How to define and use function inside Jenkins Pipeline config

Question

I m trying to create a task with a function inside   def doCopyMibArtefactsHere projectName        step             class   CopyArtifact           projectName   projectName          filter         mib           fingerprintArtifacts  true           flatten  true            def BuildAndCopyMibsHere projectName  params        build job   project  parameters   params     doCopyMibArtefactsHere  projectName      node        stage  Prepare Mib            BuildAndCopyMibsHere  project1             But this gives me an exception      java lang NoSuchMethodError  No such DSL method  BuildAndCopyMibsHere  found among steps    Is there any way to use embedded functions within a Pipeline script

User · Answer

Solved  The call build job  project  parameters  params fails with an error java lang UnsupportedOperationException  must specify  class with an implementation of interface java util List when params        Replacing it with params   null solved the issue  Here the working code below   def doCopyMibArtefactsHere projectName        step             class   CopyArtifact           projectName  projectName          filter         mib           fingerprintArtifacts  true           flatten  true            def BuildAndCopyMibsHere projectName  params   null        build job  project  parameters  params     doCopyMibArtefactsHere projectName    node        stage  Prepare Mib            BuildAndCopyMibsHere  project1

User · Answer

First off  you shouldn t add   when you re outside of strings   class in your first function being an exception   so it should be   def doCopyMibArtefactsHere projectName        step             class   CopyArtifact           projectName  projectName          filter         mib           fingerprintArtifacts  true           flatten  true            def BuildAndCopyMibsHere projectName  params        build job  project  parameters  params     doCopyMibArtefactsHere projectName          Now  as for your problem  the second function takes two arguments while you re only supplying one argument at the call  Either you have to supply two arguments at the call       node        stage  Prepare Mib            BuildAndCopyMibsHere  project1   null                or you need to add a default value to the functions  second argument   def BuildAndCopyMibsHere projectName  params   null        build job  project  parameters  params     doCopyMibArtefactsHere  projectName

[jenkins] How to define and use function inside Jenkins Pipeline config?

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