httpclient cookie 설정.

http://stackoverflow.com/questions/874903/how-can-i-force-javas-httpclient-to-accept-invalid-cookies

HttpClient client = new HttpClient();
client.getParams().setParameter("http.protocol.single-cookie-header", true);
client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);

http://stackoverflow.com/questions/7459279/httpclient-warning-cookie-rejected-illegal-domain-attribute

You can't "fix" it. The site is trying to set a cookie it's not allowed to set and the apache client library you're using is telling you about it.

It's trying to set a cookie for mcore.com when the domain is goklik.co.id