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DBMS_SQL.EXECUTE CAUSES MEMORY LEAK In 11g - ORA-04030 (koh-kghu sessi,kol vstring) (Doc ID 1543777.1)

Last updated on FEBRUARY 19, 2019

Applies to:

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


DBMS_SQL.EXECUTE leaks "koh-kghu sessi" memory in the "session heap" on some calls.


The leak occurs when DBMS_SQL.EXECUTE returns the exception but only with some conditions and types of variables in l_src_text. For example, if type of var1 is char the problem doesn’t reproduce. This leak is not observed with Oracle10g.




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