SQLSTATE [HY000] [2002] php_network_getaddresses：getaddrinfo 失败：不知道这样的主机. (SQL: select * from information_schema.tables where table_schema = lara_ci_cd and table_name = migrations and table_type = 'BASE TABLE') - PHP (1)

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📜 SQLSTATE [HY000] [2002] php_network_getaddresses：getaddrinfo 失败：不知道这样的主机. (SQL: select * from information_schema.tables where table_schema = lara_ci_cd and table_name = migrations and table_type = 'BASE TABLE') - PHP (1)

📅 最后修改于: 2023-12-03 15:35:07.732000 🧑 作者: Mango

SQLSTATE [HY000] [2002] php_network_getaddresses：getaddrinfo 失败：不知道这样的主机. (SQL: select * from information_schema.tables where table_schema = lara_ci_cd and table_name = migrations and table_type = 'BASE TABLE') - PHP

这个错误提示通常是由于连接数据库时出现问题导致的。具体原因可能是：

数据库服务器地址错误
数据库服务器端口号不正确
DNS解析出错，无法找到数据库服务器

解决这个问题的方法主要有以下几种：

检查数据库连接参数是否正确

请确保你的数据库服务器地址、端口号、用户名、密码等连接参数都正确，并且能够成功连接到数据库服务器。

确认数据库服务器是否开启

请确认你的数据库服务器是否已经开启。如果没有开启，请先开启数据库服务器。

确认网络环境是否通畅

请确认你的网络环境是否通畅。如果网络不通畅，可能导致 DNS 解析失败，无法正常连接到数据库服务器。

注意

如果你使用的是本地数据库，请确保你已经正确安装并启动了本地数据库服务器。同时，请检查你的本地数据库服务器端口号是否正确，并且确保你的网络环境可以正常连接到本地数据库服务器。

代码片段

以下是可能导致这个问题的代码片段：

PDOException, SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known, Code: 2002
Stack trace:
#0 PDO->__construct('mysql:host=127.0.0.1;dbname=lara_ci_cd', 'root', '', array(3))
#1 PDOStatement->__construct(PDO, 'select * from information_schema.tables where table_schema = lara_ci_cd and table_name = migrations and table_type = \'BASE TABLE\'')
#2 main()