SQL plus error after upgraded database to Oracle 19.14
After Oracle database is upgraded from 12.2 to 19.14 - connected from TOAD OK but getting connection error(01017 error ) from SQL plus Release 10.1.0.4.2 . Any specific SQL plus version Oracle19 is certified with? What is the fix?
in alert log on server:
Fatal NI connect error 12170.
VERSION INFORMATION:
TNS for Linux: Version 19.0.0.0.0 - Production
Oracle Bequeath NT Protocol Adapter for Linux: Version 19.0.0.0.0 - Production
TCP/IP NT Protocol Adapter for Linux: Version 19.0.0.0.0 - Production
Version 19.14.0.0.0
Time: 15-FEB-2022 12:09:42
Tracing not turned on.
Tns error struct:
ns main err code: 12535
TNS-12535: TNS:operation timed out
ns secondary err code: 12606
nt main err code: 0
nt secondary err code: 0