The "OGG capture client successfully detached from GoldenGate capture" message indicates a clean, planned disconnection between the Oracle GoldenGate Extract process and the source database. It is a standard status notification typically caused by a manual stop command or a routine configuration change [1].
Seeing this message alone is not a problem. However, if your replication has stopped unexpectedly, follow this checklist. The capture client may detach briefly and then
If you are monitoring your Oracle GoldenGate (OGG) environment and spot the message "OGG Capture client successfully detached from GoldenGate Capture" in your database alert logs or GoldenGate report files, you might wonder if something has gone wrong. if your replication has stopped unexpectedly
If you see a detach message that you didn’t initiate, you need to check the lines immediately above and below it. The capture client may detach briefly and then
ERROR OGG-00446 Unable to read from capture client.
INFO OGG-00999 OGG capture client successfully detached from GoldenGate capture.
The capture client may detach briefly and then immediately reattach. The log message will appear, followed seconds later by "OGG capture client successfully attached to GoldenGate capture."