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  • 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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  • 原文地址:https://www.cnblogs.com/chensuqian/p/10150939.html
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