在 Jenkins Pipelines 中列出就地排序

List in place sorting in Jenkins Pipelines

我正在尝试对 Jenkins 管道中的对象列表进行排序。我在以下本地或 Jenkins 中运行代码得到了不同的结果：

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pipeline {
agent any
stages {
stage('default'){
steps {
script {
@NonCPS
def nonCpsTest = {
def list = [
['CreationDate': '200'],
['CreationDate': '300'],
['CreationDate': '100'],
]

def rval = list.sort { it['CreationDate'] }

echo"Rval=$rval"
echo"List=$list"
}
nonCpsTest()
}
}
}
}
}

当我使用 groovy shell (groovysh) 在本地执行这个脚本时，结果是

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groovy:000> list = [[ 'CreationDate':200 ], [ 'CreationDate':300 ], [ 'CreationDate':100 ]]
===> [[CreationDate:200], [CreationDate:300], [CreationDate:100]]
groovy:000> rval = list.sort { it['CreationDate'] }
===> [[CreationDate:100], [CreationDate:200], [CreationDate:300]]
groovy:000> list
===> [[CreationDate:100], [CreationDate:200], [CreationDate:300]]
groovy:000> list == rval
===> true

在 Jenkins 服务器上我正在关注

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[Pipeline] {
[Pipeline] stage
[Pipeline] { (default)
[Pipeline] script
[Pipeline] {
[Pipeline] echo
Rval=300
[Pipeline] echo
List=[[CreationDate:200], [CreationDate:300], [CreationDate:100]]
[Pipeline] }
[Pipeline] // script
[Pipeline] }
[Pipeline] // stage
[Pipeline] }
[Pipeline] // node
[Pipeline] End of Pipeline

Jenkins 工作流是否使列表不可变，或者覆盖 sort 方法，如果是，如何在 Jenkins 管道代码中进行就地列表排序？