[Blazor WebAssembly standalone] Don't cache index.html during development - #59340
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MackinnonBuck
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Dec 5, 2024
| </ItemGroup> | ||
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| <Message Importance="High" Text="Framework asset '%(_MissingFrameworkStaticWebAssetCandidate.Identity)' could not be found and won't be included in the project." /> | ||
| <Message |
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This is unrelated to the main fix - it was logging a message even when _MissingFrameworkStaticWebAssetCandidate was empty.
javiercn
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Dec 5, 2024
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/backport to release/9.0 |
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Started backporting to release/9.0: https://github.com/dotnet/aspnetcore/actions/runs/12188138898 |
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@MackinnonBuck backporting to release/9.0 failed, the patch most likely resulted in conflicts: $ git am --3way --empty=keep --ignore-whitespace --keep-non-patch changes.patch
Applying: Don't cache index.html when running via Dev Sever
Using index info to reconstruct a base tree...
A src/Assets/build/Microsoft.AspNetCore.App.Internal.Assets.targets
M src/Components/WebAssembly/DevServer/src/Server/Startup.cs
M src/Components/WebView/WebView/src/build/Microsoft.AspNetCore.Components.WebView.props
Falling back to patching base and 3-way merge...
Auto-merging src/Components/WebView/WebView/src/build/Microsoft.AspNetCore.Components.WebView.props
CONFLICT (content): Merge conflict in src/Components/WebView/WebView/src/build/Microsoft.AspNetCore.Components.WebView.props
Auto-merging src/Components/WebAssembly/DevServer/src/Server/Startup.cs
CONFLICT (modify/delete): src/Assets/build/Microsoft.AspNetCore.App.Internal.Assets.targets deleted in HEAD and modified in Don't cache index.html when running via Dev Sever. Version Don't cache index.html when running via Dev Sever of src/Assets/build/Microsoft.AspNetCore.App.Internal.Assets.targets left in tree.
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"
Patch failed at 0001 Don't cache index.html when running via Dev Sever
Error: The process '/usr/bin/git' failed with exit code 128Please backport manually! |
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[Blazor WebAssembly standalone] Don't cache
index.htmlduring developmentFixes an issue where the WebAssembly dev server (used during Blazor WebAssembly standalone development) returned
index.htmlwith incorrect caching headers, resulting in hot reload script injection sometimes being bypassed.Description
The fix is to add the
Cache-Control: no-storeheader to the response forindex.htmlwhen running the app via the WebAssembly dev server. This prevents the browser from using a cached response, which bypasses the script injection middleware.Fixes #59276