ConstraintViolationException « Map « JPA Q&A

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1. derby + hibernate ConstraintViolationException using manytomany relationships    stackoverflow.com

I'm new to Hibernate+Derby... I've seen this issue mentioned throughout the google, but have not seen a proper resolution. This following code works fine with mysql, but when I try this on ...

2. javax.validation.ConstraintViolationException with jpa over hibernate mapping    stackoverflow.com

I have an issue with JPA One to many mapping that seems to be a common problem, however I have tried all suggestions I have come across with no success. I have ...

3. org.hibernate.exception.ConstraintViolationException    stackoverflow.com

i am making a sample program of one to one relationship using this example: http://www.vaannila.com/hibernate/hibernate-example/hibernate-mapping-one-to-one-1.html i have posted my issue here: https://forum.hibernate.org/viewtopic.php?f=1&t=1012213&sid=c5fbdb45da9978ed0a0e7d18dc32db53 please help.

4. org.hibernate.exception.ConstraintViolationException    stackoverflow.com

i am making a sample program using this link i have following tables in sqlserver: 

`CREATE TABLE Student2(
STUDENT_ID int NOT NULL,
LastName varchar(255) NOT NULL,
STUDENT_NAME varchar(255),
STUDENT_ADDRESS int,
UNIQUE (STUDENT_ADDRESS))

CREATE TABLE Address2(
ADDRESS_ID int NOT ...