javaee hibernate error

18-dic-2012 0.03.35 org.hibernate.annotations.common.Version <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final}
18-dic-2012 0.03.35 org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.1.4.Final}
18-dic-2012 0.03.35 org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
18-dic-2012 0.03.35 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
18-dic-2012 0.03.35 org.hibernate.cfg.Configuration configure
INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
18-dic-2012 0.03.35 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
18-dic-2012 0.03.35 org.hibernate.cfg.Configuration addResource
INFO: HHH000221: Reading mappings from resource: sor/hibernate/Hitest.hbm.xml
18-dic-2012 0.03.36 org.hibernate.cfg.Configuration doConfigure
INFO: HHH000041: Configured SessionFactory: null
18-dic-2012 0.03.36 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000402: Using Hibernate built-in connection pool (not for production use!)
18-dic-2012 0.03.36 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000115: Hibernate connection pool size: 20
18-dic-2012 0.03.36 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000006: Autocommit mode: false
18-dic-2012 0.03.36 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/test]
18-dic-2012 0.03.36 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000046: Connection properties: {user=root, password=****}
18-dic-2012 0.03.37 org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect
18-dic-2012 0.03.37 org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreation
INFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4
18-dic-2012 0.03.37 org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService
INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)
18-dic-2012 0.03.37 org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>
INFO: HHH000397: Using ASTQueryTranslatorFactory
18-dic-2012 0.03.37 org.hibernate.validator.util.Version <clinit>
INFO: Hibernate Validator bean-validator-3.0-JBoss-4.0.2
%%%% Error Creating SessionFactory %%%%
org.hibernate.HibernateException: Error applying BeanValidation relational constraints
	at org.hibernate.cfg.beanvalidation.BeanValidationIntegrator.applyRelationalConstraints(BeanValidationIntegrator.java:219)
	at org.hibernate.cfg.beanvalidation.BeanValidationIntegrator.integrate(BeanValidationIntegrator.java:126)
	at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:306)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1744)
	at sor.hibernate.HibernateSessionFactory.<clinit>(HibernateSessionFactory.java:34)
	at sor.hibernate.BaseHibernateDAO.getSession(BaseHibernateDAO.java:13)
	at sor.hibernate.HitestTest.main(HitestTest.java:15)
Caused by: java.lang.reflect.InvocationTargetException
	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.cfg.beanvalidation.BeanValidationIntegrator.applyRelationalConstraints(BeanValidationIntegrator.java:208)
	... 6 more
Caused by: org.hibernate.HibernateException: Unable to build the default ValidatorFactory
	at org.hibernate.cfg.beanvalidation.TypeSafeActivator.getValidatorFactory(TypeSafeActivator.java:524)
	at org.hibernate.cfg.beanvalidation.TypeSafeActivator.applyDDL(TypeSafeActivator.java:119)
	... 11 more
Caused by: javax.validation.ValidationException: Unable to instantiate Configuration.
	at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:272)
	at javax.validation.Validation.buildDefaultValidatorFactory(Validation.java:111)
	at org.hibernate.cfg.beanvalidation.TypeSafeActivator.getValidatorFactory(TypeSafeActivator.java:521)
	... 12 more
Caused by: java.lang.NullPointerException
	at java.util.ResourceBundle.getBundle(ResourceBundle.java:960)
	at org.hibernate.validator.engine.ResourceBundleMessageInterpolator.loadBundle(ResourceBundleMessageInterpolator.java:202)
	at org.hibernate.validator.engine.ResourceBundleMessageInterpolator.getFileBasedResourceBundle(ResourceBundleMessageInterpolator.java:182)
	at org.hibernate.validator.engine.ResourceBundleMessageInterpolator.<init>(ResourceBundleMessageInterpolator.java:81)
	at org.hibernate.validator.engine.ResourceBundleMessageInterpolator.<init>(ResourceBundleMessageInterpolator.java:73)
	at org.hibernate.validator.engine.ConfigurationImpl.<init>(ConfigurationImpl.java:57)
	at org.hibernate.validator.HibernateValidator.createGenericConfiguration(HibernateValidator.java:43)
	at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:269)
	... 14 more
18-dic-2012 0.03.37 org.hibernate.cfg.Configuration configure
INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
18-dic-2012 0.03.37 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
18-dic-2012 0.03.37 org.hibernate.cfg.Configuration addResource
INFO: HHH000221: Reading mappings from resource: sor/hibernate/Hitest.hbm.xml
18-dic-2012 0.03.37 org.hibernate.cfg.Configuration doConfigure
INFO: HHH000041: Configured SessionFactory: null
18-dic-2012 0.03.37 org.hibernate.cfg.Configuration$MappingsImpl addImport
INFO: HHH000071: Duplicate import: sor.hibernate.Hitest -> sor.hibernate.Hitest
18-dic-2012 0.03.37 org.hibernate.cfg.Configuration$MappingsImpl addImport
INFO: HHH000071: Duplicate import: sor.hibernate.Hitest -> Hitest
%%%% Error Creating SessionFactory %%%%
org.hibernate.InvalidMappingException: Could not parse mapping document from resource sor/hibernate/Hitest.hbm.xml
	at org.hibernate.cfg.Configuration$MetadataSourceQueue.processHbmXml(Configuration.java:3409)
	at org.hibernate.cfg.Configuration$MetadataSourceQueue.processHbmXmlQueue(Configuration.java:3398)
	at org.hibernate.cfg.Configuration$MetadataSourceQueue.processMetadata(Configuration.java:3386)
	at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1341)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1731)
	at sor.hibernate.HibernateSessionFactory.rebuildSessionFactory(HibernateSessionFactory.java:73)
	at sor.hibernate.HibernateSessionFactory.getSession(HibernateSessionFactory.java:55)
	at sor.hibernate.BaseHibernateDAO.getSession(BaseHibernateDAO.java:13)
	at sor.hibernate.HitestTest.main(HitestTest.java:15)
Caused by: org.hibernate.DuplicateMappingException: Duplicate class/entity mapping sor.hibernate.Hitest
	at org.hibernate.cfg.Configuration$MappingsImpl.addClass(Configuration.java:2574)
	at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:172)
	at org.hibernate.cfg.Configuration$MetadataSourceQueue.processHbmXml(Configuration.java:3406)
	... 8 more
Exception in thread "main" java.lang.NullPointerException
	at sor.hibernate.HitestTest.main(HitestTest.java:16)