ORA-26687 No Instantiation SCN provided

Question

Hi All Guru, i am newbies to stream.
I have try to setup the stream with full database replication.
However the apply process keep aborted on target db with error ORA-26698 No Instantiation SCN provided for "WSYS"."WK$INSTANCE" in source database "primdb".
I have already tried perform instantiation by using :
DECLARE
iscn NUMBER; -- Variable to hold instantiation SCN value
BEGIN
iscn := DBMS_FLASHBACK.GET_SYSTEM_CHANGE_NUMBER();
DBMS_OUTPUT.PUT_LINE ('Instantiation SCN is: ' || iscn);
END;
connect STRMADMIN/STRMADMIN@destination
BEGIN
DBMS_APPLY_ADM.SET_GLOBAL_INSTANTIATION_SCN(
source_database_name => 'primdb',
instantiation_scn => &iscn );
END;
Please advise how to workaround this issue ?
thanks.
Does anyone have any note on how to setup stream for one way replication from source to target (full database replication) ?
Thanks in advance.

Answer 1

It would be helpful to know which version (3 decimal places) you are working with and what variation on Streams you have chosen.
For example under some situations you might want to do this:
conn / as sysdba
set serveroutput on
DECLARE
f_scn NUMBER;
BEGIN
  f_scn := 0;
  dbms_capture_adm.build(:f_scn);
  dbms_output.put_line('The first_scn value is ' || :f_scn);
END;
/