Hi We have seen this issue:
JENKINS-12619 "Failed to test the validity of the user name on all security matrices since upgrade on our Jenkins instance for a long time. We are running Jenkins 1.509.3 (LTS). Does anyone have a solution for this issue please? Best regards David -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
