CXF 2.7.7 on Websphere 8.5.0 is not able to generate WADL.

Following exception occurs while trying to get the WADL out of HelloWorld app deployed on Wehbsphere 8.5.0.

When I tried with CXF 2.7.3, it worked Fine! 2.7.4, 2.7.5, 2.7.6 and 2.7.7 all spits the following exception.

com.ibm.ws.webcontainer.servlet.ServletWrapper service Uncaught service() exception thrown by servlet appServlet: java.lang.NoSuchMethodError: javax/ws/rs/core/Response.getHeaders()Ljavax/ws/rs/core/MultivaluedMap;
at org.apache.cxf.jaxrs.utils.JAXRSUtils.setMessageContentType(JAXRSUtils.java:1587)
at org.apache.cxf.jaxrs.JAXRSInvoker.checkExchangeForResponse(JAXRSInvoker.java:281)
at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:82)
at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:57)
at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:93)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239)
at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:167)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:211)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:575)