2010-12-21 09:48:39 071 [WARN] Cookie rejected: "$Version=0; U_TRS1=00000047.3aad5d7b.4d100777.d3167fc5; $Path=/; $Domain=.sina.com.cn". Domain attribute ".sina.com.cn" violates RFC 2109: host minus domain may not contain any dots 的解决方法：
加上下面一行：
DefaultHttpParams.getDefaultParams().setParameter("http.protocol.cookie-policy", CookiePolicy.BROWSER_COMPATIBILITY);