sql-server – 无法连接：Adaptive Server不可用或不存在

$tsql -S localhost -U myuser

我有错误,像：

locale is "en_US.UTF-8"
locale charset is "UTF-8"
using default charset "UTF-8"
Error 20009 (severity 9):
    Unable to connect: Adaptive Server is unavailable or does not exist
    OS error 61,"Connection refused"
There was a problem connecting to the server

$tsql -C的输出如下：

Compile-time settings (established with the "configure" script)
                        Version: freetds v0.91
         freetds.conf directory: /usr/local/freetds/conf/freetds
 MS db-lib source compatibility: no
    Sybase binary compatibility: no
                  Thread safety: yes
                  iconv library: no
                    TDS version: 5.0
                          iODBC: no
                       unixodbc: no
          SSPI "trusted" logins: no
                       Kerberos: no

我为远程服务器创建了隧道,如：

$ssh -L 1433:db_server:1433 user@mid_server

这将本地端口1433转发到db_server.我测试了我的ssh隧道工作,因为我可以连接到数据库使用Navicat(localhost在1433).我可以在1433端口telnet localhost.

解决方法

从

[global]
    # TDS protocol version
;   tds version = 4.2

至

[global]
    # TDS protocol version
tds version = 7.0

（编辑：李大同）

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