[ http://jira.jboss.com/jira/browse/RF-3631?page=all ]
Aleksej Yanul reassigned RF-3631:
---------------------------------
Assignee: Aleksej Yanul (was: Tsikhon Kuprevich)
> ConcurrentModificationException during session serialization
> ------------------------------------------------------------
>
> Key: RF-3631
> URL: http://jira.jboss.com/jira/browse/RF-3631
> Project: RichFaces
> Issue Type: Bug
> Components: docs updated
> Affects Versions: 3.1.5, 3.2.0
> Environment: JBboss 4.2.2.GA
> Seam 2.0.2.SP1
> JDK 1.5.0_15
> Windows XP Pro SP2
> Reporter: Stanimir Stamenkov
> Assigned To: Aleksej Yanul
> Fix For: 3.1.6
>
> Attachments: test-cluster-session.ear
>
>
> Concurrent requests cause java.util.ConcurrentModificationException during
> session serialization in cluster environment.
> I've initially posted this issue to the RichFaces users forum, but then
> posted to the Clustering/JBoss, too:
> http://www.jboss.com/index.html?module=bb&op=viewtopic&t=136590
> where I've got feedback I'm on the right track my problem is probably caused
> by the RichFaces (Ajax4Jsf) library. Basically the web session gets modified
> while it is been serialized when concurrent requests are made. [EMAIL
> PROTECTED] have written:
> "The session management layer does not prevent concurrent access to the
> session. The session's internal data structures can deal with concurrency
> (e.g. the attribute map is a ConcurrentHashMap) but if the objects you'll
> store in it are going to be accessed concurrently, they'll need to be thread
> safe or have access to them synchronized."
> I've prepared minimal test case (I'm about to attach) demonstrating the
> problem. I've tried it with both RichFaces 3.1.5.GA (part of Seam 2.0.2.SP1)
> and RichFaces 3.2.0.SR1 (which I'm using with my application).
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