JAVA SQLServerException: 通过端口 1433 连接到主机 127.0.0.1 的 TCP/IP 连接失败

 

[2021-01-15 13:20:14.623] ERROR [Druid-ConnectionPool-Create-497208183] DruidDataSource.java:2471 - create connection SQLException, url: jdbc:sqlserver://127.0.0.1:1433;DatabaseName=test, errorCode 0, state 08S01
com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 127.0.0.1 的 TCP/IP 连接失败。错误:“Connection refused: connect。请验证连接属性。确保 SQL Server 的实例正在主机上运行，且在此端口接受 TCP/IP 连接，还要确保防火墙没有阻止到此端口的 TCP 连接。”。
    at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:234)
    at com.microsoft.sqlserver.jdbc.SQLServerException.ConvertConnectExceptionToSQLServerException(SQLServerException.java:285)
    at com.microsoft.sqlserver.jdbc.SocketFinder.findSocket(IOBuffer.java:2434)
    at com.microsoft.sqlserver.jdbc.TDSChannel.open(IOBuffer.java:659)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:2546)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:2216)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectInternal(SQLServerConnection.java:2067)
    at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:1204)
    at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:825)
    at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1558)
    at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1623)
    at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2468)

启用 NamedPipes、TCP/IP，如果不行，重启下 SQL Server 服务