学步园

java.lang.IllegalArgumentException: Cookie name "root " is a reserved token<br /> javax.servlet.http.Cookie.<init>(Cookie.java:141)<br /> com.fpi.sword.shizhan.web.action.LoginAction.execute(LoginAction.java:83)<br /> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br /> sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)<br /> sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)<br /> java.lang.reflect.Method.invoke(Unknown Source)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:441)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:280)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:243)<br /> com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:165)<br /> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)<br /> org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)<br /> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)<br /> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)<br /> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:89)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:130)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:138)<br /> com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:165)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:179)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)<br /> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)<br /> org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)<br /> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:488)<br /> org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)<br /> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)<br /> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)<br /> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)

出现此问题的原因： 在登录时候利用cookie设置了自动登录功能。假设利用“root” 和密码“123456”可以登陆。但是把用户名改成“root ”(多了一个空格)去登陆，后台忘了利用trim...所以这个时候还是可以登录，在登录的同时

Cookie cookie=new Cookie(username, password);

加入cookie，但是此时username 是 “root ”，貌似cookie中不允许这样的空格....所以报错了。。。