The TCP/IP connection to the host 127.0.0.1, port 1433 has failed. Error: “Connection timed out: no

Failed to obtain JDBC Connection; nested exception is com.microsoft.sqlserver.jdbc.SQLServerException: The TCP/IP connection to the host 127.0.0.1, port 1433 has failed. Error: "Connection timed out: no further information.. Verify the connection properties. Make sure that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port. Make sure that TCP connections to the port are not blocked by a firewall.".

（1）打开SQL Server 2019配置管理器

（2）将TCP/IP禁用状态改为已启用状态

（3）重启SQL Server（MSSQLSERVER）服务