How to silently truncate strings while storing them when they are longer than the column length definition?

Question

I have a web app, using EclipseLink and MySQL for storing data. Some of these data are strings, ie varchars in the DB. In the code of entities, the strings have attributes

Answer 1

You can set your database to work in a non strict mode as explained here: Automatically trimming length of string submitted to MySQL

Note that it might cancel other validations too so be careful in what you wish for