Error:
: [3147] [] [] [] [] [] [] []
Reason
This error is only telling us that the client and server process communication was terminated due to some "event".
Client / server message exchanges use an Oracle specific protocol (TTC). ORA-3137 is reported if something unexpected is seen that does not conform to the expected protocol. The error can be raised by the client or server side of a connection.
Cause
Oracle database 10g
Oracle ManagedDll 19c
Workaround:
alter system set "_optim_peek_user_binds"=false;
Restart instance and listener services
Solution
Upgrade database to minimum 11g
