[JIRA] (JENKINS-44597) ConcurrentModificationException on releasing lock

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tobias-jenkins@23.gs (JIRA)

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Oct 12, 2019, 11:18:03 AM10/12/19
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Tobias Gruetzmacher commented on Bug JENKINS-44597
 
Re: ConcurrentModificationException on releasing lock

This seems to have been addressed in release 2.1, please reopen with new evidence if it is still an issue.
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tobias-jenkins@23.gs (JIRA)

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Oct 12, 2019, 11:18:04 AM10/12/19
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Tobias Gruetzmacher resolved as Fixed
 
Jenkins / Bug JENKINS-44597
ConcurrentModificationException on releasing lock
Change By: Tobias Gruetzmacher
Status: Open Resolved
Resolution: Fixed
Released As: lockable-resources 2.1

jsmilani@mac.com (JIRA)

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Apr 24, 2020, 6:28:03 PM4/24/20
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We encountered a similar issue with version 2.7. It was only one incident out of hundreds of runs, but might as well keep this ticket open if it can still happen.

[Pipeline] Start of Pipeline
[Pipeline] lock
Trying to acquire lock on [rcprod]
Resource [rcprod] did not exist. Created.
[Pipeline] // lock
[Pipeline] End of Pipeline
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.fromName(LockableResourcesManager.java:182)
	at org.jenkins.plugins.lockableresources.queue.LockableResourcesStruct.<init>(LockableResourcesStruct.java:83)
	at org.jenkins.plugins.lockableresources.LockStepExecution.start(LockStepExecution.java:56)
	at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:286)
	at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:179)
	...

We too are putting the lock outside the node:

lock("rcprod") {
    node() {
        ...
    }
}

Versions:

Jenkins 2.225
Lockable Resources plugin 2.7
Pipeline 2.6
Java openjdk version "1.8.0_212"
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jsmilani@mac.com (JIRA)

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Apr 24, 2020, 6:28:03 PM4/24/20
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John Smilanick reopened an issue
Change By: John Smilanick
Resolution: Fixed
Status: Resolved Reopened
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