最近我在开发一个spring web应用,使用了spring data jpa。
但是我遇到了持久化配置的问题:
@Configuration
@EnableTransactionManagement
@ComponentScan(basePackages = "com.servmed")
@PropertySource({ "/resources/hibernate.properties" })
@EnableJpaRepositories(basePackages = "com.servmed.repositories")
public class PersistenceConfig {
@Autowired
private Environment env;
Properties jpaProperties() {
return new Properties() {
{
setProperty("hibernate.hbm2ddl.auto", env.getProperty("hibernate.hbm2ddl.auto"));
setProperty("hibernate.dialect", env.getProperty("hibernate.dialect")); //allows Hibernate to generate SQL optimized for a particular relational database.
setProperty("hibernate.show_sql",env.getProperty("hibernate.show_sql"));
}
};
}
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory()
{
HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
vendorAdapter.setGenerateDdl(true);
vendorAdapter.setShowSql(true);
LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
factory.setDataSource(dataSource());
factory.setJpaVendorAdapter(vendorAdapter);
factory.setJpaProperties(jpaProperties());
factory.setPackagesToScan("com.servmed.models");
//factory.setLoadTimeWeaver(new InstrumentationLoadTimeWeaver());
return factory;
}
@Bean
public PlatformTransactionManager transactionManager()
{
EntityManagerFactory factory = entityManagerFactory().getObject();
return new JpaTransactionManager(factory);
}
@Bean
public HibernateExceptionTranslator hibernateExceptionTranslator(){
return new HibernateExceptionTranslator();
}
@Bean
public DataSource dataSource() {
BasicDataSource dataSource = new BasicDataSource();
dataSource.setDriverClassName(env.getProperty("jdbc.driverClassName"));
dataSource.setUrl(env.getProperty("jdbc.url"));
dataSource.setUsername(env.getProperty("jdbc.user"));
dataSource.setPassword(env.getProperty("jdbc.pass"));
return dataSource;
}
}
我遇到了错误,但我找不出问题所在:
Exception while loading the app : java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor#0': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [com/servmed/configuration/PersistenceConfig.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory]]
PS:我注意到我添加到库中的Hibernate实体管理器已经过时了,我应该用其他东西替换它吗?