MacOS系统下 IDEA配置并启动Tomcat，网页显示HTTP Status 404 – 未找到

建立基本动态Web项目教程：https://blog.csdn.net/Caramely/article/details/100122321spa 按照网上的教程配置好Tomcat后启动出现404，描述为：The origin server did not find a current representation for the target resource or is not willing

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