安装Discuz遇到"数据库连接错误 No such file or directory"的解决方案

在使用CentOS6.5、nginx1.6.0、PHP5.6.3、MySQL5.1.73和Discuz!X3.2进行网站搭建时,遇到数据库连接错误‘Nosuchfileordirectory’的问题。本文通过检查MySQL的UNIXsocket路径、配置PHP连接参数和重启PHP等步骤,成功解决了该问题。

环境如下:

CentOS 6.5

nginx 1.6.0

PHP 5.6.3

MySQL 5.1.73

Discuz! X3.2


安装好nginx PHP MySQL后,开始安装Discuz,在最后一步遇到问题,显示"数据库连接错误 No such file or directory"

多番查找资料后,问题定位到PHP连接数据库出错。

解决方案如下:



1.打开MySQL,执行status,找到UNIX socket一项,记录下其路径,我的是/var/lib/mysql/mysql.sock

2.编写一个PHP文件,代码如下:

<?php 
phpinfo(); 
?> 
运行之,找到Configuration File (php.ini) Path,在此路径目录下打开(没有则新建)php.ini,在文本中添加:

mysql.default_socket = /var/lib/mysql/mysql.sock
mysqli.default_socket = /var/lib/mysql/mysql.sock
pdo_mysql.default_socket = /var/lib/mysql/mysql.sock
保存

3.重启PHP,问题排除



Cannot load Zend OPcache - it was already loaded PHP Warning: PHP Startup: Unable to load dynamic library 'mbstring' (tried: /usr/local/lib/php/extensions/no-debug-non-zts-20230831/mbstring (/usr/local/lib/php/extensions/no-debug-non-zts-20230831/mbstring: cannot open shared object file: No such file or directory), /usr/local/lib/php/extensions/no-debug-non-zts-20230831/mbstring.so (/usr/local/lib/php/extensions/no-debug-non-zts-20230831/mbstring.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: PHP Startup: Unable to load dynamic library 'mbstring' (tried: /usr/local/lib/php/extensions/no-debug-non-zts-20230831/mbstring (/usr/local/lib/php/extensions/no-debug-non-zts-20230831/mbstring: cannot open shared object file: No such file or directory), /usr/local/lib/php/extensions/no-debug-non-zts-20230831/mbstring.so (/usr/local/lib/php/extensions/no-debug-non-zts-20230831/mbstring.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library 'zip' (tried: /usr/local/lib/php/extensions/no-debug-non-zts-20230831/zip (/usr/local/lib/php/extensions/no-debug-non-zts-20230831/zip: cannot open shared object file: No such file or directory), /usr/local/lib/php/extensions/no-debug-non-zts-20230831/zip.so (/usr/local/lib/php/extensions/no-debug-non-zts-20230831/zip.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: PHP Startup: Unable to load dynamic library 'zip' (tried: /usr/local/lib/php/extensions/no-debug-non-zts-20230831/zip (/usr/local/lib/php/extensions/no-debug-non-zts-20230831/zip: cannot open shared object file: No such file or directory), /usr/local/lib/php/extensions/no-debug-non-zts-20230831/zip.so (/usr/local/lib/php/extensions/no-debug-non-zts-20230831/zip.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 error: 'intl' does not exist usage: /usr/local/bin/docker-php-ext-enable [options] module-name [module-name ...] ie: /usr/local/bin/docker-php-ext-enable gd mysqli /usr/local/bin/docker-php-ext-enable pdo pdo_mysql /usr/local/bin/docker-php-ext-enable --ini-name 0-apc.ini apcu apc Possible values for module-name: libphp83_dm.so opcache.so pdo_mysql.so php83_pdo_dm.so sodium.so Some of the above modules are already compiled into PHP; please check the output of "php -i" to see which modules are already loaded.
最新发布
06-05
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