JTOpen 2.0 problem -- JAVA400-L

Hello,
following error with JTOpen 2.0 (The application work fine with the JTOpen
shipped with VAJ Enterprise).
(There is no data truncation...)

com.ibm.vap.common.VapPrepareFailureException: Prepare failure; nested 
exception is:
        java.sql.DataTruncation: Data truncation
com.ibm.vap.common.VapPrepareFailureException: Prepare failure; nested 
exception is:
        java.sql.DataTruncation: Data truncation
java.sql.DataTruncation: Data truncation at 
com.ibm.as400.access.AS400JDBCPreparedStatement.testDataTruncationAS400JDBCPreparedStatement.java:1891)
        at
com.ibm.as400.access.AS400JDBCPreparedStatement.setValue(AS400JDBCPreparedStatement.java:1871)
        at
com.ibm.as400.access.AS400JDBCPreparedStatement.setObject(AS400JDBCPreparedStatement.java:1551)
        at
com.ibm.ivj.db.base.DatabaseStringField.setFieldObject(DatabaseStringField.java)
        at
com.ibm.ivj.db.base.DatabaseTypeField.setObject(DatabaseTypeField.java)
        at
com.ibm.ivj.db.base.DatabaseConnection.setInputValues(DatabaseConnection.java)
        at
com.ibm.ivj.db.base.DatabaseConnection.executeQuerySpecWithValues(DatabaseConnection.java)
        at
com.ibm.ivj.db.base.DatabaseQuerySpec.executeOnConnection(DatabaseQuerySpecjava)
        at
com.ibm.vap.RelationalPersistence.SqlQuery.executeNonSelectWith(SqlQuery.java)
        at
com.ibm.vap.RelationalPersistence.SqlQuery.execute(SqlQuery.java)
        at
com.ibm.vap.RelationalPersistence.SqlQuery.execute(SqlQuery.java)
        at
com.ibm.vap.RelationalPersistence.RelationalServiceObject.executeQuery(RelationalServiceObject.java)
        at
com.ibm.vap.RelationalPersistence.RelationalServiceObject.executeOneInsert(RelationalServiceObject.java)
        at
com.ibm.vap.RelationalPersistence.RelationalServiceObject.executeInsert(RelationalServiceObject.java)
        at com.ibm.vap.Persistence.ServiceObject.insert(ServiceObject.java)
        at com.ibm.vap.Persistence.ServiceObject.insert(ServiceObject.java)
        at 
com.ibm.vap.Persistence.PersistentHomeCollection.executeInsert(PersistentHomeCollection.java)
        at
com.ibm.vap.Persistence.NewPersistentState.synchronize(NewPersistentState.java)
        at com.ibm.vap.Transactions.Version.synchronize(Version.java)
        at
com.ibm.vap.Persistence.Resource.synchronizeVersions(Resource.java)
        at com.ibm.vap.Persistence.Resource.primPrepare(Resource.java)
        at
com.ibm.vap.Persistence.ActiveResourceState.prepare(ActiveResourceState.java)
        at com.ibm.vap.Persistence.Resource.prepare(Resource.java)
        at
com.ibm.vap.Persistence.ResourceManager.prepareResources(ResourceManager.java)
        at
com.ibm.vap.Persistence.ResourceManager.synchronize(ResourceManager.java)
        at
com.ibm.vap.Transactions.Transaction.synchronizeToResources(Transaction.java)
        at
com.ibm.vap.Transactions.Transaction.primCommit(Transaction.java)
        at
com.ibm.vap.Transactions.ActiveTransactionState.primCommit(ActiveTransactionState.java)
        at
com.ibm.vap.Transactions.ActiveTransactionState.commit(ActiveTransactionState.java)
        at com.ibm.vap.Transactions.Transaction.commit(Transaction.java)


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    <font color="#3333FF"><a href="http://www.sisa.ch">SISA Studio Informatica 
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