My Oracle Support Banner

Intermittent ORA-25408 and TNS-12535 Errors When no Failover Has Occurred (Doc ID 2112344.1)

Last updated on NOVEMBER 10, 2020

Applies to:

JDBC - Version and later
Information in this document applies to any platform.


On : version, OCI JDBC driver

Intermittently, all application batch jobs running against an Oracle database start failing with the below error, even when no failover has occurred:

ERROR:DATASERVICES JDBCService.restore Error: ORA-25408: can not safely replay call
ERROR:root ORA-25408: can not safely replay call

At the same time, the database alert log file shows the errors:

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: 04-FEB-2016 23:58:16
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=<HOSTNAME>>)(PORT=<PORT1>))





To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.