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Editorial Team
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Asked: 2026-06-15T05:27:04+00:00

I made a script that loads content based on the current request locale. Something

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I made a script that loads content based on the current request locale. Something like

class ScriptsTagLib {
  static namespace = "my"
  def loadLangInfo = { attrs ->
    Locale locale = RequestContextUtils.getLocale(request)
    r.script() {
      out << '$(function(){ loadLangInfo("'+locale.language+'") });'
    }
  }
}

If I add this in my layout, the page throws an error:

Error evaluating expression [my.loadLangInfo()] on line [6]: Cannot
add module [-page-fragments-] which requires disposition [defer] to
this request – that disposition has already been rendered.

Error 2012-11-19 15:13:54,801 [http-bio-8080-exec-5] ERROR
[Tomcat].[localhost] – Exception Processing ErrorPage[errorCode=500,
location=/grails-errorhandler] Message:
java.io.UnsupportedEncodingException: The character encoding [null] is
not supported

But if I add this tag in my page instead of the layout, the page is rendered with success.

It’s not possible to add r.script() to a layout?

EDIT: The problem is really with resources in the layout. Another example that fails is:

<g:layoutHead/>
<r:script>
$(function(){ });
</r:script>
<r:layoutResources />

EDIT 2: More info about the context

  • Grails 2.0.4
  • Resources 1.2.RC2

Also, it’s a layout inside a plugin, and not one app.

Not tested in Grails 2.1, but will do that.

EDIT 3:

Just tested now, with Grails 2.1.1 and Grails 2.0.4 new fresh plugin projects, and the script tag in the layout is ignored!

./views/layout/test.gsp -> Script ignored

<!doctype html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title><g:layoutTitle default="Insoft4 UI Plugin"/></title>
        <g:layoutHead/>

        <r:layoutResources />
    </head>
    <body>
        <g:layoutBody/>
        <r:script disposition="defer">
            alert('layout!');
        </r:script>
        <r:layoutResources />
    </body>
</html>

./views/index.gsp -> Script OK

<!doctype html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>Teste</title>
        <meta name="layout" content="teste" />
                <r:script disposition="defer">
            alert('index!');
        </r:script>
        <r:layoutResources />
    </head>
    <body>
        <h1>Testing this index!</h1>
        <r:layoutResources />
    </body>
</html>
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1 Answer

  1. Editorial Team

    I found out that the problem occurs when you have declared <r:layoutResources /> in both, layout and page and you try to add a script in the layout.

    To correct I removed the layoutResources from every view, leaving just in the layout.

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