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 Post subject: Hibernate/Oracle sequence generator
PostPosted: Thu Sep 23, 2010 9:42 am 
Newbie

Joined: Thu Sep 23, 2010 9:29 am
Posts: 1
Hi,

I'm trying to configure a seqhilo generator for a Hibernate application on Oracle.

Code:
<id name="idTest" type="int">
           <column name="ID_TEST" precision="6" scale="0" />
           <generator class="sequence">
            <param name="sequence">S_TEST</param>
           </generator>
     </id>


I created a sequence(S_TEST) in oracle database 10g, Unfortunately its not working: the id is always null.

here is the generated sql trace:

Code:
08:52:44,441 DEBUG AnnotationTransactionAttributeSource:107 - Adding transactional method [create] with attribute [PROPAGATION_REQUIRED,ISOLATION_DEFAULT]
    08:52:44,441 DEBUG HibernateTransactionManager:346 - Using transaction object [org.springframework.orm.hibernate3.HibernateTransactionManager$HibernateTransactionObject@1786a3c]
    08:52:44,441 DEBUG HibernateTransactionManager:374 - Creating new transaction with name [com.cylande.utilities.GenericDAO.create]: PROPAGATION_REQUIRED,ISOLATION_DEFAULT
    08:52:44,472 DEBUG HibernateTransactionManager:496 - Opened new Session [org.hibernate.impl.SessionImpl@1bf68a9] for Hibernate transaction
    08:52:44,472 DEBUG HibernateTransactionManager:507 - Preparing JDBC Connection of Hibernate Session [org.hibernate.impl.SessionImpl@1bf68a9]
    08:52:44,487 DEBUG DriverManagerDataSource:163 - Creating new JDBC DriverManager Connection to [jdbc:oracle:thin:@localhost:1521:orcl]
    08:52:44,519 DEBUG HibernateTransactionManager:572 - Exposing Hibernate transaction as JDBC transaction [oracle.jdbc.driver.T4CConnection@8c7be5]
    08:52:44,519 DEBUG TransactionSynchronizationManager:186 - Bound value [org.springframework.jdbc.datasource.ConnectionHolder@11a0d35] for key [org.springframework.jdbc.datasource.DriverManagerDataSource@13b5a3a] to thread [main]
    08:52:44,519 DEBUG TransactionSynchronizationManager:186 - Bound value [org.springframework.orm.hibernate3.SessionHolder@12c4c57] for key [org.hibernate.impl.SessionFactoryImpl@1594a88] to thread [main]
    08:52:44,519 DEBUG TransactionSynchronizationManager:261 - Initializing transaction synchronization
    08:52:44,534 DEBUG TransactionInterceptor:290 - Getting transaction for [com.cylande.utilities.GenericDAO.create]
    08:52:44,534 DEBUG TransactionSynchronizationManager:142 - Retrieved value [org.springframework.orm.hibernate3.SessionHolder@12c4c57] for key [org.hibernate.impl.SessionFactoryImpl@1594a88] bound to thread [main]
    08:52:44,550 DEBUG SQL:102 - select categorie_.ID_CATEGORIE, categorie_.CATEGORIE as CATEGORIE9_ from AHMED.CATEGORIE categorie_ where categorie_.ID_CATEGORIE=?
    08:52:44,550 TRACE IntegerType:128 - binding '1' to parameter: 1
    08:52:44,550 TRACE StringType:170 - returning 'Test dintegration' as column: CATEGORIE9_
    08:52:44,550 DEBUG TransactionInterceptor:319 - Completing transaction for [com.cylande.utilities.GenericDAO.create]
    08:52:44,550 DEBUG HibernateTransactionManager:880 - Triggering beforeCommit synchronization
    08:52:44,550 DEBUG HibernateTransactionManager:893 - Triggering beforeCompletion synchronization
    08:52:44,550 DEBUG HibernateTransactionManager:707 - Initiating transaction commit
    08:52:44,566 DEBUG HibernateTransactionManager:651 - Committing Hibernate transaction on Session [org.hibernate.impl.SessionImpl@1bf68a9]
    08:52:44,566 DEBUG SQL:102 - insert into AHMED.TEST (ID_APPLICATION, ID_MODULE, ID_CATEGORIE, ID_PAGE, NOM_TEST, DESCRIPTION_TEST, ID_TEST) values (?, ?, ?, ?, ?, ?, ?)
    08:52:44,566 TRACE IntegerType:121 - binding null to parameter: 1
    08:52:44,566 TRACE IntegerType:121 - binding null to parameter: 2
    08:52:44,566 TRACE IntegerType:128 - binding '1' to parameter: 3
    08:52:44,566 TRACE IntegerType:121 - binding null to parameter: 4
    08:52:44,566 TRACE StringType:128 - binding 'nomTest2' to parameter: 5
    08:52:44,566 TRACE IntegerType:128 - binding '0' to parameter: 7
    08:52:44,581  WARN JDBCExceptionReporter:77 - SQL Error: 1, SQLState: 23000
    08:52:44,581 ERROR JDBCExceptionReporter:78 - ORA-00001: violation de contrainte unique


Note:the field that must be generated (id_Test) is always equal to zero...
in order to debug the issue i run that query: select S_TEST.nextval from dual and the result is incremented at each call.

i need your help :(


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