TNS-12170 连接超时

本文主要是介绍TNS-12170 连接超时，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

在 sqlnet.log 中错误如下：

Fatal NI connect error 12170.

  VERSION INFORMATION:
        TNS for Linux: Version 10.2.0.1.0 - Production
        Oracle Bequeath NT Protocol Adapter for Linux: Version 10.2.0.1.0 - Production
        TCP/IP NT Protocol Adapter for Linux: Version 10.2.0.1.0 - Production
Time: 29-NOV-2006 19:13:40
Tracing not turned on.
Tns error struct:
  ns main err code: 12535
  TNS-12535: TNS:operation timed out
  ns secondary err code: 12560
  nt main err code: 505
  TNS-00505: Operation timed out
  nt secondary err code: 110
  nt OS err code: 0
Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=219.239.13.3)(PORT=19948))


# oerr tns 12170
12170, 00000, "TNS:Connect timeout occurred"
// *Cause: The server sh

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