Error "HTTP protocol error 417 (Expectation failed)" when creating REST connectorArticle Number: 000047855 | Last Modified: 2019/01/17
This happens to POST request only when the connector contains a request body. When request body is empty, then the connection can be created (but no data is returned as this is an invalid request).
Most API sources accept this header as it is a common one. However, some API sources do not, and returns HTTP protocol error 417.
For more information about this header, please refer to:
While waiting for R&D feedback on the bug, a possible work-around would be to work with the API source owner to see if they can configure the system to accept this header in POST requests.
Environment: As of the latest version (Qlik Sense February 2018 - REST Connector 1.3), the bug is still under investigation.
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