Update jobs via Script Console does not take effect

[Sverre Moe]

It seems when I updated a Job configuration with Groovy in the Script console it didn't really take effect.

def jenkinsInstance = jenkins.model.Jenkins.getInstance()
def developmentView = jenkinsInstance.getView("Development")
developmentView.getItems().each { project ->
    def trigger = new hudson.triggers.SCMTrigger("H/5 * * * *")
    project.addTrigger(trigger)
    project.save()
}

I later checked one of my project and found it hadn't checked Git for any changes for some time. In fact it was well over 5 minutes since last check. I triggered a build manually and it found new changes. I went into Configuration of that project, checked the settings and they where good SCM trigger was set to 5 minutes. I then saved the project configuration (even though I didn't change anything). After I did that I later checked the SCM log and it did from that moment forward check Git every 5 minutes for changes.

So it looked like the Groovy script I executed didn't take effect, even though it actually did update the configuration properly.

Am I missing an extra step after project.save()?

[Daniel Beck]

You forgot to `start(Job, boolean)` the trigger you added. You'll probably also need to `stop()` any existing SCMTrigger that gets replaced by yours.

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[Sverre Moe]

I have added stopping the old trigger and starting the new trigger. 

I have also a solution that worked without this:

def jenkinsInstance = jenkins.model.Jenkins.getInstance()
def SCM_TRIGGER_DESCRIPTOR = jenkinsInstance.getDescriptorOrDie(SCMTrigger.class)

def developmentView = jenkinsInstance.getView("Development")
developmentView.getItems().each { project ->

  project.removeTrigger(SCM_TRIGGER_DESCRIPTOR)

    def trigger = new hudson.triggers.SCMTrigger("H/5 * * * *")

  trigger.job = project
    project.addTrigger(trigger)
    project.save()
}