前两天把网站服务器apt-get upgrade了下，结果导致使用symphony cms框架做的网站都无法连接服务器了，提示
Symphony Database Error
There was a problem whilst attempting to establish a database connection. Please check all connection information is correct. The following error was returned:
0:
但是同服务器wordpress都没问题。
mysql命令行也可以正常使用。
网站的错误日志如下
i://127.0.0.1:9000"
1087 2014/04/11 20:24:18 [error] 2453#0: *1076 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: HTTP_HOST in /srv/www/
bber.im/public_html /index.php on line 6" while reading response header from upstream, client: 109.68.191.26, server:
bber.im, request: "GET / HTTP/1.0", upstream: "fastcg i://127.0.0.1:9000"
1088 2014/04/12 01:11:06 [error] 2453#0: *1147 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: HTTP_HOST in /srv/www/
bber.im/public_html /index.php on line 6" while reading response header from upstream, client: 195.219.251.157, server:
bber.im, request: "HEAD / HTTP/1.0", upstream: "fas tcgi://127.0.0.1:9000"
1089 2014/04/13 08:49:48 [error] 2453#0: *1516 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: HTTP_HOST in /srv/www/
bber.im/public_html /index.php on line 6" while reading response header from upstream, client: 54.204.44.212, server:
bber.im, request: "HEAD / HTTP/1.0", upstream: "fastc gi://127.0.0.1:9000"
1090 2014/04/13 10:22:13 [error] 2453#0: *1540 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: HTTP_HOST in /srv/www/
bber.im/public_html /index.php on line 6" while reading response header from upstream, client: 54.81.231.82, server:
bber.im, request: "HEAD / HTTP/1.0", upstream: "fastcg i://127.0.0.1:9000"
1091 2014/04/14 04:25:57 [error] 2453#0: *2606 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: HTTP_HOST in /srv/www/
bber.im/public_html /index.php on line 6" while reading response header from upstream, client: 61.168.11.40, server:
bber.im, request: "HEAD / HTTP/1.0", upstream: "fastcg i://127.0.0.1:9000"
1092 2014/04/14 05:06:02 [error] 2453#0: *2618 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: HTTP_HOST in /srv/www/
bber.im/public_html /index.php on line 6" while reading response header from upstream, client: 66.85.140.110, server:
bber.im, request: "GET / HTTP/1.0", upstream: "fastcg i://127.0.0.1:9000"
1093 2014/04/14 09:57:57 [error] 2453#0: *2704 FastCGI sent in stderr: "PHP message: PHP Notice: Undefined index: HTTP_HOST in /srv/www/
bber.im/public_html /index.php on line 6" while reading response header from upstream, client: 66.85.144.237, server:
bber.im, request: "GET / HTTP/1.0", upstream: "fastcg i://127.0.0.1:9000"
/var/log/mysql/error.log的错误日志如下
60 2014-04-14 13:43:33 18457 [Note] Plugin 'FEDERATED' is disabled.
61 2014-04-14 13:43:33 18457 [ERROR] Function 'innodb' already exists
62 2014-04-14 13:43:33 18457 [Warning] Couldn't load plugin named 'innodb' with soname '
ha_innodb.so'.
63 2014-04-14 13:43:33 18457 [ERROR] Function 'federated' already exists
64 2014-04-14 13:43:33 18457 [Warning] Couldn't load plugin named 'federated' with soname '
ha_federated.so'.
65 2014-04-14 13:43:33 18457 [ERROR] Function 'blackhole' already exists
66 2014-04-14 13:43:33 18457 [Warning] Couldn't load plugin named 'blackhole' with soname '
ha_blackhole.so'.
67 2014-04-14 13:43:33 18457 [ERROR] Function 'archive' already exists
68 2014-04-14 13:43:33 18457 [Warning] Couldn't load plugin named 'archive' with soname '
ha_archive.so'.
69 2014-04-14 13:43:33 18457 [Note] InnoDB: Using atomics to ref count buffer pool pages
70 2014-04-14 13:43:33 18457 [Note] InnoDB: The InnoDB memory heap is disabled
71 2014-04-14 13:43:33 18457 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
72 2014-04-14 13:43:33 18457 [Note] InnoDB: Compressed tables use zlib 1.2.7
73 2014-04-14 13:43:33 18457 [Note] InnoDB: Using Linux native AIO
74 2014-04-14 13:43:33 18457 [Note] InnoDB: Not using CPU crc32 instructions
75 2014-04-14 13:43:33 18457 [Note] InnoDB: Initializing buffer pool, size = 128.0M
76 2014-04-14 13:43:33 18457 [Note] InnoDB: Completed initialization of buffer pool
77 2014-04-14 13:43:33 18457 [Note] InnoDB: Highest supported file format is Barracuda.
78 2014-04-14 13:43:33 18457 [Note] InnoDB: 128 rollback segment(s) are active.
79 2014-04-14 13:43:33 18457 [Note] InnoDB: Waiting for purge to start
80 2014-04-14 13:43:33 18457 [Note] InnoDB: 5.6.17 started; log sequence number 1677893
81 2014-04-14 13:43:33 18457 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306
82 2014-04-14 13:43:33 18457 [Note] - '127.0.0.1' resolves to '127.0.0.1';
83 2014-04-14 13:43:33 18457 [Note] Server socket created on IP: '127.0.0.1'.
84 2014-04-14 13:43:33 18457 [Note] Event Scheduler: Loaded 0 events
85 2014-04-14 13:43:33 18457 [Note] /usr/sbin/mysqld: ready for connections.
86 Version: '5.6.17-1~dotdeb.1' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Debian)