$ yum install mod_ssl
$ vi /etc/httpd/conf.d/virtual_hosts.conf

NameVirtualHost *:80

        ServerName mysite.com
        SSLProxyEngine On
        RequestHeader set Front-End-Https "On"
        CacheDisable *
        ProxyPass /myapp https://tomcat-host:8443/myapp
        ProxyPassReverse /myapp https://tomcat-host:8443/myapp
        RedirectMatch ^/$ http://mysite.com/myapp