[weld-issues] [JBoss JIRA] Commented: (WELD-833) ConcurrentModificationException while deactivating conversations

[Jan Groth (JIRA)]

    [ https://issues.jboss.org/browse/WELD-833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589678#comment-12589678 ] 

Jan Groth commented on WELD-833:
--------------------------------

Good point then. IMO this issue is blocking _any_ Weld application. Even HelloWorld crashes with ConcurrentModificationException as soon as you start some dedicated clicking - and there's no workaround but hand-patching the app server.

Seems like (too) few people using Weld in productive environments.

> ConcurrentModificationException while deactivating conversations
> ----------------------------------------------------------------
>
>                 Key: WELD-833
>                 URL: https://issues.jboss.org/browse/WELD-833
>             Project: Weld
>          Issue Type: Bug
>          Components: Conversations
>    Affects Versions: 1.1.0.CR3, 1.1.0.Final, TBC
>            Reporter: Jan Groth
>            Assignee: Ales Justin
>             Fix For: 1.2.0.Beta1
>
>         Attachments: fix_deletion_of_conversations.patch
>
>
> If a conversation gets deactivated, the code which actually iterates the map of conversations in org.jboss.weld.context.AbstractConversationContext  is erroneous and easily runs into a ConcurrentModificationException if there is more than one conversation. We consider this a pretty serious defect because its not possible to use JBoss AS 6.0 GA for a real-world application.
> See attached patch for a fix.

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