Problema com backup do banco

Pessoal, estou desenvolvendo uma aplicação utilizando hibernate, o mapeamento está correto porque já faço todas as operações no banco até algumas consultas personalizadas.

O problema é, quando eu estou no trabalho eu salvo o banco e levo o arquivo.sql pra casa onde restauro e continuo o trabalhando, ai acontece um monte de erro do tipo desse abaixo, só que, o mais estranho é quando eu tento inserir, insere na boa, já as outras operações nao funcionam, agora eu estando lá no trabalho tudo funciona blz, alguém já viu isso?

Só dá pau quando restauro o banco em um lugar e levo pra outro.

Estou utilizando o MySQL 5.0 com o GuiTools

10/02/2009 20:27:10 org.hibernate.cfg.annotations.Version <clinit>
INFO: Hibernate Annotations 3.3.1.GA
10/02/2009 20:27:10 org.hibernate.cfg.Environment <clinit>
INFO: Hibernate 3.2.5
10/02/2009 20:27:10 org.hibernate.cfg.Environment <clinit>
INFO: hibernate.properties not found
10/02/2009 20:27:10 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: Bytecode provider name : cglib
10/02/2009 20:27:10 org.hibernate.cfg.Environment <clinit>
INFO: using JDK 1.4 java.sql.Timestamp handling
10/02/2009 20:27:10 org.hibernate.cfg.Configuration configure
INFO: configuring from resource: hibernate.cfg.xml
10/02/2009 20:27:10 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: Configuration resource: hibernate.cfg.xml
10/02/2009 20:27:10 org.hibernate.cfg.Configuration addResource
INFO: Reading mappings from resource : Dizimista.hbm.xml
10/02/2009 20:27:10 org.hibernate.cfg.Configuration doConfigure
INFO: Configured SessionFactory: null
10/02/2009 20:27:10 org.hibernate.cfg.HbmBinder bindRootPersistentClassCommonValues
INFO: Mapping class: modelo.Dizimista -> Dizimista
10/02/2009 20:27:10 org.hibernate.cfg.AnnotationConfiguration secondPassCompile
INFO: Hibernate Validator not found: ignoring
10/02/2009 20:27:10 org.hibernate.connection.DriverManagerConnectionProvider configure
INFO: Using Hibernate built-in connection pool (not for production use!)
10/02/2009 20:27:11 org.hibernate.connection.DriverManagerConnectionProvider configure
INFO: Hibernate connection pool size: 20
10/02/2009 20:27:11 org.hibernate.connection.DriverManagerConnectionProvider configure
INFO: autocommit mode: false
10/02/2009 20:27:11 org.hibernate.connection.DriverManagerConnectionProvider configure
INFO: using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost:3306/paroquia
10/02/2009 20:27:11 org.hibernate.connection.DriverManagerConnectionProvider configure
INFO: connection properties: {user=root, password=****}
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: RDBMS: MySQL, version: 5.0.27-community-nt
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC driver: MySQL-AB JDBC Driver, version: mysql-connector-java-5.1.6 ( Revision: ${svn.Revision} )
10/02/2009 20:27:11 org.hibernate.dialect.Dialect <init>
INFO: Using dialect: org.hibernate.dialect.MySQLDialect
10/02/2009 20:27:11 org.hibernate.transaction.TransactionFactoryFactory buildTransactionFactory
INFO: Using default transaction strategy (direct JDBC transactions)
10/02/2009 20:27:11 org.hibernate.transaction.TransactionManagerLookupFactory getTransactionManagerLookup
INFO: No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic flush during beforeCompletion(): disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Automatic session close at end of transaction: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch size: 15
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC batch updates for versioned data: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Scrollable result sets: enabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JDBC3 getGeneratedKeys(): enabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Connection release mode: auto
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Maximum outer join fetch depth: 2
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default batch fetch size: 1
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Generate SQL with comments: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL updates by primary key: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Order SQL inserts for batching: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory createQueryTranslatorFactory
INFO: Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
10/02/2009 20:27:11 org.hibernate.hql.ast.ASTQueryTranslatorFactory <init>
INFO: Using ASTQueryTranslatorFactory
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query language substitutions: {}
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: JPA-QL strict compliance: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Second-level cache: enabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Query cache: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory createCacheProvider
INFO: Cache provider: org.hibernate.cache.NoCacheProvider
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Optimize cache for minimal puts: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Structured second-level cache entries: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Statistics: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Deleted entity synthetic identifier rollback: disabled
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Default entity-mode: pojo
10/02/2009 20:27:11 org.hibernate.cfg.SettingsFactory buildSettings
INFO: Named query checking : enabled
10/02/2009 20:27:11 org.hibernate.impl.SessionFactoryImpl <init>
INFO: building session factory
10/02/2009 20:27:12 org.hibernate.impl.SessionFactoryObjectFactory addInstance
INFO: Not binding factory to JNDI, no JNDI name configured
Exception occurred during event dispatching:
org.hibernate.PropertyAccessException: Null value was assigned to a property of primitive type setter of modelo.Dizimista.jan
        at org.hibernate.property.BasicPropertyAccessor$BasicSetter.set(BasicPropertyAccessor.java:85)
        at org.hibernate.tuple.entity.AbstractEntityTuplizer.setPropertyValues(AbstractEntityTuplizer.java:337)
        at org.hibernate.tuple.entity.PojoEntityTuplizer.setPropertyValues(PojoEntityTuplizer.java:200)
        at org.hibernate.persister.entity.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:3566)
        at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:129)
        at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:854)
        at org.hibernate.loader.Loader.doQuery(Loader.java:729)
        at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)
        at org.hibernate.loader.Loader.doList(Loader.java:2220)
        at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104)
        at org.hibernate.loader.Loader.list(Loader.java:2099)
        at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:378)
        at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:338)
        at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:172)
        at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1121)
        at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
        at modelo.OperacoesDoBanco.pesquisaTodos(OperacoesDoBanco.java:76)
        at controle.Main.listaTodos(Main.java:25)
        at visao.MetodosUteis.preencheTabelaDizimistas(MetodosUteis.java:108)
        at visao.TelaPrincipal.jbPesquisar3ActionPerformed(TelaPrincipal.java:635)
        at visao.TelaPrincipal.access$600(TelaPrincipal.java:17)
        at visao.TelaPrincipal$7.actionPerformed(TelaPrincipal.java:442)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
        at java.awt.Component.processMouseEvent(Component.java:6134)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3265)
        at java.awt.Component.processEvent(Component.java:5899)
        at java.awt.Container.processEvent(Container.java:2023)
        at java.awt.Component.dispatchEventImpl(Component.java:4501)
        at java.awt.Container.dispatchEventImpl(Container.java:2081)
        at java.awt.Component.dispatchEvent(Component.java:4331)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4301)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3965)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3895)
        at java.awt.Container.dispatchEventImpl(Container.java:2067)
        at java.awt.Window.dispatchEventImpl(Window.java:2458)
        at java.awt.Component.dispatchEvent(Component.java:4331)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
        at java.awt.Dialog$1.run(Dialog.java:1047)
        at java.awt.Dialog$3.run(Dialog.java:1099)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.awt.Dialog.show(Dialog.java:1097)
        at java.awt.Component.show(Component.java:1447)
        at java.awt.Component.setVisible(Component.java:1400)
        at java.awt.Window.setVisible(Window.java:824)
        at java.awt.Dialog.setVisible(Dialog.java:987)
        at visao.MetodosUteis.configuraJDialog(MetodosUteis.java:75)
        at visao.TelaPrincipal.iControleDizimoActionPerformed(TelaPrincipal.java:571)
        at visao.TelaPrincipal.access$700(TelaPrincipal.java:17)
        at visao.TelaPrincipal$9.actionPerformed(TelaPrincipal.java:552)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
        at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:337)
        at javax.swing.plaf.basic.BasicMenuItemUI$Actions.actionPerformed(BasicMenuItemUI.java:1194)
        at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1636)
        at javax.swing.JComponent.processKeyBinding(JComponent.java:2849)
        at javax.swing.JMenuBar.processBindingForKeyStrokeRecursive(JMenuBar.java:670)
        at javax.swing.JMenuBar.processBindingForKeyStrokeRecursive(JMenuBar.java:678)
        at javax.swing.JMenuBar.processBindingForKeyStrokeRecursive(JMenuBar.java:678)
        at javax.swing.JMenuBar.processKeyBinding(JMenuBar.java:649)
        at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:267)
        at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:254)
        at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2926)
        at javax.swing.SwingUtilities.processKeyBindings(SwingUtilities.java:1551)
        at javax.swing.UIManager$2.postProcessKeyEvent(UIManager.java:1464)
        at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:714)
        at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:969)
        at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:841)
        at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:668)
        at java.awt.Component.dispatchEventImpl(Component.java:4373)
        at java.awt.Container.dispatchEventImpl(Container.java:2081)
        at java.awt.Window.dispatchEventImpl(Window.java:2458)
        at java.awt.Component.dispatchEvent(Component.java:4331)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: java.lang.IllegalArgumentException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.hibernate.property.BasicPropertyAccessor$BasicSetter.set(BasicPropertyAccessor.java:42)
        ... 88 more
CONSTRUÍDO COM SUCESSO (tempo total: 13 segundos)