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Change By:
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Jesse Glick
(10/Apr/14 1:55 PM)
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Description:
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Could it be that the change in JENKINS-22131 is causing deadlocks? If I downgrade to 1.555, there is no problem, all versions from 1.556 show the same behaviour: More and more executors are deadlocked. To me it looks if two concurrent jobs do something which locks each other.
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Warning, the following threads are deadlocked : Executor #0 for 1sp-slave12 : executing CONTEST_Technologies_Tests #1568, Executor #13 for 1sp-slave1 : executing CONTEST_Technologies_Tests #1569
The threads are blocked in:
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hudson.model.Run.save(Run.java:1856) (#1568)
hudson.model.AbstractBuild.getRunMixIn(AbstractBuild.java:178) (#1569)
{code}
{code:none}
Executor #13 for 1sp-slave1 : executing CONTEST_Technologies_Tests #1569
hudson.model.AbstractBuild.getRunMixIn(AbstractBuild.java:178)
jenkins.model.lazy.LazyBuildMixIn$RunMixIn.dropLinks(LazyBuildMixIn.java:336)
hudson.model.AbstractBuild.dropLinks(AbstractBuild.java:193)
hudson.model.RunMap.removeValue(RunMap.java:120)
hudson.model.RunMap.remove(RunMap.java:86)
jenkins.model.lazy.LazyBuildMixIn.removeRun(LazyBuildMixIn.java:216)
hudson.model.AbstractProject.removeRun(AbstractProject.java:1002)
hudson.model.AbstractProject.removeRun(AbstractProject.java:145)
hudson.model.Run.removeRunFromParent(Run.java:1478)
hudson.model.Run.delete(Run.java:1473)
hudson.tasks.LogRotator.perform(LogRotator.java:124)
hudson.model.Job.logRotate(Job.java:441)
hudson.model.Run.execute(Run.java:1751)
hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
hudson.model.ResourceController.execute(ResourceController.java:88)
hudson.model.Executor.run(Executor.java:231)
Executor #0 for 1sp-slave12 : executing CONTEST_Technologies_Tests #1568
hudson.model.Run.save(Run.java:1856)
hudson.plugins.changelog_history.ChangeLogHistoryRunListener.copyChangeLogs(ChangeLogHistoryRunListener.java:82)
hudson.plugins.changelog_history.ChangeLogHistoryRunListener.onDeleted(ChangeLogHistoryRunListener.java:50)
hudson.plugins.changelog_history.ChangeLogHistoryRunListener.onDeleted(ChangeLogHistoryRunListener.java:40)
hudson.model.listeners.RunListener.fireDeleted(RunListener.java:244)
hudson.model.Run.delete(Run.java:1447)
hudson.tasks.LogRotator.perform(LogRotator.java:124)
hudson.model.Job.logRotate(Job.java:441)
hudson.model.Run.execute(Run.java:1751)
hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
hudson.model.ResourceController.execute(ResourceController.java:88)
hudson.model.Executor.run(Executor.java:231)
{code}
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In the future please attach an actual thread dump (preferably as produced by jstack) as that would indicate the proximate cause of the deadlock, specifically which locks are being held.