org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'goodsController': Unsatisfied dependency expressed through field 'goodsService': Error creating bean with name 'goodsServiceImpl': Unsatisfied dependency expressed through field 'goodsMapper': Error creating bean with name 'goodsMapper' defined in file [D:\eclipse-workspace\demo-1\target\classes\com\example\demo\GoodsMapper.class]: Cannot resolve reference to bean 'sqlSessionTemplate' while setting bean property 'sqlSessionTemplate'
时间: 2024-04-06 13:28:43 浏览: 37
这个错误看起来像是Spring依赖注入的问题。具体地说,`goodsController`类中的`goodsService`属性依赖于`goodsServiceImpl`类,而`goodsServiceImpl`类中的`goodsMapper`属性依赖于`goodsMapper`的bean,但是在创建`goodsMapper` bean时,它需要引用一个名为`sqlSessionTemplate`的bean,但是该bean未被正确创建,导致依赖注入失败。
你可以检查以下几个方面:
1. 确保`sqlSessionTemplate` bean已经在Spring容器中正确地声明和创建。你可以在配置文件中或者使用注解的方式来声明这个bean。
2. 确保`goodsMapper`类中的`sqlSessionTemplate`属性已经正确地声明并且有可用的setter方法或者构造器来实现依赖注入。
3. 确保在`goodsServiceImpl`类中,`goodsMapper`属性已经正确地声明并且有可用的setter方法或者构造器来实现依赖注入。
希望这些提示对你有所帮助。
相关问题
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'empController': Uns
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'empController': Unsatisfied dependency expressed through field 'employeeService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'employeeService': Unsatisfied dependency expressed through field 'employeeRepository'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'employeeRepository': Cannot create inner bean '(inner bean)#xxxxx' 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)#xxxxx' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: [PersistenceUnit: default] Unable to build Hibernate SessionFactory; nested exception is org.hibernate.MappingException: Could not determine type for: com.example.Employee, at table: employee, for columns: [org.hibernate.mapping.Column(employee)]
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with
name 'student1' defined in class path resource [ba01/applicationContext.xml]: Unsatisfied dependency expressed through constructor parameter 2: Ambiguous argument values for parameter of type [com.bupt.implement_class.ba01.School - did you specify the correct bean references as arguments?
回答: 这个错误是由于在创建对象时使用了自动注入的方式,但参数类型为School的构造函数参数存在歧义。可以通过指定正确的bean引用作为参数来解决这个问题。在使用Spring框架创建对象时,可以使用byName的方式进行自动注入。在xml配置文件中,通过<bean>标签定义bean对象,并使用<property>标签设置相应的属性值。在测试类中,可以通过ClassPathXmlApplicationContext类加载配置文件,并使用getBean方法获取相应的bean对象。在这个例子中,创建了一个名为student1的Student对象,其中引用数据类型为School。<em>1</em><em>2</em><em>3</em>
#### 引用[.reference_title]
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