[JIRA] [core] (JENKINS-27957) NullPointerException in AdvancedQueueSorter

Wed, 15 Apr 2015 06:57:19 -0700

Issue Type: Bug Bug
Assignee: Unassigned
Components: core
Created: 15/Apr/15 1:56 PM
Description:

Hi,

Our Jenkins server seems to get locked at some point in time.
Many Jobs are in starvation, waiting for nodes with certain labels/label combinations.
(i.e. Waiting for next available executor on ...)

The log shows a lot of these entries:

Apr 15, 2015 3:44:25 PM SEVERE hudson.triggers.SafeTimerTask run

Timer task hudson.model.Queue$MaintainTask@5d00189f failed
java.lang.NullPointerException
	at jenkins.advancedqueue.sorter.AdvancedQueueSorter$2.compare(AdvancedQueueSorter.java:99)
	at jenkins.advancedqueue.sorter.AdvancedQueueSorter$2.compare(AdvancedQueueSorter.java:81)
	at java.util.TimSort.countRunAndMakeAscending(TimSort.java:329)
	at java.util.TimSort.sort(TimSort.java:189)
	at java.util.TimSort.sort(TimSort.java:173)
	at java.util.Arrays.sort(Arrays.java:659)
	at java.util.Collections.sort(Collections.java:217)
	at jenkins.advancedqueue.sorter.AdvancedQueueSorter.sortBuildableItems(AdvancedQueueSorter.java:81)
	at hudson.model.Queue.maintain(Queue.java:1135)
	at hudson.model.Queue$MaintainTask.doRun(Queue.java:2197)
	at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:54)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)

Feed
Environment: Jenkins 1.596.2 LTS
Project: Jenkins
Labels: trigger core queue
Priority: Critical Critical
Reporter: Tom Ghyselinck
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