Hi, It seems that the https certificate for https://pkg.jenkins-ci.org site is no longer valid. Could check that ?
Thanks Guillaume Boucherie -- 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/d/optout.