[JIRA] [core] (JENKINS-25791) User.impersonate throws ClassCastException when using GitHub auth

[h...@wherenow.org (JIRA)]

Hugh Saunders commented on JENKINS-25791 User.impersonate throws ClassCastException when using GitHub auth I have come across a similar issue, using github oauth, this is preventing builds from starting, despite free executors. Nov 27, 2014 10:38:01 AM SEVERE hudson.triggers.SafeTimerTask runTimer task hudson.model.Queue$MaintainTask@33c250dd failed java.lang.ClassCastException: org.acegisecurity.providers.UsernamePasswordAuthenticationToken cannot be cast to org.jenkinsci.plugins.GithubAuthenticationToken at org.jenkinsci.plugins.GithubSecurityRealm.loadUserByUsername(GithubSecurityRealm.java:542) at org.jenkinsci.plugins.GithubSecurityRealm$2.loadUserByUsername(GithubSecurityRealm.java:494) at jenkins.security.ImpersonatingUserDetailsService.loadUserByUsername(ImpersonatingUserDetailsService.java:32) at hudson.model.User.impersonate(User.java:282) at org.jenkinsci.plugins.authorizeproject.strategy.SpecificUsersAuthorizationStrategy.authenticate(SpecificUsersAuthorizationStrategy.java:108) at org.jenkinsci.plugins.authorizeproject.AuthorizeProjectProperty.authenticate(AuthorizeProjectProperty.java:89) at org.jenkinsci.plugins.authorizeproject.ProjectQueueItemAuthenticator.authenticate(ProjectQueueItemAuthenticator.java:73) at hudson.model.Queue$Item.authenticate(Queue.java:1517) at hudson.model.Node.canTake(Node.java:345) at hudson.model.Queue$JobOffer.canTake(Queue.java:269) at hudson.model.Queue.maintain(Queue.java:1041) at hudson.model.Queue$MaintainTask.doRun(Queue.java:2009) at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:54) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)

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