[weld-issues] [JBoss JIRA] Commented: (WELD-833) ConcurrentModificationException while deactivating conversations
Ove Ranheim (JIRA)
jira-events at lists.jboss.org
Sun May 1 15:11:19 EDT 2011
[ https://issues.jboss.org/browse/WELD-833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12599313#comment-12599313 ]
Ove Ranheim commented on WELD-833:
----------------------------------
I experience the same issue with Seam Solder and Faces 3.0.0.Final.
For JBoss 6 users we have to wait for 6.0.1, and I've found a workaround.
Instead of e.g.:
@Begin
void beginConversation();
@End
void endConversation();
You may write:
void beginConversation()
{
if (conversation.isTransient())
{
conversation.begin();
}
}
void endConversation()
{
if (!conversation.isTransient())
{
conversation.end();
}
}
This would be a workaround this issue for Weld 1.1.0.Final users. However, for Seam Faces the interceptor (org.jboss.seam.faces.context.conversation.ConversationBoundaryInterceptor) would not be able to discover manual call to conversation begin / end.
> 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: 1.1.1.Final
>
> 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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