Suite au developpement d'une petite application qui utilise gwt hibernate, j'ai installé hibernate tools dans eclipse et j'ai crée le fichier de config+mapping mais à l'execution pour inserer dans la BD j'ai eu cette erreur :

12 [btpool0-4] INFO org.hibernate.cfg.Environment - Hibernate 3.3.2.GA
15 [btpool0-4] INFO org.hibernate.cfg.Environment - hibernate.properties not found
18 [btpool0-4] INFO org.hibernate.cfg.Environment - Bytecode provider name : javassist
21 [btpool0-4] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling
87 [btpool0-4] INFO org.hibernate.cfg.Configuration - configuring from resource: /hibernate.cfg.xml
87 [btpool0-4] INFO org.hibernate.cfg.Configuration - Configuration resource: /hibernate.cfg.xml
140 [btpool0-4] INFO org.hibernate.cfg.Configuration - Reading mappings from resource : com/model/Personne.hbm.xml
208 [btpool0-4] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.model.Personne -> PERSONNE
220 [btpool0-4] INFO org.hibernate.cfg.Configuration - Configured SessionFactory: null
269 [btpool0-4] INFO org.hibernate.connection.DriverManagerConnectionProvider - Using Hibernate built-in connection pool (not for production use!)
269 [btpool0-4] INFO org.hibernate.connection.DriverManagerConnectionProvider - Hibernate connection pool size: 20
269 [btpool0-4] INFO org.hibernate.connection.DriverManagerConnectionProvider - autocommit mode: false
274 [btpool0-4] INFO org.hibernate.connection.DriverManagerConnectionProvider - using driver: net.sourceforge.jtds.jdbc.Driver at URL: jdbc:jtds:sqlserver://localhost:1433/Testt
274 [btpool0-4] INFO org.hibernate.connection.DriverManagerConnectionProvider - connection properties: {user=user, password=****}
335 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - RDBMS: Microsoft SQL Server, version: 10.00.4000
335 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - JDBC driver: jTDS Type 4 JDBC Driver for MS SQL Server, version: 0.8
360 [btpool0-4] INFO org.hibernate.dialect.Dialect - Using dialect: org.hibernate.dialect.SQLServerDialect
366 [btpool0-4] INFO org.hibernate.transaction.TransactionFactoryFactory - Using default transaction strategy (direct JDBC transactions)
368 [btpool0-4] INFO org.hibernate.transaction.TransactionManagerLookupFactory - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
368 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Automatic flush during beforeCompletion(): disabled
368 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Automatic session close at end of transaction: disabled
369 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Scrollable result sets: enabled
369 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - JDBC3 getGeneratedKeys(): enabled
369 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Connection release mode: auto
370 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Default schema: Testt
370 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Default batch fetch size: 1
370 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Generate SQL with comments: disabled
370 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Order SQL updates by primary key: disabled
370 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Order SQL inserts for batching: disabled
370 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
371 [btpool0-4] INFO org.hibernate.hql.ast.ASTQueryTranslatorFactory - Using ASTQueryTranslatorFactory
371 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Query language substitutions: {}
371 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - JPA-QL strict compliance: disabled
371 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Second-level cache: enabled
371 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Query cache: disabled
371 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Cache region factory : org.hibernate.cache.impl.NoCachingRegionFactory
371 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Optimize cache for minimal puts: disabled
372 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Structured second-level cache entries: disabled
375 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Statistics: disabled
375 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Deleted entity synthetic identifier rollback: disabled
375 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Default entity-mode: pojo
375 [btpool0-4] INFO org.hibernate.cfg.SettingsFactory - Named query checking : enabled
419 [btpool0-4] INFO org.hibernate.impl.SessionFactoryImpl - building session factory
900 [btpool0-4] INFO org.hibernate.impl.SessionFactoryObjectFactory - Not binding factory to JNDI, no JNDI name configured
1026 [btpool0-4] WARN org.hibernate.util.JDBCExceptionReporter - SQL Error: 208, SQLState: 42S02
1026 [btpool0-4] ERROR org.hibernate.util.JDBCExceptionReporter - Nom d'objet 'Testt.PERSONNE' non valide.
1026 [btpool0-4] WARN org.hibernate.util.JDBCExceptionReporter - SQL Error: 0, SQLState: HY000
1026 [btpool0-4] ERROR org.hibernate.util.JDBCExceptionReporter - Unspecified error returned.
1027 [btpool0-4] ERROR org.hibernate.event.def.AbstractFlushingEventListener - Could not synchronize database state with session
org.hibernate.exception.SQLGrammarException: could not insert: [com.model.Personne]
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:90)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
priére si quelqu'un a rencontré la meme erreur de m'expliquer d'ou vient cette derniére.
Merci