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  1. Jenkins
  2. JENKINS-64850

Build fails due to emailext trying to send mail to "null" user

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      Description

      Our pipeline tries to send an email as a post-action, but due to some failure it breaks the build.
      Stack trace reveals the email-ext plugin somehow tries to process the "null" user (wrong data provided by some other component?) and it fails to do so.

      
      
      [Pipeline] }[Pipeline] // stage[Pipeline] stage[Pipeline] { (Declarative: Post Actions)[Pipeline] emailextrecipientsError when executing always post condition:
       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.plugins.emailext.plugins.recipients.RecipientProviderUtilities.addUsers(RecipientProviderUtilities.java:171)
       at hudson.plugins.emailext.plugins.recipients.RecipientProviderUtilities.addUsers(RecipientProviderUtilities.java:153)
       at hudson.plugins.emailext.plugins.recipients.CulpritsRecipientProvider.addRecipients(CulpritsRecipientProvider.java:60)
       at hudson.plugins.emailext.EmailExtRecipientStep$Executor.run(EmailExtRecipientStep.java:69)
       at hudson.plugins.emailext.EmailExtRecipientStep$Executor.run(EmailExtRecipientStep.java:42)
       at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
       at java.util.concurrent.FutureTask.run(FutureTask.java:266)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
       at java.lang.Thread.run(Thread.java:748)[Pipeline] script[Pipeline] {
      
      

      The relevant part of the pipeline:

                  emailext (
                          attachLog: true,
                          body: '${DEFAULT_CONTENT}',
                          mimeType: 'text/html',
                          replyTo: '${DEFAULT_REPLYTO}',
                          subject: '${DEFAULT_SUBJECT}',
                          to: emailextrecipients([
                                  [$class: 'CulpritsRecipientProvider'],
                                  [$class: 'RequesterRecipientProvider'],
                                  [$class: 'DevelopersRecipientProvider']
                          ]),
                  )
      

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            pistahh Istvan Szekeres added a comment -

            Similar issue resolving the "null" user but by another plugin in JENKINS-64629 .

            Show
            pistahh Istvan Szekeres added a comment - Similar issue resolving the "null" user but by another plugin in JENKINS-64629 .
            Hide
            basil Basil Crow added a comment -

            Hi Istvan Szekeres, thanks for reporting this but I doubt the issue lies in Email Extension. In both this bug and JENKINS-64629, the email plugins are just calling the Jenkins core API jenkins.scm.RunWithSCM#getCulprits to get a set of User objects, then calling the Jenkins core API hudson.model.User#impersonate() to impersonate each user. That API in turn is delegating to the LDAP plugin in your case.

            If this is a change in behavior, it might be caused by fallout from JEP-227. Either way, I doubt I can be of much assistance here. I added the ldap-plugin component and the JEP-227 label to this bug; hopefully that will get the right set of eyes on this.

            Show
            basil Basil Crow added a comment - Hi Istvan Szekeres , thanks for reporting this but I doubt the issue lies in Email Extension. In both this bug and JENKINS-64629 , the email plugins are just calling the Jenkins core API jenkins.scm.RunWithSCM#getCulprits to get a set of User objects, then calling the Jenkins core API hudson.model.User#impersonate() to impersonate each user. That API in turn is delegating to the LDAP plugin in your case. If this is a change in behavior, it might be caused by fallout from JEP-227 . Either way, I doubt I can be of much assistance here. I added the ldap-plugin component and the JEP-227 label to this bug; hopefully that will get the right set of eyes on this.
            Hide
            basil Basil Crow added a comment -

            I looked a little deeper into the LDAP plugin issues and I think this is more likely related to JENKINS-55813 than JEP-227, so I removed the JEP-227 label.

            Show
            basil Basil Crow added a comment - I looked a little deeper into the LDAP plugin issues and I think this is more likely related to JENKINS-55813 than JEP-227, so I removed the JEP-227 label.
            Hide
            basil Basil Crow added a comment -

            Duplicates JENKINS-64629.

            Show
            basil Basil Crow added a comment - Duplicates JENKINS-64629 .
            Hide
            jvz Matt Sicker added a comment -
            Show
            jvz Matt Sicker added a comment - Being addressed in https://github.com/jenkinsci/email-ext-plugin/pull/277

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              Assignee:
              Unassigned Unassigned
              Reporter:
              pistahh Istvan Szekeres
              Votes:
              1 Vote for this issue
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              5 Start watching this issue

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                Updated:
                Resolved: