gistfile1.txt

import jenkins.triggers.ReverseBuildTrigger

Jenkins.instance.getAllItems().each { i ->
  if (i instanceof Job) {
    ReverseBuildTrigger t = i.getTriggers().values().find { it instanceof ReverseBuildTrigger }
    if (t != null && t.upstreamProjects == null) {
	    println "${i.getFullName()} has null upstreamProjects"
    }
  }
}

return