如何消除Console的warn：Could not find property [struts.valueStack]
初次使用struts2每次控制台(console)都会输出一些警告(warn)信息:
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加入log4j.jar包前运行：
2010-11-28 14:47:46 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: Could not find property [struts.actionMapping]
2010-11-28 14:47:46 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: Could not find property [org.apache.catalina.jsp_file]
2010-11-28 14:47:58 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: Could not find property [struts.actionMapping]
2010-11-28 14:47:58 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: Could not find property [struts.valueStack]
-----------调用了ActionSupport.add方法！----------
2010-11-28 14:47:58 com.opensymphony.xwork2.util.logging.commons.CommonsLogger warn
警告: Could not find property [org.apache.catalina.jsp_file]
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这样的非常不便于我们看后台打印，于是在网上搜索了一下：Could not find property [struts.valueStack]
有一些解决方案：关于struts2.x中（警告: Could not find property [struts.valueStack]）的解决方法但是还是没有找到那个log4j.jar包。
然而今天无意中看一个项目时发现了这个log4j.jar包！
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加入log4j.jar包后运行：
-----------调用了ActionSupport.add方法！----------
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那些警告就不见了哦！干净清爽了不多啊!
在下面的附件中可以下载哈！
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