java我对Spring boot中的bean有问题
我对豆子和自动连线有问题。 抱歉简短的描述。我不太懂英语。 豆子有什么问题
我试图向Entity类添加Lombok adnotation，比如@Getter和@Setter，以支持json序列化
错误代码：
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2019-03-27 11:21:08.971 INFO 10236 --- [ restartedMain] c.p.pgssoftware.PetClinicApplication : Starting PetClinicApplication on DESKTOP-7E5DVC0 with PID 10236 (C:\Users\ASUS\Desktop\software\target\classes started by ASUS in C:\Users\ASUS\Desktop\software)
2019-03-27 11:21:08.975 INFO 10236 --- [ restartedMain] c.p.pgssoftware.PetClinicApplication : No active profile set, falling back to default profiles: default
2019-03-27 11:21:09.079 INFO 10236 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : Devtools property defaults active! Set 'spring.devtools.add-properties' to 'false' to disable
2019-03-27 11:21:09.079 INFO 10236 --- [ restartedMain] .e.DevToolsPropertyDefaultsPostProcessor : For additional web related logging consider setting the 'logging.level.web' property to 'DEBUG'
2019-03-27 11:21:11.255 INFO 10236 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
2019-03-27 11:21:11.439 INFO 10236 --- [ restartedMain] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 156ms. Found 1 repository interfaces.
2019-03-27 11:21:13.654 INFO 10236 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$dda65fa3] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-03-27 11:21:13.707 INFO 10236 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.security.config.annotation.configuration.ObjectPostProcessorConfiguration' of type [org.springframework.security.config.annotation.configuration.ObjectPostProcessorConfiguration$$EnhancerBySpringCGLIB$$765427dd] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-03-27 11:21:13.719 INFO 10236 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'objectPostProcessor' of type [org.springframework.security.config.annotation.configuration.AutowireBeanFactoryObjectPostProcessor] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-03-27 11:21:13.719 INFO 10236 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler@1ec9ea1' of type [org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-03-27 11:21:13.723 INFO 10236 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.security.config.annotation.method.configuration.GlobalMethodSecurityConfiguration' of type [org.springframework.security.config.annotation.method.configuration.GlobalMethodSecurityConfiguration$$EnhancerBySpringCGLIB$$9b28ca8f] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-03-27 11:21:13.727 INFO 10236 --- [ restartedMain] trationDelegate$BeanPostProcessorChecker : Bean 'methodSecurityMetadataSource' of type [org.springframework.security.access.method.DelegatingMethodSecurityMetadataSource] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-03-27 11:21:15.306 INFO 10236 --- [ restartedMain] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http)
2019-03-27 11:21:15.406 INFO 10236 --- [ restartedMain] o.apache.catalina.core.StandardService : Starting service [Tomcat]
2019-03-27 11:21:15.406 INFO 10236 --- [ restartedMain] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.16]
2019-03-27 11:21:15.458 INFO 10236 --- [ restartedMain] o.a.catalina.core.AprLifecycleListener : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [C:\Program Files (x86)\Java\jdk1.8.0_191\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\Program Files (x86)\Common Files\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Users\ASUS\Desktop\apache-maven-3.6.0\bin;C:\Program Files\Git\cmd;C:\Users\ASUS\AppData\Local\Microsoft\WindowsApps;;.]
2019-03-27 11:21:15.830 INFO 10236 --- [ restartedMain] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext
2019-03-27 11:21:15.830 INFO 10236 --- [ restartedMain] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 6751 ms
2019-03-27 11:21:17.058 INFO 10236 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2019-03-27 11:21:17.350 INFO 10236 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Start completed.
2019-03-27 11:21:17.446 INFO 10236 --- [ restartedMain] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [
name: default
...]
2019-03-27 11:21:17.562 INFO 10236 --- [ restartedMain] org.hibernate.Version : HHH000412: Hibernate Core {5.3.7.Final}
2019-03-27 11:21:17.562 INFO 10236 --- [ restartedMain] org.hibernate.cfg.Environment : HHH000206: hibernate.properties not found
2019-03-27 11:21:17.842 INFO 10236 --- [ restartedMain] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.0.4.Final}
2019-03-27 11:21:18.154 INFO 10236 --- [ restartedMain] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.PostgreSQLDialect
2019-03-27 11:21:18.382 INFO 10236 --- [ restartedMain] o.h.e.j.e.i.LobCreatorBuilderImpl : HHH000421: Disabling contextual LOB creation as hibernate.jdbc.lob.non_contextual_creation is true
2019-03-27 11:21:18.394 INFO 10236 --- [ restartedMain] org.hibernate.type.BasicTypeRegistry : HHH000270: Type registration [java.util.UUID] overrides previous : org.hibernate.type.UUIDBinaryType@15fa875
2019-03-27 11:21:19.693 INFO 10236 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default'
2019-03-27 11:21:19.729 INFO 10236 --- [ restartedMain] o.s.b.d.a.OptionalLiveReloadServer : LiveReload server is running on port 35729
2019-03-27 11:21:19.753 WARN 10236 --- [ restartedMain] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'downloadingService': Unsatisfied dependency expressed through field 'vetRepository'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.petClinic.petClinic.data_operations.VetRepository' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
2019-03-27 11:21:19.753 INFO 10236 --- [ restartedMain] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2019-03-27 11:21:19.757 INFO 10236 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown initiated...
2019-03-27 11:21:19.765 INFO 10236 --- [ restartedMain] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Shutdown completed.
2019-03-27 11:21:19.769 INFO 10236 --- [ restartedMain] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2019-03-27 11:21:19.809 INFO 10236 --- [ restartedMain] ConditionEvaluationReportLoggingListener :
Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-03-27 11:21:20.189 ERROR 10236 --- [ restartedMain] o.s.boot.SpringApplication : Application run failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'downloadingService': Unsatisfied dependency expressed through field 'vetRepository'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.petClinic.petClinic.data_operations.VetRepository' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:596) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:90) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:374) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1395) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:592) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:849) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) ~[spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
at com.petClinic.petClinic.PetClinicApplication.main(PetClinicApplication.java:13) [classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_191]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_191]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_191]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_191]
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) [spring-boot-devtools-2.1.3.RELEASE.jar:2.1.3.RELEASE]
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.petClinic.petClinic.data_operations.VetRepository' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1654) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1213) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1167) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:593) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
... 24 common frames omitted
Process finished with exit code 0
实体类：
@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
@Entity
@Table(name = "vet")
public class Vet{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(unique=true, nullable=false)
private Long id;
@Column
private String name;
@Column
private String secondName;
@Column
private String specialization;
@Column
@OneToMany(mappedBy="vet")
private List<Surgery> surgery;
}
存储库
@Repository
public interface VetRepository extends JpaRepository<Vet, Long> {
}
服务
@Service
public class DownloadingService {
@Autowired
private VetRepository vetRepository;
@Autowired
private OwnerRepository ownerRepository;
@Autowired
private AnimalRepository animalRepository;
@Autowired
private SurgeryRepository surgeryRepository;
public List<Vet> allVets(){
return vetRepository.findAll();
}
public List<Owner> allOwners(){
return ownerRepository.findAll();
}
public List<Animal> allAnimals(){
return animalRepository.findAll();
}
public List<Surgery> allSurgery(){
return surgeryRepository.findAll();
}
public List<Animal> getAllAnimalsByOwner(OwnerDTO ownerDTO) {
return animalRepository.findAnimalsByOwner(ownerDTO.getId());
}
public Surgery getSurgeryByAnimal(AnimalDTO animalDTO) {
return surgeryRepository.findSurgeryByAnimal(animalDTO.getId());
}
}
控制器：
@RestController
@RequestMapping("/api/get")
public class DownloadingEndpoint {
@Autowired
private DownloadingService downloadingService;
@PreAuthorize("hasAnyRole('ADMIN')")
@GetMapping("/cos")
public String cos(){
return "cos";
}
@GetMapping("all/animals")
public ResponseEntity<List<Animal>> listOfAllAnimals(){
return ResponseEntity.ok(downloadingService.allAnimals().stream().sorted().collect(Collectors.toList()));
}
@GetMapping("all/surgery")
public ResponseEntity<List<Surgery>> listOfAllSurgery()
{
return ResponseEntity.ok(downloadingService.allSurgery().stream().sorted().collect(Collectors.toList()));
}
@GetMapping("all/owners")
public ResponseEntity<List<Owner>> listOfAllOwners()
{
return ResponseEntity.ok(downloadingService.allOwners().stream().sorted().collect(Collectors.toList()));
}
@GetMapping("all/vets")
public ResponseEntity<List<Vet>> listOfAllVets()
{
return ResponseEntity.ok(downloadingService.allVets().stream().sorted().collect(Collectors.toList()));
}
@GetMapping("owner/animals")
public ResponseEntity<List<Animal>> getAnimalsByOwner(@RequestBody OwnerDTO ownerDTO){
return ResponseEntity.ok(downloadingService.getAllAnimalsByOwner(ownerDTO));
}
@GetMapping("owner/animalWithNameKristof")
public ResponseEntity<List<Animal>> getAnimalWithName(@RequestBody OwnerDTO ownerDTO){
return ResponseEntity.ok(downloadingService.getAllAnimalsByOwner(ownerDTO));
}
@GetMapping("animals/surgery")
public ResponseEntity<Surgery> getAnimalSurgery(@RequestBody AnimalDTO animalDTO){
return ResponseEntity.ok(downloadingService.getSurgeryByAnimal(animalDTO));
}
}
@SpringBootApplication
@EnableAutoConfiguration
public class PetClinicApplication {
public static void main(String[] args) {
SpringApplication.run(PetClinicApplication.class, args);
}
}
我以为服务器会启动
# 1 楼答案
我也犯了同样的错误
通过在“basePackages”中配置bean包，添加
@ComponentScan来修复它。e、 g# 2 楼答案
我通过向我的主类添加@ComponentScan（basePackages={“}）注释解决了我的问题