[jira] [Created] (USERGRID-439) Scheduler run failed when system idling

["Jeffrey (JIRA)" <ji...@apache.org>]

Jeffrey  created USERGRID-439:
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             Summary: Scheduler run failed when system idling
                 Key: USERGRID-439
                 URL: https://issues.apache.org/jira/browse/USERGRID-439
             Project: Usergrid
          Issue Type: Story
          Components: Stack
            Reporter: Jeffrey 


This error happens consistently in some clusters when the system is largely idle:

2015-02-27 23:19:40,060 [JobSchedulerService] ERROR org.apache.usergrid.batch.service.JobSchedulerService- Scheduler run failed, error is
org.apache.usergrid.persistence.exceptions.QueueException: Unable to obtain a lock on queue '/jobs' after '5'seconds
	at org.apache.usergrid.mq.cassandra.io.ConsumerTransaction.getResults(ConsumerTransaction.java:206)
	at org.apache.usergrid.mq.cassandra.QueueManagerImpl.getFromQueue(QueueManagerImpl.java:412)
	at org.apache.usergrid.batch.service.SchedulerServiceImpl.getJobs(SchedulerServiceImpl.java:164)
	at org.apache.usergrid.batch.service.JobSchedulerService.runOneIteration(JobSchedulerService.java:111)
	at com.google.common.util.concurrent.AbstractScheduledService$1$1.run(AbstractScheduledService.java:170)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)
	at java.util.concurrent.ScheduledThreadPoolExecutor$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:722)



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