ORA-00600 [kcblsltio_1] for Merge statement (Doc ID 2227432.1)

Last updated on JANUARY 30, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.1.0.2 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

The following error is reported:

ORA-00600: internal error code, arguments: [kcblsltio_1], [471344], [470183032],

The call stack in the incident trace file written by the error contains the following functions:

kcblsltio <- kxhfRead <- kxhfNextSlot <- kxhfIterate <- qerhjIterateOverBuffers <- ksxb1inc <- kxhrPhash

The Current SQL in the incident trace is a merge statement:

MERGE INTO ...

The Explain Plan also shows hash joins:

------------------------------------------------+-----------------------------------+
| Id | Operation | Name | Rows | Bytes | Cost | Time |
------------------------------------------------+-----------------------------------+
| 0 | MERGE STATEMENT | | | | 1821K | |
...
| 3 | HASH JOIN OUTER | | 765K | 179M | 1821K | 09:19:26 |
| 4 | TABLE ACCESS FULL |
...
------------------------------------------------+-----------------------------------+

 

Cause

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