关于ngnix反向代理，导致系统在登录的时候无法登陆。大家知道是不是配置哪里有问题啊 求大声

#user  nobody;

worker_processes  1;



#error_log  logs/error.log;

#error_log  logs/error.log  notice;

#error_log  logs/error.log  info;



#pid        logs/nginx.pid;





events {

    worker_connections  1024;

}





http {

    include       mime.types;

    default_type  application/octet-stream;



    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

    #                  '$status $body_bytes_sent "$http_referer" '

    #                  '"$http_user_agent" "$http_x_forwarded_for"';



    #access_log  logs/access.log  main;



    sendfile        on;

    #tcp_nopush     on;



    #keepalive_timeout  0;

    keepalive_timeout  65;



    #gzip  on;

	 gzip  on;#启用Gizp压缩

	

	#服务器的集群

    upstream  netitcast.com {  #服务器集群名字	

		server    127.0.0.1:18080  weight=1;#服务器配置   weight是权重的意思，权重越大，分配的概率越大。

		server    127.0.0.1:28080  weight=1;

	}	





    server {

        listen       8080;

        server_name  localhost;



        #charset koi8-r;



        #access_log  logs/host.access.log  main;



       location / {

	        index index.jsp

            proxy_pass http://netitcast.com;

            proxy_redirect off;

        }



        #error_page  404              /404.html;



        # redirect server error pages to the static page /50x.html

        #

        error_page   500 502 503 504  /50x.html;

        location = /50x.html {

            root   html;

        }



        # proxy the PHP scripts to Apache listening on 127.0.0.1:80

        #

        #location ~ \.php$ {

        #    proxy_pass   http://127.0.0.1;

        #}



        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000

        #

        #location ~ \.php$ {

        #    root           html;

        #    fastcgi_pass   127.0.0.1:9000;

        #    fastcgi_index  index.php;

        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;

        #    include        fastcgi_params;

        #}



        # deny access to .htaccess files, if Apache's document root

        # concurs with nginx's one

        #

        #location ~ /\.ht {

        #    deny  all;

        #}

    }





    # another virtual host using mix of IP-, name-, and port-based configuration

    #

    #server {

    #    listen       8000;

    #    listen       somename:8080;

    #    server_name  somename  alias  another.alias;



    #    location / {

    #        root   html;

    #        index  index.html index.htm;

    #    }

    #}





    # HTTPS server

    #

    #server {

    #    listen       443 ssl;

    #    server_name  localhost;



    #    ssl_certificate      cert.pem;

    #    ssl_certificate_key  cert.key;



    #    ssl_session_cache    shared:SSL:1m;

    #    ssl_session_timeout  5m;



    #    ssl_ciphers  HIGH:!aNULL:!MD5;

    #    ssl_prefer_server_ciphers  on;



    #    location / {

    #        root   html;

    #        index  index.html index.htm;

    #    }

    #}



}