I have an application which contains the UI code created as WAR (GWT 
application) and server side code as EAR deployed in two different 
domains(8080,9090) respectively. While communicating from 8080 to 9090 its 
sending a request and even i can see its returning the response 200. But 
the client is throwing some GWT exception *"Permission denied to access 
property 'document'* ".Below image shows the exception thrown in fire bug.

<https://lh3.googleusercontent.com/-mU9CIoE7Ziw/VtfiEYx0RoI/AAAAAAAAABk/3XgbmoXkAk0/s1600/SOP.SPNG.PNG>


Note: i have enabled the CORS in server 9090 see the below code added in 
server side code EAR

    @Override
    public void doFilter(ServletRequest arg0, ServletResponse arg1,
    FilterChain arg2) throws IOException, ServletException {
    
    
    HttpServletRequest request=(HttpServletRequest) arg0;
    
    HttpServletResponse response=(HttpServletResponse) arg1;
    
    response.setHeader("Access-Control-Allow-Origin", 
request.getHeader("Origin"));
    
    arg2.doFilter(request, response);
    }


Is there any think i need to add in GWT client UI to handle this 
exception.Any suggestion ?

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