gistfile1.txt

Mar 31, 2015 9:49:27 AM hudson.triggers.SafeTimerTask run
SEVERE: Timer task hudson.model.Queue$MaintainTask@472d5d2e failed
java.lang.NullPointerException
	at java.util.concurrent.ConcurrentSkipListMap.doGet(ConcurrentSkipListMap.java:778)
	at java.util.concurrent.ConcurrentSkipListMap.get(ConcurrentSkipListMap.java:1546)
	at jenkins.model.Nodes.getNode(Nodes.java:216)
	at jenkins.model.Jenkins.getNode(Jenkins.java:1667)
	at org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution$PlaceholderTask.getLastBuiltOn(ExecutorStepExecution.java:187)
	at hudson.model.queue.MappingWorksheet$WorkChunk.<init>(MappingWorksheet.java:202)
	at hudson.model.queue.MappingWorksheet$WorkChunk.<init>(MappingWorksheet.java:172)
	at hudson.model.queue.MappingWorksheet.<init>(MappingWorksheet.java:390)
	at hudson.model.queue.MappingWorksheet.<init>(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: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)