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java.lang.ClassCastException :io.jenkins.docker.DockerComputer cannot be cast to hudson.slaves.AbstractCloudComputer

See original GitHub issue

HI team

after we upgraded from 1.0.4 to 1.1 now our server keep unsuccessfully provision nodes in infinite loop tried on jenkins ver 2.73.2 and 2.89.1 lts both same issue. Exception appearing in log:

Timer task hudson.slaves.ComputerRetentionWork@528d4c34 failed
java.lang.ClassCastException: io.jenkins.docker.DockerComputer cannot be cast to hudson.slaves.AbstractCloudComputer
	at hudson.slaves.CloudRetentionStrategy.check(CloudRetentionStrategy.java:43)
	at hudson.slaves.ComputerRetentionWork$1.run(ComputerRetentionWork.java:72)
	at hudson.model.Queue._withLock(Queue.java:1373)
	at hudson.model.Queue.withLock(Queue.java:1250)
	at hudson.slaves.ComputerRetentionWork.doRun(ComputerRetentionWork.java:63)
	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.runAndReset(FutureTask.java:308)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
	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)