tomcat报错The servlets named [] and [] are both mapped to the url-pattern[/] which is not permitted

今天在移动了类文件之后重新部署项目时出现了此问题，我的解决方法为删除项目下target/classes/下的旧目录，这个目录中有曾经不熟的旧字节码文件，修改目录后会与当前的字节码文件冲突。