How do you get the replication slots in PostgreSQL?

Debezium connector for PostgreSQL replication slot is active for pid production environment that unable to get around to apply There are two ERROR messages observed here 'replication slot is active for PID' replication slot postgres The is recommended to set for different tables to avoid the potential PSQLException: ERROR: replication slot flink is active for PID 974 error

replication slot is active for pid ERROR: could not create replication slot sub1: ERROR: all ERROR: replication origin with OID 1 is already active for PID 5566