On Tuesday, April 15, 2014 at 2:00:37 AM UTC+5:30, solid wrote: > > Hi Guys > > Over the last few weeks I have been getting memory errors with jenkins. It > first starts of as "pending—Waiting for next available executor" when > attempting to execute a new job. I restart the jenkins daemon only to be > confronted with the following error on the web GUI: > > Apr 14, 2014 7:11:36 PM SEVERE hudson.triggers.SafeTimerTask run > > Timer task hudson.model.Queue$MaintainTask@52d9051 failed > java.lang.OutOfMemoryError: unable to create new native thread > at java.lang.Thread.start0(Native Method) > at java.lang.Thread.start(Thread.java:679) > at hudson.model.Executor.start(Executor.java:479) > at hudson.model.Queue$JobOffer.set(Queue.java:250) > at > hudson.model.queue.MappingWorksheet$ExecutorChunk.execute(MappingWorksheet.java:164) > at > hudson.model.queue.MappingWorksheet$ExecutorChunk.access$000(MappingWorksheet.java:112) > at > hudson.model.queue.MappingWorksheet$Mapping.execute(MappingWorksheet.java:313) > at hudson.model.Queue.maintain(Queue.java:1048) > at hudson.model.Queue$MaintainTask.doRun(Queue.java:1992) > at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:54) > at > java.util.concurrent.Executors$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$201(ScheduledThreadPoolExecutor.java:165) > at > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:267) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:701) > > > > The only way jenkins will function as normal is if I reboot the server. > Jenkins will work fine for a number of days and then the problem will > repeat itself. > > I have increased the ulimit for the jenkins user to 8K soft and 16k hard. > I have also increased the MaxPermSize and mx values in > /etc/sysconfig/jenkins file: > > Any guidence on how to resolve this problem would be much appreciated. > > Regards > >
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