startup « Schema « JPA Q&A





1. Hibernate/JPA not validating against DB schema on startup    stackoverflow.com

For some reason hibernate is not catching issues like mapping entities to tables that do not exist. My persistence.xml file looks like this...

<?xml version="1.0" encoding="UTF-8" ?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
    ...

2. How to prevent (db schema to Entity) checks on startup.    forum.hibernate.org

Hi all, hope you can help. Basically, I need my tomcat to startup even when the Entity beans in the application don't correctly correspond to the database schema. Is this at all possible, and if so how? I understand this is probably an unusual requirement but let me explain: I have a service that is rather busy (on average 50 000 ...

3. Drop and re-create the database schema on startup    forum.hibernate.org

SpectraLoader.java loads spectra into the db, SpectraView.java lists spectra already in the db. If I run SpectraLoader, then SpectraView, my table SPECTRA is created and populated by SpectraLoader, then recreated and printed (nothing!) by SpectraView ;-( I would insert some lines of code into SpectraView to check if the table SPECTRA already exists. If no, create, if yes, update. I'm not ...

4. create schema on first startup    forum.hibernate.org

Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp [b]Hibernate version:.3.2 Hi, I have problem when start my hibernate application for the first time. I want create Db or Db schema if these not exist. In the hibernate configuration file, if I use the property create the application drop and re-create the schema every starup. If I try to ...