Nginx + Sprinboot + Swagger出现no response from server错误的解决办法

问题现象
Spring boot + Swagger在本地一切正常。部署到服务器上使用Nginx后，访问http://127.0.0.1:9999/test/swagger-ui.html(Nginx)跳转到http://127.0.0.1:7001/swagger-ui.html，可以正常显示Swagger的首页，点击“Try it out”按钮访问工程包含的接口时，返回no response from server错误。

解决办法
在application.yml中增加Swagger的配制

pom.xml

<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger2</artifactId>
    <version>2.7.0</version>
</dependency>
<dependency>
    <groupId>io.springfox</groupId>
    <artifactId>springfox-swagger-ui</artifactId>
    <version>2.7.0</version>
</dependency>

Nginx配制

#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;
    root /data/;
    server {
        listen       9999;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;


	location /test {
            index  index.html index.htm;
            proxy_redirect          off;  
            proxy_set_header        X-Real-IP       $remote_addr;  
            proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;  
            proxy_set_header        X-Forwarded-Proto  $scheme;
	    proxy_pass http://localhost:7001/;
            proxy_set_header        Host            $host;
	    proxy_set_header        Access-Control-Allow-Origin '*';
        }

	location ~ .*\.(gif|jpg|jpeg|png)$ {
                       expires 24h;
                       root /data/;#指定图片存放路径
                       proxy_store on;
                       proxy_store_access user:rw group:rw all:rw;
                       proxy_temp_path /data/soft/images/;#图片访问路径
                       proxy_redirect off;
                       proxy_set_header Host 127.0.0.1;
                       client_max_body_size 10m;
                       client_body_buffer_size 1280k;
                       proxy_connect_timeout 900;
                       proxy_send_timeout 900;
                       proxy_read_timeout 900;
                       proxy_buffer_size 40k;
                       proxy_buffers 40 320k;
                       proxy_busy_buffers_size 640k;
                       proxy_temp_file_write_size 640k;
                       if ( !-e $request_filename)
                       {
                                 proxy_pass http://localhost:7001;#默认80端口
                       }
         }


        #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;
    #    }
    #}
}

application.yml

springfox:
  documentation:
    swagger:
      v2:
        host: 127.0.0.1:9999/test