Streams Capture Failing With Ora-7445 And Ora-00448 Errors
(Doc ID 565503.1)
Last updated on JUNE 05, 2019
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Information in this document applies to any platform.
You see alert log filling up with these two errors:
Errors in file <ORACLE_HOME>dump/back/SID_cp01_16180.trc:
ORA-07445: exception encountered: core dump [0000000101911D0C] [SIGSEGV] [Address not mapped to object] [0x000000000]  
ORA-00448: normal completion of background process
You also get a trace files which contain following partial call stack trace:
sigacthandler <- knlcFreeCtx <- knlcMain <- knlProcMain
It can lead also to a CORE DUMP file generated.
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