How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throws an error / not usable

Question

I\'m trying to upload a file using PrimeFaces, but the fileUploadListener method isn\'t being invoked after the upload finishes.

Here is the view:

Answer 1

With JBoss 7.2(Undertow) and PrimeFaces 6.0 org.primefaces.webapp.filter.FileUploadFilter should be removed from web.xml and context param file uploader should be set to native:

    primefaces.UPLOADER
    native