Tomcat(catalina) + Apache ??
 

i have tomcat running, and it listens on port 8080, i have apache running and it listens on port 80 and that other one, 443 i think for SSL. Is there a way to get them to work together, so i can do http://localhost/index.jsp rather than http://localhost:8080/index.jsp ?

yes there is..
it took me very long time to set up

there are many documents setting it up

however, you better use exact same version of apache & tomcat that the doc you are looking at is using.
i wasted so many hours trying to use the versions i had had.

there's one doc at apache.org
and you can do googling.

good luck