java.lang.NullPointerException at org.jenkinsci.plugins.workflow.job.WorkflowRun.onCheckout(WorkflowRun.java:836) at org.jenkinsci.plugins.workflow.job.WorkflowRun.access$1000(WorkflowRun.java:133) at org.jenkinsci.plugins.workflow.job.WorkflowRun$SCMListenerImpl.onCheckout(WorkflowRun.java:1101) at org.jenkinsci.plugins.workflow.steps.scm.SCMStep.checkout(SCMStep.java:133) at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:91) at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:78) at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Finished: FAILURE

pipeline {
  agent none
  options {
    timeout(time: 1, unit: 'HOURS')
    buildDiscarder(logRotator(numToKeepStr: '20'))
    disableConcurrentBuilds()
    timestamps()
  }
  stages {
    stage('Build and publish') {
      agent { label 'environment/qa && java/1.8' } 
      steps {
        git branch: 'test',
            url: 'git@github.com:yourorganization/yourgit.git'
        sh 'echo test'
      }
    }
  }
}