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  1. Jenkins
  2. JENKINS-35036

Unable to pass map of closures and failFast parameter to "parallel" pipeline step

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      In `jenkinsci/workflow-demo` Docker image, the following Pipeline job:

      def map = [:]
map['spam'] = {
    node {
        echo 'spam'
    }
}
map['eggs'] = {
    node {
        echo 'eggs'
    }
}
parallel branches: map, failFast: true

      fails with exception:

      Started by user anonymous
[Pipeline] parallel
[Pipeline] // parallel
[Pipeline] End of Pipeline
java.lang.IllegalArgumentException: Expected a closure or failFast but found branches={spam=org.jenkinsci.plugins.workflow.cps.CpsClosure2@3717bc27, eggs=org.jenkinsci.plugins.workflow.cps.CpsClosure2@5b9bdc9b}
	at org.jenkinsci.plugins.workflow.cps.steps.ParallelStep$DescriptorImpl.newInstance(ParallelStep.java:202)
	at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:134)
	at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:113)
	at groovy.lang.GroovyObject$invokeMethod.call(Unknown Source)
	...

            jglick Jesse Glick
            kveretennicov Konstantin Veretennicov
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              Created:
              Updated:
              Resolved: