ConstraintViolationException « Batch « JPA Q&A

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1. org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update    stackoverflow.com

Hi Friends, I am new to this forum. I am facing a strange problem. I get below mentioned stack trace though the data gets inserted successfully. 

Hibernate: select attendee_.attendeeId, attendee_.attendeeName as ...

2. org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update    stackoverflow.com

In my module that I'm working on, I got this error, which is said caused by org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update and java.sql.BatchUpdateException (the full stack trace is in here ...

3. Hibernate batch updates with constraintviolationexception    stackoverflow.com

I'm updating a very large number of objects in batches and want to ignore any duplicates. What is the best way of doing this? My understanding is that if a ConstrainViolationException is ...