Issue Type: Bug Bug
Assignee: Vinod Kone
Components: mesos-plugin
Created: 26/Jan/15 2:35 PM
Description:

When using the Jenkins Mesos plugin the Scheduler ends up in a state where it keeps spinning up / tearing down agents without actually performing any builds.

The following block is repeatedly logged (with new machine IDs each time):

Jan 26, 2015 2:22:56 PM INFO org.jenkinsci.plugins.mesos.MesosSlave
Constructing Mesos slave
Jan 26, 2015 2:22:59 PM INFO org.jenkinsci.plugins.mesos.JenkinsScheduler resourceOffers
Received offers 1
Jan 26, 2015 2:23:03 PM INFO org.jenkinsci.plugins.mesos.MesosComputerLauncher launch
Launching slave computer mesos-jenkins-21864fdb-738e-4d74-a395-a51c3821958f
Jan 26, 2015 2:23:03 PM WARNING org.jenkinsci.plugins.mesos.MesosComputerLauncher launch
Not launching mesos-jenkins-21864fdb-738e-4d74-a395-a51c3821958f because the Mesos Jenkins scheduler is not running
Jan 26, 2015 2:23:03 PM INFO org.jenkinsci.plugins.mesos.MesosSlave terminate
Terminating slave mesos-jenkins-21864fdb-738e-4d74-a395-a51c3821958f
Jan 26, 2015 2:23:03 PM INFO hudson.slaves.NodeProvisioner update
MesosCloud provisioning successfully completed. We have now 2 computer(s)
Jan 26, 2015 2:23:03 PM INFO org.jenkinsci.plugins.mesos.MesosCloud provision
Provisioning Jenkins Slave on Mesos with 1 executors. Remaining excess workload: 0 executors)
Jan 26, 2015 2:23:03 PM INFO hudson.slaves.NodeProvisioner$StandardStrategyImpl apply
Started provisioning MesosCloud from MesosCloud with 1 executors. Remaining excess workload: 0
Jan 26, 2015 2:23:03 PM INFO org.jenkinsci.plugins.mesos.MesosComputerLauncher
Constructing MesosComputerLauncher
Jan 26, 2015 2:23:04 PM INFO org.jenkinsci.plugins.mesos.JenkinsScheduler terminateJenkinsSlave
Terminating jenkins slave mesos-jenkins-21864fdb-738e-4d74-a395-a51c3821958f
Jan 26, 2015 2:23:04 PM WARNING org.jenkinsci.plugins.mesos.JenkinsScheduler terminateJenkinsSlave
Asked to kill unknown mesos task value: "mesos-jenkins-21864fdb-738e-4d74-a395-a51c3821958f"

The framework state in mesos reports the following:
Name: Jenkins Scheduler
Active Tasks: 1
CPUs: 5.55111512312578e-17
Mem: 0 B
Max Share: 2.77555756156289e-15%

This happens infrequently, but can be occur more than once a day when under heavy load.

Project: Jenkins
Labels: plugin
Priority: Major Major
Reporter: Andrew Slater
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