Discussion :

[mouss4rs]

bonsoir,

j'ai une erreur qui m'énerve vraiment car je la retrouve a chaque fois mais je trouve pas la solution.
La voici si quelqu'un a une idée:

Code :

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log4j:WARN No appenders could be found for logger (org.hibernate.cfg.annotations.Version).
log4j:WARN Please initialize the log4j system properly.
Exception in thread "main" javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could not get next sequence value
	at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:630)
	at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:219)
	at ControlleurMD.Creation.main(Creation.java:29)
Caused by: org.hibernate.exception.SQLGrammarException: could not get next sequence value
	at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:67)
	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
	at org.hibernate.id.SequenceGenerator.generate(SequenceGenerator.java:96)
	at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:99)
	at org.hibernate.ejb.event.EJB3PersistEventListener.saveWithGeneratedId(EJB3PersistEventListener.java:49)
	at org.hibernate.event.def.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:131)
	at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:87)
	at org.hibernate.event.def.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:38)
	at org.hibernate.impl.SessionImpl.firePersist(SessionImpl.java:618)
	at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:592)
	at org.hibernate.impl.SessionImpl.persist(SessionImpl.java:596)
	at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:213)
	... 1 more
Caused by: org.postgresql.util.PSQLException: ERROR: relation "hibernate_sequence" does not exist
	at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1559)
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1327)
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:193)
	at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:452)
	at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:351)
	at org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:255)
	at org.hibernate.id.SequenceGenerator.generate(SequenceGenerator.java:75)
	... 10 more

bon, je vais me coucher il se fait tard espérant que ...

[mouss4rs]

reponse:
<property name="hibernate.hbm2ddl.auto" value="update"/>