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Asked: 2026-05-11T12:03:04+00:00

I have the following UrlMapping in my Grails UrlMappings class: /$something/ { controller =

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I have the following UrlMapping in my Grails UrlMappings class:

  '/$something/' {       controller = 'controllerName'       action = 'actionName'       constraints {       }   }

Requests to both ‘/foobar/’ and ‘/foobar’ gets routed to the correct controller and action.

However, URL:s created using g:link does not end with slash (‘/’) as expected.

The GSP code …

<g:link controller='controllerName' action='actionName' params='[something: 'foobar']'>...</g:link>

… generates the HTML output …

<a href='/foobar'>...</a>

How do I make Grails generate the link as specified by the URL pattern? That is including the ending slash.

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1 Answer

  1. Unfortunately this is not possible with Grails’ default URL mapping. Slashes are handled in a special way. And this behaviour is hard-coded in the Grails core. It could be overridden using a plugin though.

    As a workaround (probably not applicable) I can provide to use it that way:

    <g:link uri='/foobar/'>Foo Link</g:link>

    This should produce a link with a trailing slash.

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