JSF Updating Composite Component (Primefaces)

Question

I have the following UI Primefaces snippet:

Answer 1

It's because composite components inherently extend from UINamingContainer (like as , , etc) and thus prepend the client ID of their children with own ID.

To achieve your particular functional requirement, first give your composite component a fixed ID:

Then embed the in the composite component's implementation in a plain HTML container element like

or with the composite component's client ID as element ID:

Now you can just use update=":growl" the usual way.

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