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via Jenkins JIRA by Jean Detoeuf, 1 year ago
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java.lang.NullPointerException: 	at java.util.concurrent.ConcurrentSkipListMap.comparable(ConcurrentSkipListMap.java:617)	at java.util.concurrent.ConcurrentSkipListMap.doGet(ConcurrentSkipListMap.java:786)	at java.util.concurrent.ConcurrentSkipListMap.get(ConcurrentSkipListMap.java:1640)	at jenkins.model.Nodes.getNode(Nodes.java:216)	at jenkins.model.Jenkins.getNode(Jenkins.java:1667)	at org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution$PlaceholderTask.getLastBuiltOn(ExecutorStepExecution.java:187)	at hudson.model.queue.MappingWorksheet$WorkChunk.(MappingWorksheet.java:202)	at hudson.model.queue.MappingWorksheet$WorkChunk.(MappingWorksheet.java:172)	at hudson.model.queue.MappingWorksheet.(MappingWorksheet.java:390)	at hudson.model.queue.MappingWorksheet.(MappingWorksheet.java:318)	at hudson.model.Queue.maintain(Queue.java:1355)	at hudson.model.Queue$MaintainTask.doRun(Queue.java:2435)	at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:51)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)	at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)	at java.lang.Thread.run(Thread.java:662)