[JIRA] (JENKINS-44096) ClassCastException: jenkins.security.ImpersonatingScheduledExecutorService cannot be cast to java.util.concurrent.ScheduledThreadPoolExecutor

matthias.keller@ergon.ch (JIRA)

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Aug 8, 2018, 6:14:02 PM8/8/18

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Re: ClassCastException: jenkins.security.ImpersonatingScheduledExecutorService cannot be cast to java.util.concurrent.ScheduledThreadPoolExecutor

Also seeing this with Jenkins 2.121.2 and disk-usage-plugin 0.28

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sakshisood.sood4@gmail.com (JIRA)

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Sep 17, 2018, 10:48:03 AM9/17/18

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sakshi sood commented on

JENKINS-44096

Re: ClassCastException: jenkins.security.ImpersonatingScheduledExecutorService cannot be cast to java.util.concurrent.ScheduledThreadPoolExecutor

Lucie Votypkova I am seeing below error in Jenkins Version 2.138.1 and Disk usage plugin 0.28

SEVERE: Timer task hudson.plugins.disk_usage.WorkspaceDiskUsageCalculationThread@254b1316 failed
java.lang.ClassCastException: jenkins.security.ImpersonatingScheduledExecutorService cannot be cast to java.util.concurrent.Schedul
edThreadPoolExecutor
at hudson.plugins.disk_usage.DiskUsageCalculation.cancel(DiskUsageCalculation.java:82)
at hudson.plugins.disk_usage.WorkspaceDiskUsageCalculationThread.getNewInstance(WorkspaceDiskUsageCalculationThread.java:78
)
at hudson.model.AperiodicWork.doRun(AperiodicWork.java:92)
at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:72)
at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)