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Editorial Team
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Asked: 2026-05-23T14:37:30+00:00

I’m trying to write some custom Facelets 2.0 tags, after several hours work, I

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I’m trying to write some custom Facelets 2.0 tags, after several hours work, I found that my UIInput subclass is not even instantiated. Then, I changed the actual namespace to something like:

<html xmlns:my="http://bad-namespace">
...
<my:foo />
</html>

You see, now my points to an non-existing namespace http://bad-namespace which should raise something error, however, no exception raised, <my:foo /> is just silently skipped!

So, I can’t make my tag work, and I can’t see any error, too. I have just no idea what to do. I’m new to develop custom Facelets 2.0 tags, though. I have googled tutorials on Facelets 2.0 custom tags, but didn’t get much information, mostly are focused on the old JSF 1.2.

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1 Answer

  1. Editorial Team

    I checked and MyFaces does not show anything. This seems to be a good feature to add on MyFaces. In theory it is valid to put namespaces and pass it to the generated document, so it is not a bug, but in practice a warning on dev time does not harm. I created this issue for you MYFACES-3215, to deal with it, so stay tuned with MyFaces Users and Dev Lists because this will be added in future releases.

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