操作cookie的時候遇到了Control character in cookie value, consider BASE64 encoding your value 問題。
經查看發現是中文編碼問題
cookieManager.setCookie("name",issue.getIssueChnName(),"/",999);
改爲
cookieManager.setCookie("name",URLEncoder.encode(issue.getIssueChnName(),"utf-8"),"/",999);
ok