Since our most recent round of updates, we are seeing the following error at the end of every build, which is causing it to fail:

      ERROR: Build step failed with exception
      org.springframework.security.authentication.DisabledException: The user "null" is administratively disabled.
      	at hudson.security.UserAttributesHelper.checkIfUserEnabled(UserAttributesHelper.java:92)
      	at hudson.security.LDAPSecurityRealm$LDAPUserDetailsService.loadUserByUsername(LDAPSecurityRealm.java:1314)
      	at hudson.security.LDAPSecurityRealm$DelegateLDAPUserDetailsService.loadUserByUsername(LDAPSecurityRealm.java:1227)
      	at jenkins.security.ImpersonatingUserDetailsService2.loadUserByUsername(ImpersonatingUserDetailsService2.java:29)
      	at hudson.model.User.getUserDetailsForImpersonation2(User.java:399)
      	at hudson.model.User.impersonate2(User.java:367)
      	at hudson.model.User.impersonate(User.java:377)
      Caused: org.acegisecurity.DisabledException: org.springframework.security.authentication.DisabledException: The user "null" is administratively disabled.; nested exception is org.springframework.security.authentication.DisabledException: The user "null" is administratively disabled.
      	at org.acegisecurity.DisabledException.fromSpring(DisabledException.java:51)
      	at org.acegisecurity.AuthenticationException.fromSpring(AuthenticationException.java:88)
      	at hudson.model.User.impersonate(User.java:379)
      	at hudson.tasks.MailSender.getUserEmailList(MailSender.java:471)
      	at hudson.tasks.MailSender.createEmptyMail(MailSender.java:394)
      	at hudson.tasks.MailSender.createBackToNormalMail(MailSender.java:211)
      	at hudson.tasks.MailSender.createMail(MailSender.java:196)
      	at hudson.tasks.MailSender.run(MailSender.java:111)
      	at hudson.tasks.Mailer.perform(Mailer.java:176)
      	at hudson.tasks.Mailer.perform(Mailer.java:139)
      	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
      	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:803)
      	at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:752)
      	at hudson.model.Build$BuildExecution.post2(Build.java:177)
      	at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:697)
      	at hudson.model.Run.execute(Run.java:1932)
      	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
      	at hudson.model.ResourceController.execute(ResourceController.java:97)
      	at hudson.model.Executor.run(Executor.java:429)
      Build step 'E-mail Notification' marked build as failure
      Finished: FAILURE
      

      We are using:

      • Jenkins 2.274
      • Mailer Plugin 1.32.1
      • LDAP Plugin 2.2

      Let me know if I can provide any more information or assistance in troubleshooting. Thanks!

          [JENKINS-64629] Build failure due to email notification issue

            jvz Matt Sicker
            l3ender Ross
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              Created:
              Updated: