Cannot resolve reference to bean 'entityManagerFactory' while setting constructor argument
spring 5.+jpa 配置类出错：
十二月 20, 2018 5:53:01 下午 org.springframework.web.servlet.DispatcherServlet initServletBean
严重: Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'studentRepository': Cannot create inner bean '(inner bean)#69ecc373' of type [org.springframework.orm.jpa.SharedEntityManagerCreator] while setting bean property 'entityManager'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#69ecc373': Cannot resolve reference to bean 'entityManagerFactory' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'entityManagerFactory' available
原因之一是配置类中方法名不对：
@Bean
public LocalContainerEntityManagerFactoryBean localContainerEntityManagerFactoryBean()
{
//EntityManagerFactory
LocalContainerEntityManagerFactoryBean bean=new LocalContainerEntityManagerFactoryBean();
bean.setDataSource(dataSource());
bean.setPackagesToScan(new String[] {"com.jpa.demo"});
bean.setJpaVendorAdapter(jpaVendorAdapter());
return bean;
}
必须是：entityManagerFactory：
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory()
{
//EntityManagerFactory
LocalContainerEntityManagerFactoryBean bean=new LocalContainerEntityManagerFactoryBean();
bean.setDataSource(dataSource());
bean.setPackagesToScan(new String[] {"com.jpa.demo"});
bean.setJpaVendorAdapter(jpaVendorAdapter());
return bean;
}
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