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Editorial Team
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Asked: 2026-05-17T18:05:48+00:00

The <g:link controller=foo action=bar>foobar</g:link> tag sometimes works, that is is renders as <a href=grailsapp/foo/bar>foobar</a>

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The 

<g:link controller="foo" action="bar">foobar</g:link>

tag sometimes works, that is is renders as

<a href="grailsapp/foo/bar">foobar</a>

and sometimes it doesn’t. In this case I’ll get a

<a href="grailsapp/">foobar</a>

Does anyone know what conditions cause this tag to fail to expand? Also is there any way to debug the tag expansion logic?

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1 Answer

  1. Editorial Team

    This might not solve your problem or everyone else’s, but I had this same problem occur for me. I had a /mywebapp/session/login URL that I wanted to link to, but <g:link controller="session" action="login"> just resolved to /mywebapp/.

    But it turns out that I had mapped my context root “/” to show the login page. I had thought it would redirect, but really it exposed the Session.login page at “/”. So, when grails was told to create a link to go to Session.login, the simplest link it could come up with that would take me there was “/”. So “/” was correct after all.

    If you still can’t get it working, but you still need a way to generate links relative to your context root, you can use <a href="${createLink(uri: '/foo/bar')}">

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