Jenkins 2.73.2

Disk Usage Plugin 0.28 (latest)

At Jenkins startup in jenkins.log:

SEVERE: Timer task hudson.plugins.disk_usage.BuildDiskUsageCalculationThread@6fa48f99 failed
java.lang.ClassCastException: jenkins.security.ImpersonatingScheduledExecutorService cannot be cast to java.util.concurr
ent.ScheduledThreadPoolExecutor
at hudson.plugins.disk_usage.DiskUsageCalculation.cancel(DiskUsageCalculation.java:82)
at hudson.plugins.disk_usage.BuildDiskUsageCalculationThread.getNewInstance(BuildDiskUsageCalculationThread.java
:98)
at hudson.model.AperiodicWork.doRun(AperiodicWork.java:89)
at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:51)
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$201(ScheduledThreadPoolExecutor.j
ava:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293
)
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)