java web开发中，eclipse使用时classes文件夹消失

Question

eclipse默认输出文件夹是build/classes，但在web开发时为了方便改为web-inf/classes,可是这样操作以后，classes文件夹就自动隐藏了，并且在调试的时候并没有生成class文件，tomcat和jdk都配置好了。

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Answer 2

tomcat  clean一下再试试,然后看下你webapps目录下面有没有classes