可以查看项目启动时，server的打印的日志信息，
    D:\apache-tomcat-8.5.51\bin\catalina.bat stop
    Using CATALINA_BASE:                                       
    "C:\Users\10437\AppData\Local\JetBrains\IntelliJIdea2021.2\tomcat\32fb6185-f28b-46b9-8b73-a3e80a8cd73f"
    Using CATALINA_HOME:   "D:\apache-tomcat-8.5.51"
    Using CATALINA_TMPDIR: "D:\apache-tomcat-8.5.51\temp"
    Using JRE_HOME:        "D:\javajdk"
    Using CLASSPATH:       "D:\apache-tomcat-8.5.51\bin\bootstrap.jar;D:\apache-tomcat-        
    8.5.51\bin\tomcat-juli.jar"
其中jsp在：Using CATALINA_BASE: 后面的目录下