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ORA-00600 [kokle_lob2lob13:input mismatch] may occur on query using database link to a different character set database (Doc ID 2063241.1)

Last updated on FEBRUARY 20, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2 to 12.1]
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.


Running a distributed query involving LOB, and if the local and the remote databases have different character sets, next error may be raised:

ORA-00600: internal error code, arguments: [kokle_lob2lob13:input mismatch], [1], [], [], [], [], [], [], [], [], [], []

The trace file may show a current sql indicating the lob access over a database link, e.g.:





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