ORA-3137: TTC PROTOCOL INTERNAL ERROR:  Application Errors After 12c Upgrade
Last updated on JUNE 27, 2017
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 12.1]
Information in this document applies to any platform.
Running 18.104.22.168, the database reports TTC protocol violation error ORA-3137 upon reading data from wire.
Call stack will contain usual ora-3137 stack :
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