不使用proxy时运行十分稳定,一旦在Connection对象中设置proxy后就报错:connect time out。请求各位大神指导一二 主方法: public class ProxyIpUtilTest { public static void main(String[] args) { int code = ProxyIpUtil.checkProxy(new Proxy(Proxy.Type.HTTP, new InetSocketAddress("180.118.134.123", 9000)), "http://www....