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Bug
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Resolution: Unresolved
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Major
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None
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jenkins 2.5
jenkins 1.651.1
jenkins 1.651.3
When I create an scheduled job for the 31 of May some jenkins handler hangs with 100% cpu usage.
Steps to reproduce:
- Create a new item
- Select free style project
- Select build trigger periodically and set up the schedule for 31th of May. f.e.:
1 1 31 5 * - Add a build step that execs a shell for example with a echo hello
- save
Now each time you try to configure this job jenkins process eats up +100%cpu:
{{ PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
27568 jenkins 20 0 8577136 1.429g 26588 S 299.9 9.7 27:26.65 java }}
I forces some thread dumps sending kill signal to jenkins, this is the hanged handler:
Dump:
"Handling GET /job/test-schedule/descriptorByName/hudson.triggers.TimerTrigger/checkSpec from 91.126.32.51 : RequestHa
ndlerThread13" daemon prio=10 tid=0x00007f4adc005800 nid=0x6bf5 runnable [0x00007f4a8af7a000]
java.lang.Thread.State: RUNNABLE
at java.util.GregorianCalendar.computeFields(GregorianCalendar.java:2248)
at java.util.Calendar.setTimeInMillis(Calendar.java:1140)
at java.util.GregorianCalendar.add(GregorianCalendar.java:1044)
at hudson.scheduler.CronTab$CalendarField.addTo(CronTab.java:203)
at hudson.scheduler.CronTab.floor(CronTab.java:401)
at hudson.scheduler.CronTabList.previous(CronTabList.java:134)
at hudson.triggers.TimerTrigger$DescriptorImpl.updateValidationsForNextRun(TimerTrigger.java:107)
at hudson.triggers.TimerTrigger$DescriptorImpl.doCheckSpec(TimerTrigger.java:92)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Another from the very same thread:
"Handling GET /job/test-schedule/descriptorByName/hudson.triggers.TimerTrigger/checkSpec from 91.126.32.51 : RequestHa
ndlerThread13" daemon prio=10 tid=0x00007f4adc005800 nid=0x6bf5 runnable [0x00007f4a8af7a000]
java.lang.Thread.State: RUNNABLE
at sun.util.calendar.ZoneInfo.getTransitionIndex(ZoneInfo.java:351)
at sun.util.calendar.ZoneInfo.getOffsets(ZoneInfo.java:271)
at sun.util.calendar.ZoneInfo.getOffsets(ZoneInfo.java:248)
at java.util.GregorianCalendar.computeFields(GregorianCalendar.java:2276)
at java.util.GregorianCalendar.computeFields(GregorianCalendar.java:2248)
at java.util.Calendar.setTimeInMillis(Calendar.java:1140)
at java.util.GregorianCalendar.add(GregorianCalendar.java:1044)
at hudson.scheduler.CronTab$CalendarField.addTo(CronTab.java:203)
at hudson.scheduler.CronTab.floor(CronTab.java:401)
Request any other further information needed.
EDIT:
The timezone configured is Europe/Madrid using JAVA_ARGS:
-Duser.timezone=Europe/Madrid
-Dorg.apache.commons.jelly.tags.fmt.timeZone=Europe/Madrid