19、nginx集成tomcat

#user  nobody;
worker_processes  2;

#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;

#设定负载均衡的服务器列表
upstream localhost {
      server localhost:8989;
      server localhost:8182;
}

    server {
        listen       8181;
        server_name  localhost;

        #charset koi8-r;

        access_log  logs/host.access.log  main;

#对 "/" 启用负载均衡
location / {
            root   html;
            index  index.html index.htm index.aspx;
            proxy_redirect off;
#保留用户真实信息
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#允许客户端请求的最大单个文件字节数
client_max_body_size 10m;
#缓冲区代理缓冲用户端请求的最大字节数，可以理解为先保存到本地再传给用户
            client_body_buffer_size 128k;
#跟后端服务器连接超时时间 发起握手等候响应超时时间
            proxy_connect_timeout 12;
#连接成功后 等待后端服务器响应时间 其实已进入后端的排队之中等候处理
            proxy_read_timeout 90;
#代理请求缓存区 这个缓存区间会保存用户的头信息一共Nginx进行规则处理 一般只要能保存下头信息即可
            proxy_send_timeout 90;
#同上 告诉Nginx保存单个用的几个Buffer最大用多大空间
            proxy_buffer_size 4k;
            proxy_buffers 4 32k;
#如果系统很忙的时候可以申请国内各大的proxy_buffers 官方推荐 *2
            proxy_busy_buffers_size 64k;
#proxy 缓存临时文件的大小
            proxy_temp_file_write_size 64k;
            proxy_next_upstream error timeout invalid_header http_500 http_503 http_404;
            proxy_max_temp_file_size 128m;
            proxy_pass http://localhost;
        }

        #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;
    #    }
    #}

}



nginx如何对url请求的过滤?
参看：http://cxshun.iteye.com/blog/1535188