SELECT COUNT FAILS DUE TO ORA-07445[QCTCDA+77]
Last updated on NOVEMBER 01, 2017
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
1. Getting the below error in the alert.log:
ORA-07445: exception encountered: core dump [qctcda()+77] [SIGSEGV] [ADDR:0x38] [PC:0xD10D80D] [Address not mapped to object] 
2. The fix for bug 19910254 is already installed, either through interim patch or PSU patch.
3. Main Stack:
qctcda <- qctoaop <- qctcopn <- qctcpqb <- qctcpqbl <- xtydrv <- kkqcttcalo <- kkqctdrvIT
<- apadrv <- opitca ...
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