How to take a protected vector tile service offline

Berend Veldkamp

19 Maj 2020 08:15

I'm using a vector tile service that works perfect when in online mode, but apparently needs a token when taken offline (in the Go app).

 

The log shows:

Error in layer Topo RD (vector tiled):

Esri.ArcGISRuntime.Http.ArcGISWebException: Token Required.

 

Is this scenario supported by the Go app?

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  Jeff Siemens

  19 Maj 2020 16:02

  Hi Berend,

   

  Is this an AGOL basemap?

   

  Did you get a sign in prompt?

   

  You will need to sign in with AGOL to download an AGOL basemap for offline.

   

  Jeff

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  Berend Veldkamp

  20 Maj 2020 06:44

  Yes, it's an AGOL basemap (here), but we're using Portal logins in Go.

   

  I did get an extra login prompt a few days ago, but it didn't work then either, although I don't know if it was the same problem. Now, there's no login prompt any more.

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  Jeff Siemens

  20 Maj 2020 15:10

  Can you try using these instructions to take the basemap offline?

   

  https://enterprise.arcgis.com/en/portal/latest/use/take-maps-offline.htm#ESRI_SECTION2_384E9B7E99EC4460810B947DE70FB2DA

   

  Note, I haven't actually tried this myself.

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  Berend Veldkamp

  20 Maj 2020 15:45

  Jeff,

   

  Thanks, I tried the option 'Do not store credentials with service item. Prompt for authentication everytime' but that does not seem to make a difference. Is Go supposed to ask for credentials?

   

  I won't be able to look into this before next week, due to a national holiday, but I'll post my findings here.

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  Jeff Siemens

  20 Maj 2020 15:55

  I think you will have difficulty trying to get an authentication challenge to work given that you are using Portal. We do not normally expect apps to be using both Portal AND AGOL (it's normally one or the other). eg. In order to support logging in with multiple systems, you would need to have the app-id/client-id supplied for both systems. Designer does not support this model. You may be able to get it to work by hand editing the app.json. I suggest you do use the option to store the credentials.

   

  Did you add the new item to the map? Can you see it online in Go?

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  Berend Veldkamp

  27 Maj 2020 11:38

  I tried the instructions in the linked article, and it works if I set the credentials beforehand (in Portal). This could be used as a workaround, but I can't find a way to change the credentials, for instance if the password was modified.

   

  If I select 'Do not store credentials with service item. Prompt for authentication everytime', I'd expect Go to ask for credentials, but that doesn't happen.

   

  It would be a nice addition if Go supported this, because I really thinks using Portal in combination with a basemap from AGOL, is a common use case.

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