TNS-12599 Errors In Database Alert Log When Running JDBC Application
(Doc ID 2655395.1)
Last updated on JANUARY 22, 2025
Applies to:
JDBC - Version 11.2.0.4.0 to 12.2.0.0.0 [Release 11.2 to 12c]Information in this document applies to any platform.
Symptoms
After an upgrade of the Database from 11.2 to 12.2, there are numerous TNS-12599 "TNS:cryptographic checksum mismatch" errors.
This is coming from activity from a JDBC Thin application using JDBC Thin 12.1.0.2 drivers and JDK 1.8:
The application seems not to be affected, but the alert log is filled with the above errors every minute.
The listener has no refused connections.
Enterprise Manager is not used.
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |