httpclient domain must start with a dot

2011-12-14 14:01:10 org.apache.commons.httpclient.HttpMethodBase processRedirectResponse
信息: Redirect requested but followRedirects is disabled
302
2011-12-14 14:01:47 org.apache.commons.httpclient.HttpMethodBase processResponseHeaders
警告: Cookie rejected: "$Version=0; style=0; $Domain=canadapost.ca; $Path=/". Domain attribute "canadapost.ca" violates RFC 2109: domain must start with a dot
2011-12-14 14:01:47 org.apache.commons.httpclient.HttpMethodBase processResponseHeaders
警告: Cookie rejected: "$Version=0; LANG=e; $Domain=canadapost.ca; $Path=/". Domain attribute "canadapost.ca" violates RFC 2109: domain must start with a dot

使用httpclient进行模拟提交时，发现出现这个问题，先是需要重定向，然后重定向了之后就提示这个。

网上资料表示，要设置一下cookie的policy，即

需要给postMethod或者getMethod的参数：http.protocol.cookie-policy设置值，

代码如下：postMethod.getParams().setParameter("http.protocol.cookie-policy",CookiePolicy.BROWSER_COMPATIBILITY);