JSF using EL to test global messages presence

Question

I\'m trying to display a block only if there are Global messages in the JSF Queue.

I tried to use rendered=\"#{not empty facesContext.getMessageList(null)}\"

Answer 1

no need for custom EL function

try this

rendered="#{not empty facesContext.messageList}"

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EDIT

Haven't tried it myself , but try

rendered="#{not empty facesContext.messageList(null)}"

An idea...

 rendered="#{not facesContext.validationFailed and not empty facesContext.messageList}"