Setting gwt cookie when redirecting to other domain

I have a web application developed using gwt.2.5.1, java. In my application i have a link "Volex page" which will send to the request to the other server(Volex).

supppose if i open my application with "http://localhost:8085/myApp" and can see the "vloex page", once user clicks 

on the 'Volex page' it will be redirected to 'Volex server' like below.

 Window.Location("http://167.23.543.34:8087/VolexSer/volex")

 The above url hits the volex server which needs some inforamtion like session id, for this i have to set the session id in the cookie like below:

        Date cookieDate = new Date();

        cookieDate.setDate(cookieDate.getDate() + 1);

        String baseUrl = "http://localhost:8085/myApp";

        Integer nDomainInitialPosition = baseUrl.indexOf("/");

        Integer nDomainEndPosition = baseUrl.lastIndexOf(":");

        String baseDomain = baseUrl;

       

        if (nDomainInitialPosition == nDomainEndPosition) {

            nDomainEndPosition = baseUrl.indexOf("/");

        }

        baseDomain = baseUrl.substring(nDomainInitialPosition + 2, nDomainEndPosition);

        Window.alert("baseDomain: " + baseDomain);

        String eWebPageUrl = com.google.gwt.user.client.Window.Location.getHref();

        

        if (eWebPageUrl.contains("https://")) {

            Cookies.setCookie("sessionId", getSessionId(), cookieDate, baseDomain, "/", true);

        } else {

            Cookies.setCookie("sessionId", getSessionId(), cookieDate, baseDomain, "/", false);

        }  

Here opening with two domains one is "localhost" other is "167.23.543.34", If i set the cookie like above, it is not showing in the request header. Can any body tell mw what is the wrong in the above code?

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