"reconfigure children of <SOMEFOLDER>"
    at hudson.model.Job.onLoad(Job.java:205) // usually synchronizes on this; trying to lock PromotionProcess
    at hudson.model.AbstractProject.onLoad(AbstractProject.java:320)
    at hudson.model.ItemGroupMixIn.loadChildren(ItemGroupMixIn.java:122)
    at hudson.plugins.promoted_builds.JobPropertyImpl.setOwner(JobPropertyImpl.java:223) // synchronized; locked JobPropertyImpl
    at ...
"reconfigure children of <SOMEFOLDER>/<SOMEJOB>"
    at hudson.plugins.promoted_builds.JobPropertyImpl.getOwner(JobPropertyImpl.java:328) // synchronized; trying to lock JobPropertyImpl
    at hudson.plugins.promoted_builds.JobPropertyImpl.getRootDir(JobPropertyImpl.java:349)
    at hudson.plugins.promoted_builds.JobPropertyImpl.getRootDirFor(JobPropertyImpl.java:386)
    at hudson.plugins.promoted_builds.JobPropertyImpl.getRootDirFor(JobPropertyImpl.java:382)
    at hudson.plugins.promoted_builds.JobPropertyImpl.getRootDirFor(JobPropertyImpl.java:54)
    at hudson.model.AbstractItem.getRootDir(AbstractItem.java:179)
    at hudson.model.Items.getConfigFile(Items.java:348)
    at hudson.model.AbstractItem.getConfigFile(AbstractItem.java:525)
    at hudson.model.AbstractItem.save(AbstractItem.java:521)
    at hudson.model.Job.save(Job.java:180)
    at hudson.model.AbstractProject.save(AbstractProject.java:305) // synchronized; locked PromotionProcess
    at ...