Apply roo recommandations :
It is recommended to use @DateTimeFormat(style="M-") on
java.util.Date.publicationDate to use automatic date conversion in
Spring MVC
It is recommended to use @DateTimeFormat(style="M-") on
java.util.Date.start to use automatic date conversion in Spring MVC
It is recommended to use @DateTimeFormat(style="M-") on
java.util.Date.end to use automatic date conversion in Spring MVC