OCI Fails With ORA-12153: TNS: Not Connected After Migrating to Linux
(Doc ID 1420127.1)
Last updated on MARCH 01, 2019
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
***Checked for relevance on 12-Dec-2013***
The application is written to the OCI 7 API rather than the newer version of OCI8.
Oracle's documentation states that while the OCI 7 functions are obsolete, they are still available and supported in the latest version of the database.
The application started failing after migrating to Linux RHEL 6 from the HP machine.
The application worked fine for years on HP.
When testing, no core files are produced but ultimately the failure was related to the ofetch OCI function call.
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