I suggest updating the EE7 references to EE8 too, which affects following:

• examples are meant to run on any Java EE 7 container - update to EE8
• examples use JSF 2.2. - update to JSF 2.3 (docs+poms)
• references to GlassFish 4 - update to 5

Matej Novotny, WDYT?