嚴重: Servlet /newDemo threw load() exception
java.lang.NoSuchMethodError: org.springframework.beans.factory.xml.XmlBeanDefinitionReader.setValidationMode(I)V
    at org.apache.xbean.spring.context.v2.XBeanXmlBeanDefinitionReader.<init>(XBeanXmlBeanDefinitionReader.java:58)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
    at org.apache.xbean.spring.context.impl.XBeanHelper.createBeanDefinitionReader(XBeanHelper.java:46)
    at org.codehaus.xfire.spring.XFireConfigLoader.getXFireApplicationContext(XFireConfigLoader.java:74)
    at org.codehaus.xfire.spring.XFireConfigLoader.loadContext(XFireConfigLoader.java:41)
    at org.codehaus.xfire.transport.http.XFireConfigurableServlet.loadConfig(XFireConfigurableServlet.java:86)
    at org.codehaus.xfire.transport.http.XFireConfigurableServlet.createXFire(XFireConfigurableServlet.java:54)
    at org.codehaus.xfire.transport.http.XFireServlet.init(XFireServlet.java:45)
    at javax.servlet.GenericServlet.init(GenericServlet.java:212)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1172)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:992)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4058)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4371)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:926)
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:889)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
    at org.apache.catalina.core.StandardService.start(StandardService.java:516)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:585)
    at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)

是因為service自帶的jar包與匯入的jar包版本衝突！

還有就是建立webservice專案時少選了個http的那個選項！