严重: 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)
是因为service自带的jar包与导入的jar包版本冲突！
还有就是建立webservice项目时少选了个http的那个选项！
