why is the groovy code failing in jenkins?

[ok999]

This a very basic test code for the pipleine job

node('windows') {    

checkout([$class: 'GitSCM', branches: [[name: '*/master']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: 'cca9c557-65b8-4c72-9176-f78d', url: 'g...@github.com:SomeProjects/trobocopy.git']]])

def pathMap = ['folder1':'dst1', 'folder2':'dst2', 'folder3':'dst3', 'folder4':'dst4'] 

  pathMap.each { path, dir -> 

       bat "xcopy %cd%${path} C:\\${dir} /E /Y /V" 

         }

}

The jenkins console shows 

[Pipeline] End of Pipeline
java.io.NotSerializableException: java.util.LinkedHashMap$Entry
	at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(RiverMarshaller.java:860)
	at org.jboss.marshalling.river.BlockMarshaller.doWriteObject(BlockMarshaller.java:65)
	at org.jboss.marshalling.river.BlockMarshaller.writeObject(BlockMarshaller.java:56)
	at org.jboss.marshalling.MarshallerObjectOutputStream.writeObjectOverride(MarshallerObjectOutputStream.java:50)
	at org.jboss.marshalling.river.RiverObjectOutputStream.writeObjectOverride(RiverObjectOutputStream.java:179)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:343)
	at java.util.HashMap.writeObject(HashMap.java:1129)
	at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)

Caused by: an exception which occurred:
	in field locals
	in field parent
	in field capture
	in field def
	in field closures
	in object org.jenkinsci.plugins.workflow.cps.CpsThreadGroup@4d0c20da
Finished: FAILURE

[Patrick Wolf]

There is a well known problem with .each in Pipeline right now that Kohsuke is working on. There are many comments here:

https://issues.jenkins-ci.org/browse/JENKINS-26481

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Patrick Wolf

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[ok999]

Is this issue intermittent by any chance ? I thought i got it working yesterday (the looping part) thanks to stackoverflow but it wont perform the loop today (on a friday!!!) 

node('windows') {

checkout([$class: 'GitSCM', branches: [[name: '*/master']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[credentialsId: 'cca9c557-65b8-4c72-9176-f78d91c22907', url: 'g...@github.com:RocketScienceProjects/testrobocopy.git']]])

def paths = ['folder1', 'folder2', 'folder3']

def dirs = ['dst1', 'dst2', 'dst3']

   [paths, dirs].transpose().each { pd ->

     def path = pd[0]

     def dir = pd[1]

      bat "xcopy %cd%\\${path} C:\\${dir} /E /Y /V"

      bat "(robocopy %cd%\\${path} C:\\${dir}\\temp lab.conf) ^& IF %ERRORLEVEL% LEQ 7 exit 0"

    }

 }

PS: please dont worry abt the batch commands, they doesnt make sense. i am just trying to get the loop rolling :)

[Daniel Beck]

> On 22.04.2016, at 17:03, ok999 <nirish...@gmail.com> wrote:
>
> Is this issue intermittent by any chance ? I thought i got it working yesterday (the looping part) thanks to stackoverflow but it wont perform the loop today (on a friday!!!)

No. However, there was a version of the 'Pipeline: Groovy' plugin (2.0) in which this was fixed, unfortunately this resulted in more severe problems, so it had to be reverted in 2.1.

https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+Groovy+Plugin