Erro na inserção de dados da minha app WEb

Front-end
#1

Pessoal, estou aprendendo java e fiz um obj para minha aplicação web ( com hibernate )

Mas esta com erro… o que poderia estar acontecendo ?

Valeu

Classe Usuarios :

[code]package Usuarios;

import java.io.Serializable;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import org.hibernate.annotations.CollectionId;
import org.hibernate.annotations.CollectionOfElements;
import org.hibernate.annotations.IndexColumn;
import org.hibernate.annotations.MapKey;
import org.hibernate.annotations.Type;

@Entity
@Table(name=“Usuarios”)
public class Usuarios implements Serializable
{
@Id
@SequenceGenerator(name=“generator_usuarios”,sequenceName=“sequence_usuarios”)
@GeneratedValue(generator=“generator_usuarios”)
@Column(name=“usu_cod”)
private Integer usu_cod;

@Column(name="usu_nome",length=30, nullable=false)
private String usu_nome;
@Column(name="usu_senha",length=10, nullable=false)
private String usu_senha;

public Integer getcod() {
    return usu_cod;
}
public void setCod(Integer cod) {
    this.usu_cod = cod;
}

public String getNome() {
    return usu_nome;
}
public void setNome(String nome) {
    this.usu_nome= nome;
}
public String getSenha() {
    return usu_senha;
}
public void setSenha(String senha) {
    this.usu_senha = senha;
}

}[/code]

Classe Gravausuarios:

[code]package Usuarios;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.swing.;
import org.hibernate.;
import org.hibernate.cfg.AnnotationConfiguration;

public class GravaUsuarios
{
public static void main(String [] args)
{
try
{
AnnotationConfiguration cfg = new AnnotationConfiguration();
cfg.addAnnotatedClass(Usuarios.class);
SessionFactory fabrica = cfg.buildSessionFactory();
Session sessao = fabrica.openSession();
Usuarios obj_usuarios = new Usuarios();
obj_usuarios.setNome(“TESTE”);
obj_usuarios.setSenha(“TESTE”);
Transaction tx_usuarios = sessao.beginTransaction();
sessao.save(obj_usuarios);
tx_usuarios.commit();
sessao.close();
}
catch(Exception erro)
{
JOptionPane.showMessageDialog(null,"Erro na insersمo : "+erro);
}

 }

}[/code]

Erro:

init: deps-module-jar: deps-ear-jar: deps-jar: compile-single: run-main: 23/03/2011 09:42:31 org.hibernate.cfg.annotations.Version <clinit> INFO: Hibernate Annotations 3.3.1.GA 23/03/2011 09:42:31 org.hibernate.cfg.Environment <clinit> INFO: Hibernate 3.2.5 23/03/2011 09:42:31 org.hibernate.cfg.Environment <clinit> INFO: loaded properties from resource hibernate.properties: {hibernate.pool_size=10, hibernate.connection.driver_class=org.postgresql.Driver, hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect, hibernate.format_sql=true, hibernate.connection.username=postgres, hibernate.hbm2ddl.auto=create;, hibernate.connection.url=jdbc:postgresql://localhost:5432/WebTree, hibernate.bytecode.use_reflection_optimizer=false, hibernate.show_sql=true, hibernate.connection.password=****} 23/03/2011 09:42:31 org.hibernate.cfg.Environment buildBytecodeProvider INFO: Bytecode provider name : cglib 23/03/2011 09:42:31 org.hibernate.cfg.Environment <clinit> INFO: using JDK 1.4 java.sql.Timestamp handling 23/03/2011 09:42:31 org.hibernate.cfg.AnnotationBinder bindClass INFO: Binding entity from annotated class: Usuarios.Usuarios 23/03/2011 09:42:32 org.hibernate.cfg.annotations.EntityBinder bindTable INFO: Bind entity Usuarios.Usuarios on table Usuarios 23/03/2011 09:42:32 org.hibernate.cfg.AnnotationConfiguration secondPassCompile INFO: Hibernate Validator not found: ignoring 23/03/2011 09:42:32 org.hibernate.connection.DriverManagerConnectionProvider configure INFO: Using Hibernate built-in connection pool (not for production use!) 23/03/2011 09:42:32 org.hibernate.connection.DriverManagerConnectionProvider configure INFO: Hibernate connection pool size: 20 23/03/2011 09:42:32 org.hibernate.connection.DriverManagerConnectionProvider configure INFO: autocommit mode: false 23/03/2011 09:42:32 org.hibernate.connection.DriverManagerConnectionProvider configure INFO: using driver: org.postgresql.Driver at URL: jdbc:postgresql://localhost:5432/WebTree 23/03/2011 09:42:32 org.hibernate.connection.DriverManagerConnectionProvider configure INFO: connection properties: {user=postgres, password=****} 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: RDBMS: PostgreSQL, version: 8.2.4 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: JDBC driver: PostgreSQL Native Driver, version: PostgreSQL 8.3 JDBC3 with SSL (build 603) 23/03/2011 09:42:32 org.hibernate.dialect.Dialect <init> INFO: Using dialect: org.hibernate.dialect.PostgreSQLDialect 23/03/2011 09:42:32 org.hibernate.transaction.TransactionFactoryFactory buildTransactionFactory INFO: Using default transaction strategy (direct JDBC transactions) 23/03/2011 09:42:32 org.hibernate.transaction.TransactionManagerLookupFactory getTransactionManagerLookup INFO: No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended) 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Automatic flush during beforeCompletion(): disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Automatic session close at end of transaction: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: JDBC batch size: 15 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: JDBC batch updates for versioned data: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Scrollable result sets: enabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: JDBC3 getGeneratedKeys(): disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Connection release mode: auto 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Default batch fetch size: 1 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Generate SQL with comments: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Order SQL updates by primary key: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Order SQL inserts for batching: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory createQueryTranslatorFactory INFO: Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory 23/03/2011 09:42:32 org.hibernate.hql.ast.ASTQueryTranslatorFactory <init> INFO: Using ASTQueryTranslatorFactory 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Query language substitutions: {} 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: JPA-QL strict compliance: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Second-level cache: enabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Query cache: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory createCacheProvider INFO: Cache provider: org.hibernate.cache.NoCacheProvider 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Optimize cache for minimal puts: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Structured second-level cache entries: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Echoing all SQL to stdout 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Statistics: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Deleted entity synthetic identifier rollback: disabled 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Default entity-mode: pojo 23/03/2011 09:42:32 org.hibernate.cfg.SettingsFactory buildSettings INFO: Named query checking : enabled 23/03/2011 09:42:32 org.hibernate.impl.SessionFactoryImpl <init> INFO: building session factory Exception in thread "main" java.lang.NoSuchMethodError: org.objectweb.asm.ClassWriter.<init>(I)V at net.sf.cglib.core.DebuggingClassWriter.<init>(DebuggingClassWriter.java:47) at net.sf.cglib.core.DefaultGeneratorStrategy.getClassWriter(DefaultGeneratorStrategy.java:30) at net.sf.cglib.core.DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:24) at net.sf.cglib.core.AbstractClassGenerator.create(AbstractClassGenerator.java:216) at net.sf.cglib.core.KeyFactory$Generator.create(KeyFactory.java:144) at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:116) at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:108) at net.sf.cglib.core.KeyFactory.create(KeyFactory.java:104) at net.sf.cglib.proxy.Enhancer.<clinit>(Enhancer.java:69) at org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.getProxyFactory(CGLIBLazyInitializer.java:117) at org.hibernate.proxy.pojo.cglib.CGLIBProxyFactory.postInstantiate(CGLIBProxyFactory.java:43) at org.hibernate.tuple.entity.PojoEntityTuplizer.buildProxyFactory(PojoEntityTuplizer.java:162) at org.hibernate.tuple.entity.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:135) at org.hibernate.tuple.entity.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:55) at org.hibernate.tuple.entity.EntityEntityModeToTuplizerMapping.<init>(EntityEntityModeToTuplizerMapping.java:56) at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:295) at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:434) at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:109) at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55) at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:226) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1294) at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:859) at Usuarios.GravaUsuarios.main(GravaUsuarios.java:29) Java Result: 1 CONSTRUÍDO COM SUCESSO (tempo total: 6 segundos)

#2

???

#3