Public api DefaultCredentialsLoader.LoadFirstValidCredentialsAsync fails when the first credential can't load

[bgavrilMS]

Microsoft.Identity.Web Library

Microsoft.Identity.Web

Microsoft.Identity.Web version

3.10

Description

1. Create a list of CredentialDescription with 2 credentials, e.g. a certificate from a non-existent file and a certificate from string. Ensure the first credential fails.
2. Call the public API DefaultCredentialsLoader.LoadFirstValidCredentialsAsync(list)

Expected: log first credential failure as information, and proceed to use the second credential
Actual: an exception is thrown, from the first credential failure

Reproduction steps

^^

Error message

No response

Id Web logs

No response

Relevant code snippets

LoadFirstValidCredentialsAsync

Regression

No response

Expected behavior

no exception

[jmprieur]

Is it a regression?

[bgavrilMS]

No, I don't think so. It like that from day 1.

[jennyf19]

Are you expecting my team to pick this up?

[bgavrilMS]

Looks like a good first issue for someone from MSAL team to pick this up.