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Measurement widget does not work on disconnected Environment

YObaidat

When deploying JS API version 4.18 on Winodws/IIS everything works very well expect the measurement tool. When no internet and start using measurement widget it requests a file from https://static.arcgis.com/fonts/arial-unicode-ms-regular/0-255.pbf.

And since no internet is available on the user's machine he is not able to use the widget properly.

I hope someone at esri can provide a solution for this issue.

Thanks,

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Noah Sager

Hi @GregoryBologna, unfortunately, that is a known issue that will be fixed at the next release (4.23). For loading a custom/local font, there is more information here:

https://developers.arcgis.com/javascript/latest/labeling/#featurelayer-csvlayer-and-streamlayer

and here:

https://developers.arcgis.com/javascript/latest/api-reference/esri-config.html#fontsUrl

GregoryBologna

I have the same missing font issue when starting a new measurement in JS 4.22, except I have an Internet connection and I am not specifying a font anywhere in my map code. I have not changed any of the measurement widget implementation since 4.12. It is odd to me that this shows as an error in the browser instead of a warning since the framework is using a fallback. I'm not familiar with loading font for esri JS. Is there a complete example somewhere?

Noah Sager

Hi @YObaidat , my apologies as I did not see the message from 2 weeks ago. Thank you for the video, as I was concerned about the http vs https and different browser behavior. I did some more digging and we are aware of this issue, and we're working on a fix for a future release.

In the meantime, you could try pointing to a local font resource using this property, so it no longer looks online for the font:
https://developers.arcgis.com/javascript/latest/api-reference/esri-config.html#fontsUrl

YObaidat

@Noah-Sager

YObaidat

The app in the snapshots is running on http. The console shows that, when I use measurement widget the API make a request to https://static.arcgis.com/fonts/arial-unicode-ms-regular/0-255.pbf. Also I changed the app to work on https and recorded a video to the issue(video link: https://youtu.be/llS3KPlEwN4) . I want to note here , I tested the app on latest version of Firefox and chrome and the problem appeared in both.

Noah Sager

Is that app running over http or https? What's in the console? What happens with Google Chrome browser?

YObaidat

Hi @Noah-Sager . Exactly the locally hosted API doesn't fallback to a locally hosted font . As you can see in the attached snapshots. I hosted 4.18 API on windows IIS on a local server and when using the measurement widget without internet, the symbology of the measurement graphic on the map appears incomplete.

measurment_widget_distance.PNG

measurment_widget_area.PNG

Jefferson Municipalities.zip

PS_Esri_Portfolio_Forst.pdf

Noah Sager

Hi @YObaidat, there should be a fallback font available for the Measurement widget to use. Is that not happening? What does it mean that the widget cannot be used properly?

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