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无法通过Windows10 64位ODBC连接RedHat8上的Informix14.10求助

Informix ODBC连接失败问题排查及解决建议

环境配置信息

Linux端(RedHat 8,Informix 14.10)

  • 服务器IP:192.168.183.129,Windows可正常ping通
  • 主机名:localhost.localdomain
  • DBSERVERNAME:ol_informix1410
  • $INFORMIXDIR/etc/sqlhosts配置:
#dbserver   net_Type Host_Name  Service_Name
ol_informix1410 onsoctcp localhost.localdomain ol_informix1410 
dr_informix1410 drsoctcp localhost.localdomain dr_informix1410 
lo_informix1410 onsoctcp 127.0.0.1 lo_informix1410 
ol_informix1410 onsoctcp 192.168.183.129  ol_informix1410 
  • /etc/hosts内容:
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.183.129   localhost localhost.localdomain localhost4 localhost4.localdomain4
  • Linux services端口配置:
ol_informix1410         10070/tcp                                               
ol_informix1410_json    27017/tcp
  • 本地dbaccess连接正常,会话信息:
DBACCESS:   Query-language  Connection  Database  Table  Session  Exit
Retrieve information about the current DB-Access session.

----------- superstore_demo@ol_informix1410 ------ Press CTRL-W for Help ------

Server
   ol_informix1410
   Dynamic Server
   Connected to host192.168.183.129
   Multi-threaded

Server Capabilities
   NLS
   Distributed
   XA

NLS Capabilities and Attributes
   en_US.819 Collating Sequence
   en_US.819 CType

Windows端(Windows 10)

  • 安装64位IBM INFORMIX ODBC DRIVER,版本4.50.00.18347(文件:ICLIT09B.DLL),日期2021/10/23
  • 配置系统DSN后,测试连接报错:
    **Test connection was not successful. [Informix][Informix ODBC Driver][Informix] System error occurred in network function.**

解决建议

1. 检查防火墙端口开放情况

RedHat 8默认启用firewalld,需确保Informix服务端口10070/tcp对外开放:

# 临时开放端口
firewall-cmd --add-port=10070/tcp --permanent
# 重载防火墙规则
firewall-cmd --reload
# 验证端口是否开放
firewall-cmd --list-ports | grep 10070

2. 修正/etc/hosts配置冲突

当前/etc/hosts中192.168.183.129和127.0.0.1都绑定了localhost.localdomain,会导致Informix服务绑定IP时出现歧义。修改/etc/hosts,给服务器IP配置独立主机名:

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.183.129   informix-server localhost.localdomain localhost4 localhost4.localdomain4

修改后重启Informix服务:

onmode -ky
oninit

3. 调整ODBC DSN配置

确保DSN中以下参数正确:

  • Server Name:填写ol_informix1410
  • Host Name:填写Linux服务器IP192.168.183.129(避免Windows主机名解析问题)
  • Service Name:直接填写10070(跳过services文件解析)
  • Protocol:选择onsoctcp

4. 验证Windows到Linux的端口连通性

在Windows命令行执行以下命令测试端口是否可达:

# 使用PowerShell
Test-NetConnection 192.168.183.129 -Port 10070
# 或telnet(需先启用telnet客户端)
telnet 192.168.183.129 10070

如果不通,说明网络层面存在阻断,需排查防火墙、路由等问题。

5. 检查Informix服务绑定IP

确认Informix服务是否正确绑定到对外IP:

netstat -tulpn | grep 10070

输出应显示服务绑定到0.0.0.0:10070或192.168.183.129:10070,而非仅127.0.0.1。


内容的提问来源于stack exchange,提问作者user5838729

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最近更新时间:2026.07.18 01:58:10