nginx+php 配置虚拟主机 no input file 403.10 禁止访问：配置无效 

环境是ubuntu nginx php mysql
如果是正常访问PHP输出是正常的 http://localhost/test/index.php 正常输出
如果是我配置了虚拟主机PHP文件就无法正常输出了 http://www.test.com/index.php 页面就会提示 " no input file specified."
nginx log
2016/04/07 11:33:54 [error] 22384#0: *27 FastCGI sent in stderr: "Unable to open primary script: /www/test/index.php (No such file or directory)" while reading response header from upstream, client: 127.0.0.1, server: www.test.com, request: "GET /index.php HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm.sock:", host: "www.test.com"
nginx vhosts

server {        listen   80; ## listen for ipv4; this line is default and implied       #listen   [::]:80 default ipv6only=on; ## listen for ipv6

         root /www/test/; #你网站所在目录的绝对路径           index index.php index.html index.htm; #目录索引

         # Make site accessible from http://localhost/              server_name  www.test.com; #网站的域名

      location / {                  index index.html index.htm index.php;  #目录索引                  rewrite ^/(.*)$ /index.php/$1 last;  #Rewrite 隐藏index.php        }

 #使nginx支持php      location ~ ^(.+.php)(.)$ {         #fastcgi_pass 127.0.0.1:9000;         fastcgi_pass unix:/var/run/php5-fpm.sock;         fastcgi_index index.php;         fastcgi_split_path_info ^(.+.php)(.)$;         #fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;         include fastcgi_params;

    }  }