cxf整合webservice报错

Question

//接口
@WebService
public interface CxfWSserverDemo {
public String getMsg(@WebParam(name="xmlStr") String xmlStr);
}

//实现
@WebService
@Component("cxfWSserverDemo")
public class CxfWSserverDemoImpl implements CxfWSserverDemo {

@Override
public String getMsg(String xmlStr) {
    System.out.println("getMsg...");
    return "cxf服务说 : " + xmlStr;
}

}

异常如下：SEVERE: Servlet.service() for servlet [CXFServlet] in context with path [/cxfWSdemo] threw exception
java.lang.IllegalStateException: getWriter() has already been called for this response
at org.apache.catalina.connector.Response.getOutputStream(Response.java:644)
at org.apache.catalina.connector.ResponseFacade.getOutputStream(ResponseFacade.java:196)
at org.apache.cxf.transport.servlet.servicelist.ServiceListGeneratorServlet.renderStyleSheet(ServiceListGeneratorServlet.java:174)
at org.apache.cxf.transport.servlet.servicelist.ServiceListGeneratorServlet.service(ServiceListGeneratorServlet.java:89)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:164)
at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:131)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:266)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:191)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:624)
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:242)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:722

Answer 1

http://www.cnblogs.com/dbaxyx/p/5882725.html