Nginx提示400（bad request）错误

Question

nginx作代理，相同的配置可以将请求转发到weblogic的7001端口，但是转发至8080端口报400错误；下面是配置文件和日志文件；即http://188.185.1.191:7001/是可以正常访问，但是http://188.185.1.191:8080无法正常访问，http://188.185.1.189:8080是可以正常访问；nginx安装在188.185.1.191服务器上；

=========================配置文件=========================

server
{
        listen 7001;
    server_name localhost;
    location / {


   #allow 36.0.16.106;
   #deny all;


        proxy_redirect off;
        proxy_set_header Host $host:server_port;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_buffering off;
        proxy_pass http://188.185.1.189:7001/;
}
        access_log logs/7002access.log;  
}


server
        {
        listen 8080;
        server_name localhost;
        location / {
        proxy_redirect off;
        proxy_set_header Host $host:server_port;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;


        #proxy_buffering off;
        proxy_pass http://188.185.1.189:8080/;
        }
        access_log logs/8080access.log;
} 

=======================日志文件============================

188.185.4.82 - - [02/Mar/2016:17:45:43 +0800] "x03" 400 172 "-" "-"
188.185.4.82 - - [02/Mar/2016:19:11:06 +0800] "GET /index.jsp HTTP/1.1" 400 5 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.154 Safari/537.36 LBBROWSER"
188.185.4.82 - - [02/Mar/2016:19:11:09 +0800] "GET /favicon.ico HTTP/1.1" 400 5 "http://188.185.1.191:8080/index.jsp" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.154 Safari/537.36 LBBROWSER"
188.185.4.82 - - [02/Mar/2016:19:11:19 +0800] "GET /index.jsp HTTP/1.1" 400 5 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.154 Safari/537.36 LBBROWSER"
188.185.4.82 - - [02/Mar/2016:19:11:20 +0800] "GET /favicon.ico HTTP/1.1" 400 5 "http://188.185.1.191:8080/index.jsp" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.154 Safari/537.36 LBBROWSER"

Answer 1

引用来自“首席吊炸天”的评论

把 nginx 默认缓冲容量调大试试， large_client_header_buffers 4 32k; 

Answer 2

已经调过了，nginx版本是1.8.1的，日志还是会报400错误

Answer 3

http://188.185.1.189:7001这个是可以正常转发请求并访问的，转发至http://188.185.1.189:8080这个会报400错误

Answer 4

 proxy_pass http://188.185.1.189:7001/;   

改成 

 proxy_pass http://188.185.1.189:7001; 试试 

如果还是有问题，可以把weblogic的访问日志打开