[richfaces-issues] [JBoss JIRA] Commented: (RF-4476) Prototype.js loaded twice when using a4j:loadScript together with components which requests prototype too.

[Devi Rajshri Menon (JIRA)]

    [ https://jira.jboss.org/jira/browse/RF-4476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12444345#action_12444345 ] 

Devi Rajshri Menon commented on RF-4476:
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Workaround does not solve the issue. Using <a4j:loadScript src="resource://org.ajax4jsf.javascript.PrototypeScript" />  loads prototype twice if a page has a rich component that uses prototype ( say a rich:dataTable) and the loadScriptStrategy is set to DEFAULT on web.xml.

Using <a4j:loadScript src="resource://org.ajax4jsf.javascript.PrototypeScript" /> also  loads prototype twice if the loadScriptStrategy is set to ALL on web.xml.

a4j:loadScript should not load scripts that are loaded by the framework. It needs to be aware that the framework has loaded them. This is crucial for scripts that wreck havoc on double load like prototype.js.

> Prototype.js loaded twice when using a4j:loadScript together with components which requests prototype too.
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: RF-4476
>                 URL: https://jira.jboss.org/jira/browse/RF-4476
>             Project: RichFaces
>          Issue Type: Bug
>    Affects Versions: 3.2.2
>            Reporter: josef adamcik
>            Assignee: Nick Belaevski
>             Fix For: 3.3.0
>
>
> When I use <a4j:loadScript src="resource://prototype.js" /> (mentioned in demo application http://livedemo.exadel.com/richfaces-demo/richfaces/script.jsf?c=loadScript&tab=usage ) and some component loads Prototype too, it results in two different script urls (and two script tags in document header):
> /a4j/g/3_2_2.GAorg.ajax4jsf.javascript.PrototypeScript.faces
> and:
> /a4j/g/3_2_2.GAprototype.js.faces
> 	
> -> script is loaded downloaded and included twice.
> Commonly it doesn't cause problem, but sometimes it can broke prototype in IE 6 (not tested other versions). (There was problem with suggestion box throwing errors on some methods from script.aculo.us in my case.)

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