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  1. Jenkins
  2. JENKINS-43635

declarative pipeline fails with workflow library

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      I have some multibranch pipelines, where I want to move over to the declarative pipeline syntax.
      I use a shared workflow library (added implicitly to all jobs, set as the default in the master config).
      When using declarative pipelines I get

      21:38:23 + docker-compose -f docker-compose.yml ps
      21:38:24 stty: standard input: Inappropriate ioctl for device
      21:38:24 Name Command State Ports 
      21:38:24 -----------------------------------------------------------------------------------------------------------------------------
      21:38:24 serverfeaturetacjfrsr167b43eenhq7fwkjpebbaprznkzesfair6fcv3a7pw26uh2fvuomq5a_oracle_1 /bin/sh -c /run.sh Up 1521/tcp 
      [Pipeline] sh
      21:38:24 [server_feature_TACJFRSR-167-B43EENHQ7FWKJPEBBAPRZNKZESFAIR6FCV3A7PW26UH2FVUOMQ5A] Running shell script
      [Pipeline] sh
      21:38:24 [server_feature_TACJFRSR-167-B43EENHQ7FWKJPEBBAPRZNKZESFAIR6FCV3A7PW26UH2FVUOMQ5A] Running shell script
      [Pipeline] }
      .....
      Caused by: java.lang.UnsupportedOperationException: Refusing to marshal org.codehaus.groovy.runtime.GStringImpl for security reasons
      

      when running the helper method from my pipeline library. The same helper method with the same arguments works just fine in a "classic" style Jenkinsfile pipeline. 
      So I headed off and put @NonCPS on the helper-method, the strange thing is that I then get another return type from that method! w/o annotation it's a List as expected, with annotation it becomes a String:

      java.lang.ClassCastException: org.jenkinsci.plugins.workflow.steps.EnvStep.overrides expects java.util.List<java.lang.String> but received class java.lang.String
       
      

      It seems strange that the same pipeline-library behaves differently between the two pipeline styles of declaration.
      See gist for full details:
      https://gist.github.com/davidkarlsen/882af8fa46859134aa3502fd5921cb79#file-gistfile1-txt-L5

        1. dockerCompose.groovy
          2 kB
          davidkarlsen
        2. Jenkinsfile
          5 kB
          davidkarlsen

            abayer Andrew Bayer
            davidkarlsen davidkarlsen
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              Created:
              Updated:
              Resolved: