nginx 配置 错误，求教？

nginx 配置有点问题，不能重启，不知道哪里错

user www www;
worker_processes auto;

error_log /home/wwwlogs/error_nginx.log crit;
pid /var/run/nginx.pid;
worker_rlimit_nofile 51200;

events {
    use epoll;
    worker_connections 51200;
    }

http {
    include mime.types;
    default_type application/octet-stream;
    server_names_hash_bucket_size 128;
    client_header_buffer_size 32k;
    large_client_header_buffers 4 32k;
    client_max_body_size 50m;
    sendfile on;
    tcp_nopush on;
    keepalive_timeout 120;
    server_tokens off;
    tcp_nodelay on;

    fastcgi_connect_timeout 300;
    fastcgi_send_timeout 300;
    fastcgi_read_timeout 300;
    fastcgi_buffer_size 64k;
    fastcgi_buffers 4 64k;
    fastcgi_busy_buffers_size 128k;
    fastcgi_temp_file_write_size 128k;

    #Gzip Compression
    gzip on;
    gzip_buffers 16 8k;
    gzip_comp_level 6;
    gzip_http_version 1.1;
    gzip_min_length 256;
    gzip_proxied any;
    gzip_vary on;
    gzip_types
        text/xml application/xml application/atom+xml application/rss+xml application/xhtml+xml image/svg+xml
        text/javascript application/javascript application/x-javascript
        text/x-json application/json application/x-web-app-manifest+json
        text/css text/plain text/x-component
        font/opentype application/x-font-ttf application/vnd.ms-fontobject
        image/x-icon;
    gzip_disable  "msie6";

    #If you have a lot of static files to serve through Nginx then caching of the files' metadata (not the actual files' contents) can save some latency.
    open_file_cache max=1000 inactive=20s;
    open_file_cache_valid 30s;
    open_file_cache_min_uses 2;
    open_file_cache_errors on;

    server {
    listen 80;
    server_name localhost;
    access_log /home/wwwlogs/access_nginx.log combined;
#    root /home/wwwroot/magento2;
    set $MAGE_ROOT /home/wwwroot/magento2;
    set $MAGE_MODE developer;
    index index.html index.php;





root $MAGE_ROOT/pub;

index index.php;
autoindex off;
charset off;



location /setup {
    root $MAGE_ROOT;
    location ~ ^/setup/index.php {
        fastcgi_pass   fastcgi_backend;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }

    location ~ /setup/(?!pub/). {
        deny all;
    }
}

location /update {
    root $MAGE_ROOT;

    location ~ /update/index.php {
        fastcgi_pass   fastcgi_backend;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }

    # deny everything but index.php
    location ~ /update/(?!pub/). {
        deny all;
    }
}

location / {
    try_files $uri $uri/ /index.php?$args;
}

location /pub {
    location ~ ^/pub/media/(downloadable|customer|import|theme_customization/.*\.xml) {
        deny all;
    }
    alias $MAGE_ROOT/pub;
}

location /static/ {
    if ($MAGE_MODE = "production") {
        expires max;
    }
    location ~* \.(ico|jpg|jpeg|png|gif|svg|js|css|swf|eot|ttf|otf|woff|woff2)$ {
        add_header Cache-Control "public";
        expires +1y;

        if (!-f $request_filename) {
            rewrite ^/static/(version\d*/)?(.*)$ /static.php?resource=$2 last;
        }
    }
    location ~* \.(zip|gz|gzip|bz2|csv|xml)$ {
        add_header Cache-Control "no-store";
        expires    off;

        if (!-f $request_filename) {
           rewrite ^/static/(version\d*/)?(.*)$ /static.php?resource=$2 last;
        }
    }
    if (!-f $request_filename) {
        rewrite ^/static/(version\d*/)?(.*)$ /static.php?resource=$2 last;
    }
}

location /media/ {
    try_files $uri $uri/ /get.php?$args;

    location ~ ^/media/theme_customization/.*\.xml {
        deny all;
    }

    location ~* \.(ico|jpg|jpeg|png|gif|svg|js|css|swf|eot|ttf|otf|woff|woff2)$ {
        add_header Cache-Control "public";
        expires +1y;
        try_files $uri $uri/ /get.php?$args;
    }
    location ~* \.(zip|gz|gzip|bz2|csv|xml)$ {
        add_header Cache-Control "no-store";
        expires    off;
        try_files $uri $uri/ /get.php?$args;
    }
}

location /media/customer/ {
    deny all;
}

location /media/downloadable/ {
    deny all;
}

location /media/import/ {
    deny all;
}

location ~ cron\.php {
    deny all;
}

location ~ (index|get|static|report|404|503)\.php$ {
    try_files $uri =404;
    fastcgi_pass   fastcgi_backend;

    fastcgi_param  PHP_FLAG  "session.auto_start=off \n suhosin.session.cryptua=off";
    fastcgi_param  PHP_VALUE "memory_limit=256M \n max_execution_time=600";
    fastcgi_read_timeout 600s;
    fastcgi_connect_timeout 600s;
    fastcgi_param  MAGE_MODE $MAGE_MODE;

    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
    include        fastcgi_params;
}
    }

#    include vhost/*.conf;
}

---

81行，没有给出fastcgi 的监听端口。你执行一下 nginx -t 就可以看到详细的错误提示了
81行对应的应该是类似 fastcgi_pass 127.0.0.1:9000 这样的