ORA-600 [kdsgrp1] Generated When Table Contains a LONG
(Doc ID 735435.1)
Last updated on MARCH 28, 2019
Applies to:Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - 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 04-Dec-2017***
A simple select statement fails intermittently with ORA-600 [kdsgrp1]. This error can also be seen when DML is occurring on the table.
An "analyze table <table name> validate structure cascade" does not produce any errors.
The stack trace looks like the following:
kdsgrp <- kdsfbr <- kafept <- opigln <- kpov2lng <- kpofcr <- qertbFetchByRowID
If ORA-600 [KDSGRP1] is raised intermittently, but the index structure is fine, then it's likely you hit this bug.
The error started after a primary key was added to the table.
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