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https://issues.apache.org/jira/browse/WICKET-2437?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Rodrigo De Castro updated WICKET-2437:
--------------------------------------

        Fix Version/s:     (was: 1.4-RC3)
                           (was: 1.3.6)
          Description: 
I have several lazy load panel that load DynamicImageResource objects. They are 
always loaded in serial mode. These are the debug messages:

INFO: Initiating Ajax GET request on 
../?wicket:interface=:3:tabpanel:panel:app_graph_panel:1:graph::IBehaviorListener:0:1&random=0.7774967316771
INFO: Invoking pre-call handler(s)...
INFO: Channel busy - postponing...
INFO: Channel busy - postponing...
INFO: Channel busy - postponing...
INFO: Channel busy - postponing...
INFO: Channel busy - postponing...
INFO: Channel busy - postponing...
INFO: Channel busy - postponing...
INFO: Channel busy - postponing...
INFO: Channel busy - postponing...
INFO: Received ajax response (2665 characters)

  was:
The loading process of an image which loads its contents from a 
DynamicImageResource blocks changing of an AjazLazyLoadPanel from indicating 
image to content. "respond(...)" method of AbstractDefaultAjaxBehavior from 
AjaxLazyLoadPanel is never called.

Within the attached quick start there is a forced delay because the image is 
too small and loads too quick  to force the error. I think the problem is that 
loading the first dynamic resource changes state of the page from "domready" to 
"load" and attached AjaxLazyLoadPanel script ignores it's execution. 

    Affects Version/s:     (was: 1.3.5)
                       1.4.0

> DynamicImageResource images are loaded in serial mode (Channel busy - 
> postponing...)
> ------------------------------------------------------------------------------------
>
>                 Key: WICKET-2437
>                 URL: https://issues.apache.org/jira/browse/WICKET-2437
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket, wicket-extensions
>    Affects Versions: 1.4.0
>            Reporter: Rodrigo De Castro
>            Assignee: Matej Knopp
>
> I have several lazy load panel that load DynamicImageResource objects. They 
> are always loaded in serial mode. These are the debug messages:
> INFO: Initiating Ajax GET request on 
> ../?wicket:interface=:3:tabpanel:panel:app_graph_panel:1:graph::IBehaviorListener:0:1&random=0.7774967316771
> INFO: Invoking pre-call handler(s)...
> INFO: Channel busy - postponing...
> INFO: Channel busy - postponing...
> INFO: Channel busy - postponing...
> INFO: Channel busy - postponing...
> INFO: Channel busy - postponing...
> INFO: Channel busy - postponing...
> INFO: Channel busy - postponing...
> INFO: Channel busy - postponing...
> INFO: Channel busy - postponing...
> INFO: Received ajax response (2665 characters)

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