UT005023: Exception handling request to ... AbstractMethodError: org.apache.xerces.dom.DeferredDocumentImpl.setXmlStandalone in JBoss EAP 7

Issue

• Our JAXWS Application is logging this error when we try to get the wsdl : http://localhost:8080/helloWorld?wsdl

19:28:45,537 ERROR [io.undertow.request] (default task-1) UT005023: Exception handling request to /helloWorld: java.lang.AbstractMethodError: org.apache.xerces.dom.DeferredDocumentImpl.setXmlStandalone(Z)V
    at org.apache.cxf.frontend.WSDLGetUtils.updateDoc(WSDLGetUtils.java:332)
    at org.apache.cxf.frontend.WSDLGetUtils.writeWSDLDocument(WSDLGetUtils.java:708)
    at org.apache.cxf.frontend.WSDLGetUtils.getDocument(WSDLGetUtils.java:151)
    at org.apache.cxf.frontend.WSDLGetInterceptor.getDocument(WSDLGetInterceptor.java:129)
    at org.apache.cxf.frontend.WSDLGetInterceptor.handleMessage(WSDLGetInterceptor.java:77)
    at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
    at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
    at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:267)
    at org.jboss.wsf.stack.cxf.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:110)
    at org.jboss.wsf.stack.cxf.transport.ServletHelper.callRequestHandler(ServletHelper.java:134)
    at org.jboss.wsf.stack.cxf.CXFServletExt.invoke(CXFServletExt.java:88)
    at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:301)
    at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:225)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:503)
    at org.jboss.wsf.stack.cxf.CXFServletExt.service(CXFServletExt.java:136)
    at org.jboss.wsf.spi.deployment.WSFServlet.service(WSFServlet.java:140)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:590)