ArcGIS Rest Services Problem

FlorentinBoda2 — Sat, 05 May 2018 08:25:59 GMT

I have published a Layer Service on a self-created portal. After I have checked the service definition I saw that "Shape__Area" and "Shape__Length" fields are disabled. I am now trying to update feature service definition through the REST Url to enable them from JSON. "https://<myPortalUrl>/server/rest/admin/services/Hosted/<nameOfLayerService>/FeatureServer/1/addToDefinition"

I'm trying to add the following JSON configurations:

"hasGeometryProperties" : true,
"geometryProperties" :
{
"shapeAreaFieldName" : "Shape__Area",
"shapeLengthFieldName" : "Shape__Length"
},

No matter what I try, either updateDefinition or addToDefinition after I hit the button I get:

Error code : 500
Message: "Field 'hasGeometryProperties' cannot be updated."

Why is this happening and how can I solve it ?

By the way, If I try to change other attributes (say for example "name") it works perfectly, but "hasGeometryProperties" is not the only field which is getting this error. Other attributes generate same error.

Thank you in advance !!!

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ArcGIS Rest Services Problem