寻求大家的帮助

nginx version: nginx/1.4.4


nginx配置信息：
server{
        listen 80;
        server_name test.abc.com;
        charset utf-8;


        location / {
        proxy_pass http://localhost:8080;
        proxy_set_header   Host    $host;
        proxy_set_header   X-Real-IP   $remote_addr;
        proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
        }
}




nginx 错误信息：
[error] 2642#0: *95 connect() to [::1]:8080 failed (101: Network is unreachable) while connecting to upstream, client: 218.241.189.210, server: test.rich-chang.com, request: "GET / HTTP/1.1", upstream: "http://[::1]:8080/", host: "test.rich-chang.com"