Failed To Find a Valid Digest in the 'Integrity' Attribute
Environment
| Product | UI for Blazor |
Description
I get a Failed to find a valid digest in the 'integrity' attribute for resource ... with computed SHA-256 integrity ... error after upgrading the Telerik.UI.for.Blazor NuGet package and publishing my Blazor WebAssembly app.
Error Message
Failed to find a valid digest in the 'integrity' attribute for resource 'https://.../_framework/Telerik.Recurrence.dll' with computed SHA-256 integrity ... The resource has been blocked.
Unknown error occured while trying to verify integrity.
Error: Failed to start platform. Reason: TypeError: Failed to fetch
Other possible resources that may be referred to in the error:
- Telerik.Documents.SpreadsheetStreaming.dll
- Telerik.DataSource.dll
- Telerik.Zip.dll
- Telerik.Blazor.dll
- Telerik.FontIcons.dll
- Telerik.SvgIcons.dll
Cause
The exception is a general Blazor WebAssembly issue, which can result from the build process, publishing process, or browser cache. The Telerik UI for Blazor components are not related to the problem.
Solution
The fix for the exception can vary, depending on the cause. Here are some online documentation and discussions on the matter, which suggest possible solutions:
- https://learn.microsoft.com/en-us/aspnet/core/blazor/host-and-deploy/webassembly?view=aspnetcore-5.0#resolve-integrity-check-failures
- https://stackoverflow.com/questions/69926878/failed-to-find-a-valid-digest-in-the-integrity-attribute-for-resource-in-blazo
- https://stackoverflow.com/questions/62063983/cant-run-published-blazor-webassembly-app
- https://stackoverflow.com/questions/61562422/wasm-dotnet-integrity-attribute-invalid-for-my-blazor-app-on-github-pages
- https://stackoverflow.com/questions/66063159/random-blazor-failed-to-find-a-valid-digest-in-the-integrity-attribute-for-re