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Editorial Team
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Asked: 2026-05-24T20:48:52+00:00

I have two dependent dropdowns on a JSF page that work fine. I use

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I have two dependent dropdowns on a JSF page that work fine. I use a valueChangeListener on the first dropdown that populates the List backing the second dropdown.

However when I try to submit my form it’s failing JSF validation. From testing I think the problem is that when the page loads my dependent dropdown list is empty, then I populate it after the first dropdown has a selection made. However none of the values now in the dependent list were in the list when the page loaded so it’s fails validation. I have confirmed this by using a constructor to set up the list with all the possible values when the page loads and it makes my problem go away however this isn’t a possible solution as loading up all the values would kill the performance of my page.

Any ideas how I can get it working?

Regards,
Kevin.

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1 Answer

  1. Editorial Team

    This is EXACTLY the use case for a view scoped bean. Using a request scoped bean in such case is going against the grain of JSF (possible, but painful – like using a hedgehog as a bath sponge).

    If there are any problems with such solutions, then tell us, there should be a way of mitigating them; the point is, you should use the view scope and solve any problems you might have with that, and not try to run away from it.

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