSupport$Environment$SaveSupport.save(JaxWsDataObject.java:276)
        at org.netbeans.core.NbTopManager.saveAll(NbTopManager.java:284)
        at org.netbeans.core.NbTopManager.access$300(NbTopManager.java:91)
        at org.netbeans.core.NbTopManager$NbLifecycleManager.saveAll(NbTopManager.java:438)
        at org.openide.actions.SaveAllAction.performAction(SaveAllAction.java:111)
        at org.openide.util.actions.CallableSystemAction$1.run(CallableSystemAction.java:118)
        at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.actionPerformed(ActionsBridge.java:111)
        at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:104)
        at org.netbeans.modules.openide.actions.ActionsBridgeImpl.invokeAction(ActionsBridgeImpl.java:52)
        at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.doRun(ActionsBridge.java:102)
        at org.netbeans.modules.openide.util.ActionsBridge$1.run(ActionsBridge.java:71)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)