Your Oracle database instance status changed , so you need to dismiss some thread# on GoldenGate.
SQL> select INST_ID,thread#,status from gv$thread;
INST_ID THREAD# STATUS
———- ———- ——
1 1 OPEN
1 2 CLOSED
Try to insert ‘THREADOPTIONS PROCESSTHREADS EXCEPT X’ on your GoldenGate PRM file.
Where X means thread# instance want to ‘exclude’.
It may cause data loss.
Maiquel.
Good one, Maiquel!