<action-mappings>
<action path="/login" className="struts.LoginAction" name="loginForm"
input="index.jsp" validate="false">
<forward name="ok" path="/ok.jsp"></forward>
</action>
</action-mappings>
应该改为
<action-mappings>
<action path="/login" type="struts.LoginAction" name="loginForm"
input="index.jsp" validate="false">
<forward name="ok" path="/ok.jsp"></forward>
</action>
</action-mappings>
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