nginx的GET HTTP/1.1" 500 5

我訪問該網頁沒有問題，但是當我嘗試訪問使用jQuery的鏈接，錯誤500出現

195.16.143.6 - XXXXX [09/Aug/2016：08：54：12 +0000]「GET /XXXX.php HTTP/1.1」500 5「http://XXXXXX/」「Mozilla/5.0（X11; Fedora; Linux x86_64）AppleWebKit/537.36（KHTML，像Gecko ）Chrome/52.0.2743.116 Safari/537.36「

我的conf：

server { 
      ## Escucha en el puerto 80 (HTTP) 
      listen 80; 

      ## Raíz donde se encuentra la página Web 
      root /srv/www/arbol/; 

      ## Orden de prioridad de los archivos index 
      index index.php index.html index.htm; 

      server_name arbol.bichomen.com; 
      access_log /var/log/nginx/arbol.log; 

      try_files $uri $uri/ =404; 
      auth_basic "Restricted"; 
      auth_basic_user_file /etc/nginx/.htpasswd; 

      location/{ 
        ## try_files $uri $uri/ =404; 
      } 

      location ~ \.php$ { 
        root /srv/www/arbol; 
        try_files $uri =404; 
        fastcgi_split_path_info ^(.+\.php)(/.+)$; 
        fastcgi_pass unix:/var/run/php5-fpm/arbol.sock; 
        fastcgi_param PATH_TRANSLATED $document_root$fastcgi_script_name; 
        fastcgi_index index.php; 
        ## fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; 
        include fastcgi_params; 
      } 
    }

來源

2016-08-09 Isaac Palacio