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Concatenation of Temporary CLOB with VARCHAR2 Crashes with ORA-600[kghubigallasp_04]/ORA-7445[pfrust] in 19c (Doc ID 2619951.1)

Last updated on APRIL 12, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


Concatenation of a temporary CLOB with VARCHAR2 data using PL/SQL operator(||) results in crashing the session with "ORA-03113: end-of-file on communication channel" error. The corresponding trace shows the following call stack.


The code is being run for the first time after upgrading the database to 19c or it is executed on a newly installed 19c database. The same code runs fine without any issue till 18c.


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