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[JENKINS-64127] ConcurrentModificationException from lock step #933

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 java.util.ConcurrentModificationException
  at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)
  at java.util.ArrayList$Itr.next(ArrayList.java:859)
  at org.jenkins.plugins.lockableresources.LockableResourcesManager.getAllLabels(LockableResourcesManager.java:136)
  at org.jenkins.plugins.lockableresources.LockableResourcesManager.isValidLabel(LockableResourcesManager.java:131)
  at org.jenkins.plugins.lockableresources.LockStepResource.validate(LockStepResource.java:87)
  at org.jenkins.plugins.lockableresources.LockStep.validate(LockStep.java:138)
  at org.jenkins.plugins.lockableresources.LockStepExecution.start(LockStepExecution.java:38)
  at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:286)
  at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:179)
  at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:122)
  at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:48)
  at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
  at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
  at com.cloudbees.groovy.cps.sandbox.DefaultInvoker.methodCall(DefaultInvoker.java:20)

 

Based on the code, this can also happen for the following methods:

 

org.jenkins.plugins.lockableresources.LockableResourcesManager#checkCurrentResourcesStatus
org.jenkins.plugins.lockableresources.LockableResourcesManager#fromName
org.jenkins.plugins.lockableresources.LockableResourcesManager#getAllLabels
org.jenkins.plugins.lockableresources.LockableResourcesManager#getDeclaredResources
org.jenkins.plugins.lockableresources.LockableResourcesManager#getFreeResourceAmount
org.jenkins.plugins.lockableresources.LockableResourcesManager#getResourcesFromBuild
org.jenkins.plugins.lockableresources.LockableResourcesManager#getResourcesFromProject
org.jenkins.plugins.lockableresources.LockableResourcesManager#getResourcesWithLabel
org.jenkins.plugins.lockableresources.LockableResourcesManager#getResourcesMatchingScript

 


Originally reported by seyguai, imported from: ConcurrentModificationException from lock step
  • status: Open
  • priority: Major
  • component(s): lockable-resources-plugin
  • resolution: Unresolved
  • votes: 0
  • watchers: 1
  • imported: 20251217-081411
Raw content of original issue

 

 java.util.ConcurrentModificationException
  at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)
  at java.util.ArrayList$Itr.next(ArrayList.java:859)
  at org.jenkins.plugins.lockableresources.LockableResourcesManager.getAllLabels(LockableResourcesManager.java:136)
  at org.jenkins.plugins.lockableresources.LockableResourcesManager.isValidLabel(LockableResourcesManager.java:131)
  at org.jenkins.plugins.lockableresources.LockStepResource.validate(LockStepResource.java:87)
  at org.jenkins.plugins.lockableresources.LockStep.validate(LockStep.java:138)
  at org.jenkins.plugins.lockableresources.LockStepExecution.start(LockStepExecution.java:38)
  at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:286)
  at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:179)
  at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:122)
  at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:48)
  at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
  at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
  at com.cloudbees.groovy.cps.sandbox.DefaultInvoker.methodCall(DefaultInvoker.java:20)

 

Based on the code, this can also happen for the following methods:

 

org.jenkins.plugins.lockableresources.LockableResourcesManager#checkCurrentResourcesStatus
org.jenkins.plugins.lockableresources.LockableResourcesManager#fromName
org.jenkins.plugins.lockableresources.LockableResourcesManager#getAllLabels
org.jenkins.plugins.lockableresources.LockableResourcesManager#getDeclaredResources
org.jenkins.plugins.lockableresources.LockableResourcesManager#getFreeResourceAmount
org.jenkins.plugins.lockableresources.LockableResourcesManager#getResourcesFromBuild
org.jenkins.plugins.lockableresources.LockableResourcesManager#getResourcesFromProject
org.jenkins.plugins.lockableresources.LockableResourcesManager#getResourcesWithLabel
org.jenkins.plugins.lockableresources.LockableResourcesManager#getResourcesMatchingScript

 

environment
Lockable Resources Plugin 2.10<br/>
Jenkins 2.235.3

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