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

For people using Tomee or Tomcat and can't get it working, try to create context.xml in META-INF and add allowCasualMultipartParsing="true"