No result defined for action cn.itcast.oa.struts2.action.RoleAction and result input

Struts Problem Report

Struts has detected an unhandled exception:

Messages:
  • No result defined for action cn.itcast.oa.struts2.action.RoleAction and result input
  • Stacktraces

    No result defined for action cn.itcast.oa.struts2.action.RoleAction and result input
        com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:364)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:266)
        com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:252)
        org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
        com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
        com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:122)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
        com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
        com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
        com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:195)
        com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
        com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:179)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
        org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
        org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
        org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:235)
        com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:237)
    
    
    
    
    出现这个错误,有可能是你在页面中重复传递了两个id,如下所示:
    <s:hidden name="id"></s:hidden>
    <s:hidden name="id"></s:hidden>
    

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