Jetty Cross Origin Filter

Question

I\'ve configured Jetty\'s cross origin filter, but I continue to get the following error. Does anyone know what is wrong and how to fix it? Below the error message is my ove

Answer 1

I ran into this when doing crossdomain calls to web apps deployed to GAE. You can add an explicit header to your Servlet(s) responses, like:

public void doGet(HttpServletRequest req, HttpServletResponse res) throws IOException 
{
    res.addHeader("Access-Control-Allow-Origin", "*");
    ...
}

and also make sure you have a crossdomain.xml policy file in the root of your WAR, like:

HTH.