【学习笔记】Tomcat部署项目出现Web app root system property already set to different value异常解决办法

版权声明: https://blog.csdn.net/Caysen/article/details/82591283
异常类型:Web app root system property already set to different value
异常原因:Tomcat部署多个项目后,未在Web项目的中web.xml中设置webAppRootKey值。
解决办法:在每个Web的web.xml中增加如下初始化参数
<context-param>
    <param-name>webAppRootKey</param-name>
    <param-value>root.key(换成自己的key值)</param-value>
</context-param>

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转载自blog.csdn.net/Caysen/article/details/82591283
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