helm/docs/chart_repository_faq.md

Chart Repositories: Frequently Asked Questions

This section tracks some of the more frequently encountered issues with using chart repositories.

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Fetching

Q: Why do I get a unsupported protocol scheme "" error when trying to fetch a chart from my custom repo?

A: (Helm < 2.5.0) This is likely caused by you creating your chart repo index without specifying the --url flag. Try recreating your index.yaml file with a command like helm repo index --url http://my-repo/charts ., and then re-uploading it to your custom charts repo.

This behavior was changed in Helm 2.5.0.