[jboss-jira] [JBoss JIRA] (WFCORE-3948) Potential race condition on deployment of EAR when Class-Path manifest entry is in use

[Paul Ferraro (Jira)]

    [ https://issues.redhat.com/browse/WFCORE-3948?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13822337#comment-13822337 ] 

Paul Ferraro commented on WFCORE-3948:
--------------------------------------

[~brian.stansberry] It means undeploy throws a bunch of exceptions.  See linked jira.

> Potential race condition on deployment of EAR when Class-Path manifest entry is in use
> --------------------------------------------------------------------------------------
>
>                 Key: WFCORE-3948
>                 URL: https://issues.redhat.com/browse/WFCORE-3948
>             Project: WildFly Core
>          Issue Type: Bug
>          Components: Server
>            Reporter: Stuart Douglas
>            Assignee: Brian Stansberry
>            Priority: Major
>             Fix For: 11.0.0.Beta4
>
>
> Attachments#ADDITIONAL_MODULES is attached to the top level DU, but modified by sub deployments in ManifestClassPathProcessor#createAdditionalModule without any sort of synchronisation. This can result in ConcurrentModificationException when the list is read/written to by other sub deployments at the same time.



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