org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]

Question

I am developing a web application using Hibernate framework. I got this error when trying to run webapp.

Error Console:

Answer 1

You should explicitly define no-arg constructor. This is a requirement from Hibernate to all POJOs.

Detailed explanation could be found here: https://stackoverflow.com/a/2971717/283426