Last updated on JUNE 13, 2013
Applies to:Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 22.214.171.124
This problem can occur on any platform.
When running a query that uses a context type index an error similar to the following is raised:
ORA-07445: exception encountered: core dump [kkfico()+17] [SIGSEGV] [Address not mapped to object] [0x22]  
The call stack from the trace file shows something like:
... kkfico kkfifkk kkfipd kkfiPatchQbc qkadrv qkadrv qkadrv ...
The current statement includes a CONTAINS() operator on an XMLTYPE column, eg.:select ... from ... where contains(xmldata, '%something%')>0
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