SQL Using Parallel Execution Plan and Dynamic Sampling Failed with ORA-7445 [KXFXSGETEXTOPN]
(Doc ID 1671077.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.2 to 12.1]
Information in this document applies to any platform.
SQL statement may fail with the below error message:
ORA-07445: exception encountered: core dump [kxfxsGetExtOpn()+787] [ GSEGV] [ADDR:0x8] [PC:0x72CFD33] [Address not mapped to object] 
skdstdst < ksedst < dbkedDefDump < ksedmp < ssexhd < sslsshandler <
sighandler < kxfxsGetExtOpn < kxfxse < kxfxsGetNextMessage < qerpxSlaveFetch
< qerpxFetch < opiexe < kpoal8 < opiodr < kpoodr < upirtrc < kpurcsc <
kpuexec < OCIStmtExecute < kxfxsStmtExecute < kxfxsExecute < kxfxsp < kxfxmai
< kxfprdp < opirip < opidrv < sou2o < opimai_real < ssthrdmain < main
Tha failing SQL has parallel execution plan, which uses dynamic sampling.
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