Apache reverse proxy for wss protocol

My application uses SockJS with Spring Framework. I have a reverse proxy on my server to redirect https requests to tomcat container. Configuration :

<VirtualHost *:443>
    ProxyPreserveHost On

    ProxyPass /boot http://127.0.0.1:8080/boot/
    ProxyPassReverse /boot http://127.0.0.1:8080/boot/

        ServerName MY_DOMAIN.com

        SSLEngine on
        SSLProtocol all
        SSLCertificateFile /etc/apache2/ssl/muhamo.crt
        SSLCertificateKeyFile /etc/apache2/ssl/muhamo.key
        SSLCACertificateFile /etc/apache2/ssl/bundl.crt
</VirtualHost>

How can I configure my virtual host to forward wss requests to my application? I get the error messages like :

Opening Web Socket...
sockjs.js:1213 WebSocket connection to 'http://wssMY_DOMAIN.com/boot/tracking/557/jcf7btih/websocket' failed: Error during WebSocket handshake: Unexpected response code: 403

sockjs.js:807 POST https://MY_DOMAIN.com/boot/tracking/557/7cl9qov2/xhr_streaming 403 (Forbidden)

sockjs.js:807 POST https://MY_DOMAIN.com/boot/tracking/557/cvl8ti6k/xhr 403 (Forbidden)