AddToDefinition throws error adding layers to hosted feature service via REST API on Portal 10.7.1

HasheenDeBerry — Fri, 22 Nov 2019 14:24:26 GMT

Greetings,

I have a Portal for ArcGIS that I am trying to add a feature service to using the REST API. So far I've had success creating the service itself. When I try to add layers to it, I get a peculiar error message:

{ "error": { "code": 403, "subcode": 2, "message": "Access to admin resources are not allowed, Signed Request needed for 'AddToDefinition' with table", "details": [] } }

This message appears when I try to use the server admin interface to add the layer definition as well. Attached is the layer definition JSON. I should say that I have used the same definition to create a hosted feature service in ArcGIS Online with success. Does anyone have suggestions on how I can add feature layers to a service using the REST API on Portal? Thanks in advance.

Re: AddToDefinition throws error adding layers to hosted feature service via REST API on Portal 10.7.1

HasheenDeBerry — Fri, 22 Nov 2019 15:36:22 GMT

I did some research on signed requests and my sources suggest that the AddToDefinition endpoint on Portal may require a signature or HMAC hash added to the request header (Signing AWS API Requests - AWS General Reference ). If this is the case, does anyone know the ingredients to calculate this hash for Portal?

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AddToDefinition throws error adding layers to hosted feature service via REST API on Portal 10.7.1

Re: AddToDefinition throws error adding layers to hosted feature service via REST API on Portal 10.7.1