If there is no jsp option in your idea web project 
Also does not recognize jsp
Then I suggest you check whether your idea is a community version
If it is the community version, the problem without jsp cannot be solved, it is just unrecognizable, but the statement can run normally
To solve this problem, it is recommended to change the idea
As for tomcat,
Search smartTomcat in plugins, downloading this plugin allows you to at least start deploying tomcat