Tomcat X-server

1. x-server2.7  :odcaw2_servlet 

    ref: javax.servlet*;

2. tomcat 9: servlet-api.jar: javax.servlet*

3. tomcat 10: servlet-api.jar: jakarta.servlet*

Correct Env:  Tomcat9 +  X-server2.7 

Comfirm url: http://localhost:8080/oxs/odcaw2_servlet