Cannot add or update NuGet packages, receiving NuGet V2 feed error

Question

I have recently moved to VS 2019 and now I can not install or update packages through NuGet. I receive the following error -

An error occurred while retrieving package metadata for 'jQuery.3.4.1' from source 'NuGet.org'.
Failed to fetch results from V2 feed at 'https://www.nuget.org/FindPackagesById()?id='jQuery'&semVerLevel=2.0.0' with following message : Response status code does not indicate success: 404 (Not Found).
Response status code does not indicate success: 404 (Not Found).

I have NuGet Package source pointing to --- https://api.nuget.org/v3/index.json

Is there another package source I should be using?

Hi friend, which install/update way do you use when you meet this issue? In cmd.exe, package manager console or Nuget Package Manager UI? — LoLance
– LoLance, Commented Jan 24, 2020 at 5:41

LoLance · Accepted Answer · 2020-01-24 06:03:18Z

23

If you meet this issue in VS IDE:

Go Tools=>Nuget Package Manager=>Package Manager Settings=>Package Source to check if you have other package source whose URL is https://www.nuget.org, if it exists, disable/delete this package source.

If you meet this issue in command line:

You need to specify the source like this: nuget install PackageName -Source https://api.nuget.org/v3/index.json -Version 3.4.1. You may use other install command(dotnet other what), just make sure you specify the correct source in command.

Hope it helps to give a correct direction to resolve the issue :)

answered Jan 24, 2020 at 6:03

LoLance

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2 Comments

Ethel Patrick Over a year ago

thank you -I did have another packet sources with the nuget.org url. Once I removed it, I am able to make updates.

Mark Longmire Over a year ago

To me, this is a bug with the NuGet manager. For my case with EF Tools, the package has the source declared, but the manager is still allowing my alternatice source to be included in the process. So, What's the "All" setting for?

Tom Bogle · Accepted Answer · 2022-01-28 15:10:24Z

5

In VS Package Sources, I had something like http://api.nuget.org I replaced that with https://api.nuget.org/v3/index.json and that fixed it. (Putting the explicit version number on the end did not work.)

answered Jan 28, 2022 at 15:10

Tom Bogle

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1 Comment

Brett Over a year ago

Thanks, Tom. index.json was the missing piece of my puzzle when moving from an old v2 proxy to a new v3. My head is quite sore from banging it on the desk, but it'll heal in time.

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