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The hostname could not be parsed
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Hey, i am trying to mgirate from nexus to proget for my chocolatey instance. I have everythign setup and it seems correct, but when i try to request data from the proget instance i get an error 500 on the client side and this in the proget logs:
An error occurred processing a GET request to https://my.domain.org:8625/nuget/ChocolateyInternal/v3/index.json: Invalid URI: The hostname could not be parsed. System.UriFormatException: Invalid URI: The hostname could not be parsed. at System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind, UriCreationOptions& creationOptions) at Inedo.ProGet.Feeds.Feed.GetProGetBaseUrl() at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode) at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor) at System.Lazy`1.CreateValue() at Inedo.ProGet.WebApplication.FeedEndpoints.NuGet.V3.ServiceIndexHandler.WriteIndex(NuGetFeed feed, AhHttpContext context) at Inedo.ProGet.WebApplication.FeedEndpoints.NuGet.V3.ServiceIndexHandler.ProcessRequestAsync(NuGetFeed feed, WebApiContext apiContext, AhHttpContext context, String relativeUrl) at Inedo.ProGet.WebApplication.FeedEndpoints.NuGet.NuGetFeedHandler.ProcessRequestAsync(AhHttpContext context, WebApiContext apiContext, NuGetFeed feed, String relativeUrl) at Inedo.ProGet.WebApplication.FeedEndpoints.FeedEndpointHandler.FeedRequestHandler.ProcessRequestAsync(AhHttpContext context) ::Web Error on 1/15/2026 12:17:23 PM::I have no idea what this error could mean. My https settings look like this:
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This error is occurring while ProGet is trying to generate the "base url". There are a few inputs that go into this:
- Admin > Advanced Settings > Base URL
- X-Forwarded Headers, set by a reverse proxy like ngnix
If any of those have an invalid host name (which is what the error is indicating), then you'll get this error. In most cases, it's a typo in the X-forwarded headers.
Thanks,
Alana
