soudaniel_01 wrote:coloca isso no .cfg

<property name="hibernate.hbm2ddl.auto">create</property>

ele cria e recria o shema....

log4j:WARN No appenders could be found for logger (org.hibernate.cfg.annotations.Version).
log4j:WARN Please initialize the log4j system properly.

cesarherrera wrote:Crie o arquivo log4j.properties, coloque-o na pasta onde tem o código fonte, copie o conteúdo abaixo e cole no arquivo.

log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.Target=System.out log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n log4j.rootLogger=warn, stdout log4j.logger.org.hibernate=debug log4j.logger.org.hibernate.type=debug log4j.logger.org.hibernate.tool.hbm2ddl=debug

Esses warnings sumirão e se der algum erro aparecerá no console.

09:08:34,812 INFO SchemaExport:179 - exporting generated schema to database
09:08:34,812 INFO DriverManagerConnectionProvider:41 - Using Hibernate built-in connection pool (not for production use!)
09:08:34,812 INFO DriverManagerConnectionProvider:42 - Hibernate connection pool size: 20
09:08:34,812 INFO DriverManagerConnectionProvider:45 - autocommit mode: false
09:08:34,828 INFO DriverManagerConnectionProvider:80 - using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost/banco
09:08:34,828 INFO DriverManagerConnectionProvider:83 - connection properties: {user=root, password=123}
09:08:34,828 DEBUG DriverManagerConnectionProvider:93 - total checked-out connections: 0
09:08:34,828 DEBUG DriverManagerConnectionProvider:109 - opening new JDBC connection
09:08:35,140 DEBUG DriverManagerConnectionProvider:115 - created connection to: jdbc:mysql://localhost/banco, Isolation Level: 4
09:08:35,140 INFO SchemaExport:196 - schema export complete
09:08:35,140 DEBUG DriverManagerConnectionProvider:129 - returning connection to pool, pool size: 1
09:08:35,140 INFO DriverManagerConnectionProvider:147 - cleaning up connection pool: jdbc:mysql://localhost/banco

09:08:34,812 INFO DriverManagerConnectionProvider:45 - autocommit mode: false

felipealbuquerque wrote:

09:08:34,812 INFO DriverManagerConnectionProvider:45 - autocommit mode: false

Putz.... tem um jeito de mudar o autocommit para true ou dar um commit? Pode ser isso!

mysql> show tables;
Empty set (0.00 sec)

mysql>

Mark_Ameba wrote:Mapeia na criação para ver se funciona

public class GeraTabelas { public static void main(String[] args) { AnnotationConfiguration configuration = new AnnotationConfiguration(); configuration.addAnnotedClass(br.org.minhaurl.jdbc.modelo.Usuario.class); SchemaExport se = new SchemaExport(configuration); se.create(true, true); System.out.println("ok"); } }

O pior que nunca tive esse problema com o cfg.xml

10:54:15,953 INFO Version:15 - Hibernate Annotations 3.2.1.GA
10:54:15,984 INFO Environment:514 - Hibernate 3.2.5
10:54:15,984 INFO Environment:547 - hibernate.properties not found
10:54:15,984 INFO Environment:681 - Bytecode provider name : cglib
10:54:16,000 INFO Environment:598 - using JDK 1.4 java.sql.Timestamp handling
Exception in thread "main" org.hibernate.HibernateException: The dialect was not set. Set the property hibernate.dialect.
at org.hibernate.dialect.Dialect.instantiateDialect(Dialect.java:233)
at org.hibernate.dialect.Dialect.getDialect(Dialect.java:211)
at org.hibernate.dialect.Dialect.getDialect(Dialect.java:226)
at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:86)
at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:61)
at br.org.xxxxxxxxx.hibernate.GeraTabelas.main(GeraTabelas.java:21)

<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>

dc.rec1 wrote:Ja aconteceu algo similar comigo. O que estava errado eram os imports. Tinha importado a classe Persistence de algum pacote do Hibernate e tinha que ser de algum pacote do javax. Se fizer ctrl + shift + o no Eclipse, aparecem os dois.