Bug
The error message, "Uncaught TypeError: Failed to execute 'shaderSource' on 'WebGLRenderingContext: parameter 1 is not of type 'WebGLShader'." is returned when forcing the loss of WebGL context with a vector tile layer, and the layer fails to render.
| Bug ID Number | BUG-000148431 |
|---|---|
| Submitted | April 12, 2022 |
| Last Modified | March 21, 2025 |
| Applies to | Portal for ArcGIS |
| Version found | 10.8.1 |
| Operating System | Windows OS |
| Operating System Version | 10.0 64 Bit |
| Status | Will Not Be Addressed |
Additional Information
This issue is not to be addressed. The issue may be caused by an underlying ArcGIS API for JavaScript version 3.x issue which is currently in mature support with no further development. Refer to https://support.esri.com/en-us/products/arcgis-api-for-javascript/life-cycle for more information on the ArcGIS API for JavaScript product life cycle. Migrate to ArcGIS Experience Builder. Refer to https://www.esri.com/arcgis-blog/products/web-appbuilder/announcements/arcgis-web-appbuilder-roadmap-for-retirement/ for more information.Workaround
Use the Mozilla Firefox browser.
Alternatively, follow the workaround for Google Chrome:
- Add two web layers in the bottom of the web map.
- Set the two layers to not visible in the web map.
- In ArcGIS Web AppBuilder, set the two layers to not visible in the Layer List widget and the Legend widget.
Steps to Reproduce
Bug ID: BUG-000148431
Software:
- Portal for ArcGIS
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