After Upgrade, Some Packages Intermittently Fail with ORA-04065 ORA-06508 (Doc ID 370137.1)

Last updated on APRIL 10, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 to 12.1.0.2 [Release 9.2 to 12.1]
Information in this document applies to any platform.
**Checked for relevance on 04-Feb-2016**


Symptoms

After upgrade, errors such as the one below occur intermittently:

ORA-04065: not executed, altered or dropped stored procedure
"<procedure name>"
ORA-06508: PL/SQL: could not find program unit being called:
"<procedure name>"


The procedure name can be a dictionary object (DBMS_OUTPUT, DBMS_UTILITY are common examples) or a user created object.
Another possible symptom is the sudden object invalidation without an obvious cause.

DBA_REGISTRY shows all components as being valid.
The issue is not reproducible because of the intermittent nature of the error.

Changes

Known scenarios when such situations have occurred:

Cause

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