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Editorial Team
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Asked: 2026-06-01T01:25:14+00:00

I am trying to put versioning around the resources in an application. If I

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I am trying to put versioning around the resources in an application.

If I do like this resources/js/1_0_0/mainscript.js

It does not work. It says RESOURCE_NOT_FOUND

but when I do like this

resources/js/mainscript.js/1_0_0.js

It works. I do not like the way it is organized in the second way. First one looks cool. Any Idea?

I am using Tomcat 7.0, JSF 2.0.9

Update: I was checking primefaces-2-2.1.jar. Since when I checked the page source, I saw this
/javax.faces.resource/jquery/jquery.js.xhtml?ln=primefaces&v=2.2.1″>

Then I looked at META-INF/resources/primefaces/jquery/jquery.js

They did not have any versioning in there but how did it append v=2.2.1 in the head

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1 Answer

  1. Editorial Team

    If I do like this resources/js/1_0_0/mainscript.js

    It does not work. It says RESOURCE_NOT_FOUND

    This will work if you specify js as library name.

    <h:outputScript library="js" name="mainscript.js" />

    However, this is not the proper usage of a resource library. Rather introduce one.

    resources/default/1_0_0/js/mainscript.js

    Then you can specify it as follows:

    <h:outputScript library="default" name="js/mainscript.js" />

    They did not have any versioning in there but how did it append v=2.2.1 in the head

    It’s done by PrimeResource which kicks in on resource requests with ln=primefaces parameter. Its getRequestPath() has the following implementation:

    @Override
public String getRequestPath() {
    return super.getRequestPath() + "&amp;v=" + Constants.VERSION;
}

    Where Constants is the PrimeFaces specific constants file which is updated with every PF version.

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