XMLELEMENT ... XMLAGG terminates with an ORA-07445 [qmxtgFreeLob+12]
(Doc ID 1942074.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 to 10.2.0.4 [Release 10.2]
Information in this document applies to any platform.
A large XMLELEMENT...XMLAGG query terminates with an ORA-03113 and generates an intenal error logged in the alert.log:
Errors in file d:\oracle\admin\df\bdump\df_j000_9340.trc:
ORA-07445: exception encountered: core dump [ACCESS_VIOLATION] [qmxtgFreeLob+12] [PC:0x55C9458] [ADDR:0x0] [UNABLE_TO_WRITE] 
Call stack from the trace file is:
qxuag_trusted_eval qxuageag qergsFetch opifch2 opifch
A simple XMLELEMENT...XMLAGG query such as below similarly terminates with the identical error:
SELECT XMLELEMENT ("leverancierExport", (xmlagg (XMLELEMENT ("leverancier")))) FROM dual;
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