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Area

core

Describe the bug

When testing with Kerberos password based login, I found that an NPE is thrown when the LDAP/Kerberos service is down.

Version

main

Regression

• The issue is a regression

Expected behavior

Check only the messages and the possible root cause

Actual behavior

NPE is thrown

How to Reproduce?

• Configure Kerberos with password based login enabled
• Login with a username and password
• A NPE is thrown when Kerberos is down.

Anything else?

I'll create a PR