问题描述：
There is no Action mapped for namespace [/] and action name [userAction!add] associated with context path [/MyStruts]
在做动态Action实验时，一直出现这个错误，运行如下图所示：
在网上找了很多解决方法，都不行，最终解决方法：更换jar包，然后运行，结果成功！
之前的jar包，如下图所示：
更换为：
Hermosa_Young
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bozhaowudi：
很有用。棒
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18335864773：
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samland：
实在太详细了，感谢楼主。尽管安装最新的CentOS7+jdk8 ...
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zsw2zkl：
thanks
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There is no Action mapped for namespace [/] and action name [userAction!add]
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在网上找了好个struts2的例子结果都不好使报There is no Action mapped for namespace / and action name这个错，没办法自己搞了个好用的，myeclipse 6.0 +tomcat5.5 + jdk 1.5 引入项目后直接发布就可以了！
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