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Bug
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Resolution: Not A Defect
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Blocker
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None
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jenkinss 1.580.1
Red Hat Enterprise Linux Server release 6.5 (Santiago)
Linux Jenkins 2.6.32-431.29.2.el6.x86_64 #1 SMP Sun Jul 27 15:55:46 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux
running jenkins in tomcat 6 (tomcat6-6.0.24-78.el6_5)
running with java 1.7
java -version
java version "1.7.0"
Java(TM) SE Runtime Environment (build pxa6470sr7fp1-20140708_01(SR7 FP1))
IBM J9 VM (build 2.6, JRE 1.7.0 Linux amd64-64 Compressed References 20140627_204598 (JIT enabled, AOT enabled)
J9VM - R26_Java726_SR7_20140627_0924_B204598
JIT - r11.b06_20140409_61252.04
GC - R26_Java726_SR7_20140627_0924_B204598_CMPRSS
J9CL - 20140627_204598)
JCL - 20140707_01 based on Oracle 7u65-b16
jenkinss 1.580.1 Red Hat Enterprise Linux Server release 6.5 (Santiago) Linux Jenkins 2.6.32-431.29.2.el6.x86_64 #1 SMP Sun Jul 27 15:55:46 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux running jenkins in tomcat 6 (tomcat6-6.0.24-78.el6_5) running with java 1.7 java -version java version "1.7.0" Java(TM) SE Runtime Environment (build pxa6470sr7fp1-20140708_01(SR7 FP1)) IBM J9 VM (build 2.6, JRE 1.7.0 Linux amd64-64 Compressed References 20140627_204598 (JIT enabled, AOT enabled) J9VM - R26_Java726_SR7_20140627_0924_B204598 JIT - r11.b06_20140409_61252.04 GC - R26_Java726_SR7_20140627_0924_B204598_CMPRSS J9CL - 20140627_204598) JCL - 20140707_01 based on Oracle 7u65-b16
The build queue builds up and there are plenty of executors available on several nodes as well as the master node.
The system memory usage is quite low < 2Gb (system has > 16Gb)
The log file is full of entries like
Nov 14, 2014 9:09:21 AM hudson.triggers.SafeTimerTask run
SEVERE: Timer task hudson.model.Queue$MaintainTask@c2f8092d failed
java.lang.IllegalThreadStateException: Thread is already started
at java.lang.Thread.start(Thread.java:953)
at hudson.model.Executor.start(Executor.java:497)
at hudson.model.Queue$JobOffer.set(Queue.java:261)
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:1064)
at hudson.model.Queue$MaintainTask.doRun(Queue.java:2033)
at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:54)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:482)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:315)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:193)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:308)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1176)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:795)