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https://issues.jboss.org/browse/RF-12219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12692582#comment-12692582
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Milo van der Zee commented on RF-12219:
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I created a testcase in which I push an event every two seconds. I see that a
org.richfaces.application.push.MessageData object is created every two seconds
for every logged on session. The objects are never killed and stay there
forever. Somehow the production environment reaches a state that a couple a
hundred objects are created for each push request. And because I'm using the
push system in a couple of places the result is that about 2000 objects are
created every minute.
Also in the test environment the number of objects never declines. The count
only increases.
In my current situation in production I disabled a couple of push generators
and with only one left I see 363 new MessageData objects every push moment.
There are 34 session from which there are 27 active. So on average instead of
one object per session I see about 11 objects per session for each push event.
Conclusions:
- cleanup system fails completely
- listener registration faulty
And it could still be that I'm using push the wrong way... Do I need to consume
events?
MAG,
Milo van der Zee
> Push: Test that messages do not become stale in a queue
> -------------------------------------------------------
>
> Key: RF-12219
> URL: https://issues.jboss.org/browse/RF-12219
> Project: RichFaces
> Issue Type: Enhancement
> Security Level: Public(Everyone can see)
> Components: component-push/poll
> Affects Versions: 4.2.1.Final
> Reporter: Lukáš Fryč
>
> According to the [Forum reference],
> we can have problems with stale messages.
> I would suggest to write tests for following scenarios and check that queue
> is destroyed properly:
> * view expires
> * client leaves the page with {{a4j:push}} without proper clean up
> * ...
> Let's brainstorm other scenarios.
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