REST Server mode responses
- Last UpdatedJan 03, 2025
- 1 minute read
- PI System
- PI Connector for UFL 1.3.2.139
- Connectors
The connector's REST endpoint always replies to client's PUT/POST commands with a status and a short description of the operation result. The table below lists the most common statuses:
|
Message |
Status |
Corrective Action |
|---|---|---|
|
Done |
200 OK |
|
|
Forbidden |
403 Forbidden |
Verify the URL address, username and/or password. |
|
Data queue is full |
500 Internal server error |
The REST endpoint is overloaded; re-send the data. |
|
Method not allowed |
405 Method not allowed |
Verify the URL address. |
|
The remote name could not be resolved |
||
|
The operation has timed out |
||
|
Unable to connect to the remote server |
Note: If the endpoint responded with status 500 (and the message Data queue is full), it means that the data has not been accepted by the connector. The recommended approach is to repeat the PUT/POST operation after a short while until the status 200 appears. An example of such logic can be found on GitHub - PI Connector for UFL Samples. To log all the REST acknowledgement messages and statuses, activate the verbose or information logging level on the administration page of the connector.