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DBaaS: TNS-12535 observed during connection when VNics of client and server are in different vnicset (Doc ID 2376601.1)

Last updated on APRIL 09, 2020

Applies to:

Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.


In OCI Classic, the following error was observed from application end in its connection to the database.

Fatal NI connect error 12170.

TNS for Linux: Version - Production
Oracle Bequeath NT Protocol Adapter for Linux: Version - Production
TCP/IP NT Protocol Adapter for Linux: Version - Production
 Time: 22-FEB-2018 09:34:29
 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

Both the application server and Database server were running on OCI-Classic.

There was no access rule between two VMs.

IP network was created for the two services to connect over private IPs.




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