Primefaces selectCheckboxMenu erratic behavior when deselecting individual checkboxes
问题 In an application based on jsf 2.1 and Primefaces 6.1.5, I have difficulties implementing a <p:selectCheckboxMenu I simplified the code according to the instructions here How to create a Minimal, Complete, and Verifiable example My code now looks quite similar to the code in the Primefaces Showcase. Primefaces Showcase After much analyzing, I can describe 'erratic' a bit better. When deselecting an item, the item following it is affected. The last item is not affected at all. And the first