Issue with ProxyPass v10.9 and F5 version 11.x

I'm using the proxypass irule on a VS but for the defined datagroup rule, it always gets a response from the default app pool instead of the remote test server (www.google.com).

Below are the logs:

Rule /Common/ProxyPass.irule : VS=/Common/www.myhost.com-https, Host=www.myhost.com, URI=/works/: Found Rule, Client Host=www.myhost.com, Client Path=/works, Server Host=www.google.com, Server Path=/works Rule /Common/ProxyPass.irule : VS=/Common/www.myhost.com-https, Host=www.myhost.com, URI=/works/: New Host=www.google.com, New Path=/works/ Rule /Common/ProxyPass.irule : VS=/Common/www.myhost.com-https, Host=www.myhost.com, URI=/works/: 404 response from /Common/ashurstau-app-pool 10.44.17.66 8180 Rule /Common/ProxyPass.irule : VS=/Common/www.myhost.com-https, Host=www.myhost.com, URI=/works/: Checking Location=, $protocol= Rule /Common/ProxyPass.irule : VS=/Common/www.myhost.com-https, Host=www.myhost.com, URI=/works/: Checking Content-Location=, $protocol= Rule /Common/ProxyPass.irule : VS=/Common/www.myhost.com-https, Host=www.myhost.com, URI=/works/: Checking URI=, $protocol=