struts2学习笔记——常见报错及解决方法汇总(持续更新)

时间:2023-01-30 08:35:19

操作环境:(1)Tomcat 7.0.72.0

     (2)OS Name: Windows 7

      (3)JVM Version:  1.8.0_25-b18

      (4)eclipse Version: Kepler Service Release 2

     (5)struts2 version:struts2-core-2.5.10.1

1.通配符访问方法,报错404错误找不到页面

  (1)错误原因:struts.xml中缺少<global-allowed-methods>regex:.*</global-allowed-methods>,根据字面理解就是允许以*通配符的方式访问方法

  (2)详细错误:HTTP Status 404 - There is no Action mapped for namespace [/] and action name [] associated with context path [/struts2002].

  (3)报错截图:

struts2学习笔记——常见报错及解决方法汇总(持续更新)

      (4)解决方案:在package标签之间添加<global-allowed-methods>regex:.*</global-allowed-methods>即可

2.编写struts.xml时编译报错

  (1)错误原因:<package></package>中的标签必须按顺序书写,否则会报错

  (2)详细错误:The content of element type "package" must match "(result-types?,interceptors?,default-interceptor-ref?,default-action-ref?,default-class-ref?,global-results?,global-allowed-methods?,global-exception-mappings?,action*)".

  (3)报错截图:struts2学习笔记——常见报错及解决方法汇总(持续更新)

  (4)解决方案:检查顺序是否正确

          result-types
          interceptors
          default-interceptor-ref
          default-action-ref
          default-class-ref
          global-results
          global-exception-mappings
          action*