Question JSP pages to run from domain's

[Sailorhost]

Need help.

I'm 3 weeks trying to run jps on my plesk onyx server

MY plesk version is

‪CentOS Linux 7.3.1611 (Core)‬

Produto Plesk Onyx
Versão 17.0.17

My guide is the tutorial

https://support.plesk.com/hc/en-us/articles/213943325


Plesk 12.5 : The first method:
But I did not get it at all
When I run index.jps with a simple 'Hello Word' I get a blank page as a response

Url
http://java.sailorweb.com.br/java/index.jsp

What am I doing wrong.

Please help me