how to use Apache mod_proxy to provide access to Tomcat webapp

I have defined a Virtual Host for example.com in Tomcat Host Manager.

I can access http://example.com:8080/Web_Application. However I want to use http://example.com/webapp.

I also want to access http://example.com/ through Apache for serving PHP+HTML. Only for http://example.com/webapp I want Tomcat to serve the Web Application on Port 8080.

Is it possible to hide the port number as well as map a url to a specific web application? What config changes are required to do this?

Yes, this is a standard configuration. You simply use ProxyPass, like this:

ProxyPass /webapp http://localhost:8080/Web_Application
ProxyPassReverse /webapp http://localhost:8080/Web_Application

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