[richfaces-issues] [JBoss JIRA] (RF-13615) ExtendedDataTable: double ajax request on scrolling

[Pavol Pitonak (JIRA)]

    [ https://issues.jboss.org/browse/RF-13615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12964293#comment-12964293 ] 

Pavol Pitonak commented on RF-13615:
------------------------------------

[~wlh], a4j:log works fine in Firefox 28 for me. 

[~bleathem], I could reproduce this behavior in 4.3.5 and 4.3.6. [~wlh] is right that the behavior changed in 4.3.5. In 4.3.4 only one request is sent but the last column in extended data table is rendered wrong.

!edt.png|thumbnail!
                
> ExtendedDataTable: double ajax request on scrolling
> ---------------------------------------------------
>
>                 Key: RF-13615
>                 URL: https://issues.jboss.org/browse/RF-13615
>             Project: RichFaces
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: showcase
>    Affects Versions: 4.3.6
>         Environment: Problem can be tested in richfaces showcase.
> http://showcase.richfaces.org/richfaces/component-sample.jsf?demo=extendedDataTable&skin=blueSky
>            Reporter: Holger Walter
>            Assignee: Pavol Pitonak
>         Attachments: edt.png
>
>
> 1. Go to the extendedDataTable showcase
> 2. Turn on ajax loading.
> 3. Open the debugger of your browser and watch the network communication
> 4. Scroll down in the table untli new data has to be fetched.
> => one POST request is sent. This is fine.
> 5. Change the width of a column in the table.
> => one POST request is sent. This is fine.
> 6. Scroll again in the table untli new data has to be fetched.
> -> 2 POST requests are sent. WHY?
> From now on, on each scroll, the table always sends 2 requests. This behavior stops only when your relaod the table.
> Due to this behavior I get some perfromance issues, as I have to execute some own javascript after each request.
> Is there a possibility to prevent the 2nd POST request. I would be happy even with a dirty hack, or just a hint showing me from where the 2nd request is triggered.
> Best regards
> wlh

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