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JDBC 连Sql Server 接数据库--The TCP/IP connection to the host localhost, port 1433 has failed

原文:https://blog.csdn.net/qq_39241986/article/details/80848855

这样的错误,你有遇到过吗?

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JDBC 连Sql Server 接数据库--The TCP/IP connection to the host localhost, port 1433 has failed
com.microsoft.sqlserver.jdbc.SQLServerException: 
The TCP/IP connection to the host localhost, port 1433 has failed. Error: "Connection refused: connect. 
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.".
           
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解决方法:

1.选中此电脑–>右键管理–>计算机管理–>服务和应用程序 

   (1)先查看 

sql server

 服务是否已经开启 

到–>SQL Server 配置管理器–>SQL Server 服务,确保本地

Sql Server

 服务已经开启。 

JDBC 连Sql Server 接数据库--The TCP/IP connection to the host localhost, port 1433 has failed

   (2)再查看 

sql server

 网络配置 

到–>SQL Server 配置管理器–>SQL Server 网络配置,确保

Named Pipes

TCP/IP

 协议为已启用状态。 

JDBC 连Sql Server 接数据库--The TCP/IP connection to the host localhost, port 1433 has failed

2.我们再次运行程序,可能会出现还是连接不成功的现象,继续解决问题: 

   还是看 

sql server

 网络配置 

到–>SQL Server 配置管理器–>SQL Server 网络配置,

Named Pipes

TCP/IP

 协议为已启用状态,选中

TCP/IP

右键–>属性–>IP地址,往下拉滚动条,查看

IPALL

TCP端口

是否为1433,不是,则改为

1433

。 

JDBC 连Sql Server 接数据库--The TCP/IP connection to the host localhost, port 1433 has failed

最后,重启

SQL Server

服务,然后再运行程序,成功,舒服啦 ! 

JDBC 连Sql Server 接数据库--The TCP/IP connection to the host localhost, port 1433 has failed