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  1. Jenkins
  2. JENKINS-47559

NullPointerException in Declarative Jenkinsfile Pipeline Syntax Validator (when clause)

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      Jenkinsfiles like what you see below (note the lack of 'expression' block in the 'when' clause) cause a NullPointerException instead of reporting a syntax error.

      pipeline {
  agent { label 'Some Machine' }
  
  parameters {
    string(name: 'Type', defaultValue: 'Nightly', description: 'Type of build to perform -- can be "Nightly," "CI," or "PR"')
  }

  stages {

    stage('Fix Me') {
      when {
        params.Type == 'CI'
      }

      steps {
        echo "Hello World"
      }
    }
  }
}

            abayer Andrew Bayer
            nroth Nicholas Roth
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              Created:
              Updated:
              Resolved: