There is no Action mapped for namespace [/] and action name [] associated wi
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使用struts-2.3.24 出现There is no Action mapped for namespace [/user] and action name [user!add] associated with context path错误,原因是
(1)DMI可能导致安全问题
(2)DMI与通配符方法功能有重叠,因此该版本Struts2默认关闭DMI,需要在struts.xml中加一句
<constant name="struts.enable.DynamicMethodInvocation" value="true" />
来打开动态方法调用。动态方法调用官方推荐的做法是,使用通配符的形式。不要使用actionName!methodName的方式。
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