[ ] IssueBook has a variable for the User, which would have the user name and phone, so I don't see a reason for name and phone to be be variables on IssueBook.
[ ] Is there a problem with the issue_Date? It's commented out?
[ ] LocalDateAttributeConverter.java this shouldn't be necessary with Hibernate 5
[ ] Good job starting with the generic dao. If this is working, you should be able to remove your User and IssueBook Daos, and just use the generic dao!