How to stop an unstoppable zombie job on Jenkins without restarting the server?

Question

Our Jenkins server has a job that has been running for three days, but is not doing anything. Clicking the little X in the corner does nothing, and the console output log do

Answer 1

The first proposed solution is pretty close. If you use stop() instead of interrupt() it even kills runaway threads, that run endlessly in a groovy system script. This will kill any build, that runs for a job. Here is the code:

Thread.getAllStackTraces().keySet().each() {
    if (it.name.contains('YOUR JOBNAME')) {  
      println "Stopping $it.name"
      it.stop()
    }
}