Ok, I will try to prepare a fix for this. Then I will create a JIRA
issue for this with this fix.

--
Daniel

On Tue, Aug 11, 2015 at 12:55 PM, Martin Grigorov <mgrigo...@apache.org> wrote:
> Thanks!
>
> Do you want to contribute an improvement?
> For example we can extract a class that will be listener. In its onXyz()
> callbacks it will use the pageId to lookup the page, then it will search
> for an AtmosphereBehavior in the page to do its job (if this is required).
>
> Martin Grigorov
> Wicket Training and Consulting
> https://twitter.com/mtgrigorov
>
> On Tue, Aug 11, 2015 at 1:20 PM, Daniel Stoch <daniel.st...@gmail.com>
> wrote:
>
>> Hi,
>>
>> AtmosphereBehavior extends AbstractAjaxBehavior which has a component
>> field - so this holds a reference to a component, so also to its page
>> (using parent relationships). AtmosphereBehavior in onRequest() method
>> registers itself as a listener to Meteor object:
>>
>>   ...
>>   Meteor meteor = Meteor.build(request.getContainerRequest());
>>   // Add us to the listener list.
>>   meteor.addListener(this);
>>   ...
>>
>> So until atmosphere resource hold in meteor expires, it keeps a hard
>> reference to our behavior so also to a page. It can be a problem in
>> heavy load applications (with many users), where many atmosphere
>> resources are created.
>>
>> --
>> Daniel
>>
>> On Mon, Aug 10, 2015 at 1:38 PM, Martin Grigorov <mgrigo...@apache.org>
>> wrote:
>> > Hi,
>> >
>> > Can you point in the code where this happens?
>> >
>> > Martin Grigorov
>> > Wicket Training and Consulting
>> > https://twitter.com/mtgrigorov
>> >
>> > On Mon, Aug 10, 2015 at 11:34 AM, Daniel Stoch <daniel.st...@gmail.com>
>> > wrote:
>> >
>> >> Hi,
>> >>
>> >> Ok, EventBus stores only pageId. But Atmosphere framework keeps all
>> >> AtmosphereResourceEventListeners which are implemented by
>> >> AtmosphereBehavior - so I think this is a place when Atmosphere keeps
>> >> references to all registered pages.
>> >>
>> >> --
>> >> Daniel
>> >>
>> >>
>> >> On Tue, Jul 28, 2015 at 9:33 AM, Martin Grigorov <mgrigo...@apache.org>
>> >> wrote:
>> >> > Hi,
>> >> >
>> >> > I see no problem here.
>> >> > Wicket-Atmosphere keeps the pageId, not the page:
>> >> >
>> >>
>> https://github.com/apache/wicket/blob/3eba671c0770b0167f2d83ebf8924b28917316c9/wicket-experimental/wicket-atmosphere/src/main/java/org/apache/wicket/atmosphere/EventBus.java#L253
>> >> >
>> >> > Later uses it at
>> >> >
>> >>
>> https://github.com/apache/wicket/blob/3eba671c0770b0167f2d83ebf8924b28917316c9/wicket-experimental/wicket-atmosphere/src/main/java/org/apache/wicket/atmosphere/AtmosphereRequestHandler.java#L76
>> >> >
>> >> > Martin Grigorov
>> >> > Freelancer. Available for hire!
>> >> > Wicket Training and Consulting
>> >> > https://twitter.com/mtgrigorov
>> >> >
>> >> > On Mon, Jul 20, 2015 at 1:54 PM, Daniel Stoch <daniel.st...@gmail.com
>> >
>> >> > wrote:
>> >> >
>> >> >> Hi,
>> >> >>
>> >> >> In Wicket (AFAIK) we keeps only actual page reference in a web
>> >> >> session, all other pages as serialized to a page store.
>> >> >> AtmosphereBehavior registers itself as a listener to
>> >> >> AtmosphereResource object. Because of this Atmosphere keeps
>> references
>> >> >> to all registered pages (until such resource expires). I think it
>> >> >> could be a problem in high load applications: theses hard references
>> >> >> could eat all memory.
>> >> >>
>> >> >> What do you think: is it a problem or not (and I am wrong in this
>> case)?
>> >> >>
>> >> >> --
>> >> >> Best regards,
>> >> >> Daniel
>> >> >>
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>> >> >>
>> >> >>
>> >>
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>> >>
>> >>
>>
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>>

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