Authentication Not Supported Error

[Git-Mani]

We are encountering an issue while attempting to pull content changes using JGit. The operation fails with the following error:

Has anyone faced a similar issue? If so, please let me know what the possible cause could be.

[msohn]

You need to set a CredentialsProvider to authenticate using credentials accepted by your server.

[Git-Mani]

@msohn I'm using same for authenticate with username and pat(Token classic)

final PullCommand pullCommand = git.pull();
pullCommand.setCredentialsProvider(new UsernamePasswordCredentialsProvider(config.getUsername(), config.getToken()));
final PullResult pullResult = pullCommand.call();

[msohn]

Do the same credentials work when pulling with C git ?

[Git-Mani]

It doesn't fail every time, but fails unexpectedly.
Use case:
I have 10 files to push to Git. The workflow I use is as follows:

Pick one file.
Take a pull using the credential provider.
Push the file to Git.

This cycle continues for all files, but at times it fails after 3 or 4 cycles. It’s not consistent—sometimes all cycles complete successfully, but eventually, it throws the error: "Authentication not supported."

[msohn]

Don't know. Maybe you suffer from some network issues ?

[tomaswolf]

but at times it fails after 3 or 4 cycles

Perhaps you're hitting a server-side rate limit. See https://docs.gitlab.com/ee/security/rate_limits.html and https://docs.gitlab.com/ee/user/gitlab_com/index.html#gitlabcom-specific-rate-limits .