ORA-07445: Exception Encountered: Core Dump [qkebTraverseExpr()+46] [SIGSEGV] [ADDR:0x0] [PC:0xCABE6
Last updated on JANUARY 19, 2018
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Information in this document applies to any platform.
1. The alert.log file shows the error:
ORA-07445: exception encountered: core dump [qkebTraverseExpr()+46] [SIGSEGV] [ADDR:0x0] [PC:0xCABE6BE] [Address not mapped to object] 
2. The stack similar to:
qkebTraverseExpr qospVCExpr qospFormStatsExpr qkaApproximateNdv qkainsdl qkainsert qkadrv ...
3. The failing statement is an INSERT, such as:
insert into T1 select ... from T2 ...
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