Does jenkins lose ephemeral locks within a single build if unreferenced?

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1

Hello folks! I am trying to use locks in a fairly large matrix project configured using jenkins pipeline. I am trying to use a lock around a step which after release may not immediately acquired. Does the lockable resource get destroyed once it becomes unreferenced?

My pipeline code is somewhat like this

pipeline {
    matrix
        name: OS
        values: "A", "B", "C"
    
    agent { label "mylabel" } //one node with this label
        
    stage 1 // takes 10s
    
    stage 2 // takes 10s (has lock(label: 'tmplock') )

    stage 3 // takes 10s    
}

Iā€™m running into java.lang.IllegalArgumentException: The label does not exist: tmplock. Am I correct in thinking that once ā€œAā€ is processed by stage 2, and is not waiting to be acquired, jenkins deletes it and throws this error?

2

To make the lock step define an ephemeral resource, you have to provide the resource parameter rather than label.

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