[release/8.0-preview3] Fix exception when app host has no ASPNETCORE_URLS #1971
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If an app host project's launch profile doesn't specify a `launchUrl` or `applicationUrl` then the running app host won't have a `ASPNETCORE_URLS` environment variable. We want to pass this variable's value to the dashboard process, and currently if it's missing we throw. The dashboard executable has a fallback value when the `ASPNETCORE_URLS` variable is not present (of `http://localhost:18888`), so it's perfectly happy to run without this variable. This change causes the app host to fall back to that same default value for the dashboard's `ASPNETCORE_URLS` variable. While we could pass no value at all, and have the dashboard choose the default, it's more helpful to the user if we log the dashboard URL. This allows the user to find the dashboard, as the IDE will not be launching it automatically when in this state.
ghost
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davidfowl
approved these changes
Jan 30, 2024
drewnoakes
approved these changes
Jan 30, 2024
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Backport of #1970 to release/8.0-preview3
/cc @drewnoakes
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IMPORTANT: If this backport is for a servicing release, please verify that:
The PR target branch is
release/X.0-staging, notrelease/X.0.If the change touches code that ships in a NuGet package, you have added the necessary package authoring and gotten it explicitly reviewed.
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