If the listening application cannot be reached by the Event Relay Server, they are handled based on the HTTP status code returned:
HTTP response |
Description |
---|---|
1xx |
Statuses in the 100 range are not handled by the Event Relay Server. |
2xx |
Statuses in the 200 range are treated as successful. Notifications that receive this response are not sent again by the Event Relay Server. Note:
Statuses in the 200 range that have the retransmit element value set to 1 cause the notification to be resent at the next polling interval. The notification for that document is resent with the latest document information, which may have changed since the initial notification was attempted. |
3xx |
Statuses in the 300 range are not handled by the Event Relay Server. |
4xx |
Statuses in the 400 range indicate that the URL is unreachable. No more notification messages are sent until the URL responds to a ping notification (see <notification>). |
5xx |
Statuses in the 500 range indicate that the URL is unreachable. No more notification messages are sent until the URL responds to a ping notification (see <notification>). |