我在尝试启动Spring Boot应用程序时收到以下错误:
注意:只有当我将
@Autowired
注释覆盖
IDeviceRepository iDeviceRepository;
DeviceDao.java
班
我还没有拿到
设备DAO.java
保存到数据库-但是实体正在被创建
> ***************************
> APPLICATION FAILED TO START
> ***************************
>
> Description:
> Field iDeviceRepository in com.abc.dao.DeviceDao required a bean named 'entityManagerFactory' that could not be found.
> Action:
> Consider defining a bean named 'entityManagerFactory' in your configuration.
这是项目的目录结构:
ââââsrc
â ââââmain
â â ââââjava
â â â ââââcom
â â â ââââabc
â â â ââââcontroller
â â â ââââdao
â â â â âââârepositories
â â â ââââinit
â â â ââââmodel
â â â ââââservice
â â â ââââutil
â â â ââââcommon
â â â ââââenums
â â â ââââexceptions
â â â ââââinterfaces
â â ââââresources
â â ââââstatic
â â â ââââcss
â â â ââââfonts
â â â ââââimg
â â â ââââjs
â â ââââtemplates
com.abc.init.Application.java
package com.abc.init;
@SpringBootApplication
@EnableJpaRepositories("com.abc.dao.repositories")
@EntityScan(basePackages = { "com.abc.model" })
@ComponentScan(basePackages={ "com.abc.controller", "com.abc.service", "com.abc.dao" })
public class Application
{
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}
package com.abc.controller;
@Controller
public class RegisterController
{
@Autowired
RegisterServiceImpl registerService;
@GetMapping("/register")
public String registerForm(Model model) {
model.addAttribute("device", new Device());
return "registerDevice";
}
@PostMapping("/register")
public String registerSubmit(@ModelAttribute Device device) {
registerService.registerDevice(device)
return "registerDeviceSuccess";
}
}
package com.abc.service;
@Service
public class RegisterServiceImpl implements IRegisterService
{
@Autowired
DeviceDao devDao;
public boolean registerDevice (Device device) {
devDao.saveDevice(device);
return true;
}
}
com.abc.util.interfaces.IRegisterService
package com.abc.util.interfaces;
public interface IRegisterService
{
public boolean registerDevice(Device device);
}
com.abc.dao.DeviceDao.java
package com.abc.dao;
@Repository
public class DeviceDao
{
@Autowired
IDeviceRepository iDeviceRepository;
public Device saveDevice(Device device) {
return iDeviceRepository.save(device);
}
}
package com.abc.dao.repositories;
@Repository
public interface IDeviceRepository extends CrudRepository<Device, Long> {}
应用程序属性
# Exposed HTTP Port
server.port = 8090
# Database Configuration Parameters
spring.datasource.url=jdbc:postgresql://localhost:5432/mydb
spring.datasource.username=mydbadmin
spring.datasource.password=mydbpassword
spring.datasource.driver-class-name=org.postgresql.Driver
# Hibernate Configurations
spring.jpa.hibernate.ddl-auto=create-drop
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.PostgreSQLDialect
spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults=false
# Display SQL Commands in Terminal
spring.jpa.show-sql=true
堆栈跟踪:
java.lang.IllegalStateException: Failed to load ApplicationContext
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'registerController': Unsatisfied dependency expressed through field 'registerService'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'registerServiceImpl': Unsatisfied dependency expressed through field 'devDao'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'deviceDao': Unsatisfied dependency expressed through field 'iDeviceRepository'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'IDeviceRepository': Cannot create inner bean '(inner bean)#36dce7ed' 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)#36dce7ed': Cannot resolve reference to bean 'entityManagerFactory' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'entityManagerFactory' available
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'registerServiceImpl': Unsatisfied dependency expressed through field 'devDao'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'deviceDao': Unsatisfied dependency expressed through field 'iDeviceRepository'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'IDeviceRepository': Cannot create inner bean '(inner bean)#36dce7ed' 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)#36dce7ed': Cannot resolve reference to bean 'entityManagerFactory' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'entityManagerFactory' available
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'deviceDao': Unsatisfied dependency expressed through field 'iDeviceRepository'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'IDeviceRepository': Cannot create inner bean '(inner bean)#36dce7ed' 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)#36dce7ed': Cannot resolve reference to bean 'entityManagerFactory' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'entityManagerFactory' available
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'IDeviceRepository': Cannot create inner bean '(inner bean)#36dce7ed' 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)#36dce7ed': Cannot resolve reference to bean 'entityManagerFactory' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'entityManagerFactory' available
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#36dce7ed': Cannot resolve reference to bean 'entityManagerFactory' while setting constructor argument; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'entityManagerFactory' available
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'entityManagerFactory' available
有人能告诉我吗?
