is generally a positive status update rather than an error. It signifies that a "capture client" (typically an process) has cleanly disconnected from the underlying Logmining Server in the database. This usually happens during a controlled shutdown or a planned restart of the Extract process. Review: OGG Capture Client Detachment Status Status Summary: Message Type: Informational / Lifecycle Significance:
-- In GGSCI (if extract is gone or recreated): REGISTER EXTRACT ext_sales, DATABASE; -- Or in SQL: EXEC DBMS_LOGMNR.REMOVE_LOGMNR_SESSION; is generally a positive status update rather than an error
And then, the log spits out the message. -- Or in SQL: EXEC DBMS_LOGMNR.REMOVE_LOGMNR_SESSION