Streams Capture Errors : ORA-07445 [strlen()+20] [SIGSEGV] / ORA-01309: invalid session
(Doc ID 1290428.1)
Last updated on APRIL 09, 2020
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 to 18.104.22.168 [Release 10.2 to 11.2]
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
The Capture process encounters errors :
ORA-07445: exception encountered: core dump [strlen()+20] [SIGSEGV] [Address not mapped to object] [0x000000002]  
ORA-01309: invalid session
Following the above, it is not possible to restart the Capture and it repeatedly fails as above.
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