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org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 

Time：02-14

Im working on a school project and decided to work with spring. I set it up myself for the first time myself and cant run it propperly now.

Im following this tutorial https://www.youtube.com/watch?v=Gx4iBLKLVHk and I did everything exactly the same. Atleast I think so. If someone needs more Information about the Project please contact me.

Thank you very much for your time.

My Model:

package ch.M306_LB.gallery.model;

import javax.persistence.Column;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;

public class Picture {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(nullable = false, updatable = false)
    private Long id;
    private String description;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }
}

My Service

package ch.M306_LB.gallery.service;

import ch.M306_LB.gallery.exception.UserNotFoundException;
import ch.M306_LB.gallery.model.Picture;
import ch.M306_LB.gallery.repo.PictureRepo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;


@Service
public class PictureService {
    private final PictureRepo pictureRepo;

    @Autowired
    public PictureService(PictureRepo pictureRepo) {
        this.pictureRepo = pictureRepo;
    }

    public Picture addPicture(Picture picture){
        return pictureRepo.save(picture);
    }

    public List<Picture> findAllPictures(){
        return pictureRepo.findAll();
    }

    public Picture updatePicture(Picture picture){
        return pictureRepo.save(picture);
    }

    public Picture findPictureById(Long id){
        return pictureRepo.findPictureById(id)
                .orElseThrow(() -> new UserNotFoundException("User by id "   id   " was not found"));
    }

    public void deletePicture(Long id){
        pictureRepo.deletePictureById(id);
    }
}

My Repo:

package ch.M306_LB.gallery.repo;

import ch.M306_LB.gallery.model.Picture;
import org.springframework.data.jpa.repository.JpaRepository;

import java.util.Optional;

public interface PictureRepo extends JpaRepository<Picture, Long> {
    void deletePictureById(Long id);

    Optional<Picture> findPictureById(Long id);
}

My Resource:

    package ch.M306_LB.gallery;

import ch.M306_LB.gallery.model.Picture;
import ch.M306_LB.gallery.service.PictureService;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/picture")
public class PictureResource {
    private final PictureService pictureService;

    public PictureResource(PictureService pictureService) {
        this.pictureService = pictureService;
    }

    @GetMapping("/all")
    public ResponseEntity<List<Picture>> getAllPictures(){
        List<Picture> pictures = pictureService.findAllPictures();
        return new ResponseEntity<>(pictures, HttpStatus.OK);
    }

    @GetMapping("/find{id}")
    public ResponseEntity<Picture> getPictureById(@PathVariable("id") Long id){
        Picture picture = pictureService.findPictureById(id);
        return new ResponseEntity<>(picture, HttpStatus.OK);
    }

    @PostMapping("/add")
    public ResponseEntity<Picture> addPicture(@RequestBody Picture picture){
        Picture newPicture = pictureService.addPicture(picture);
        return new ResponseEntity<>(newPicture, HttpStatus.CREATED);
    }

    @PutMapping("/update")
    public ResponseEntity<Picture> updatePicture(@RequestBody Picture picture){
        Picture updatePicture = pictureService.updatePicture(picture);
        return new ResponseEntity<>(updatePicture, HttpStatus.OK);
    }

    @DeleteMapping("/delete/{id}")
    public ResponseEntity<?> deletePicture(@PathVariable("id") Long id){
        pictureService.deletePicture(id);
        return new ResponseEntity<>(HttpStatus.OK);
    }
}

Error Log:

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-02-13 23:48:27.596 ERROR 11656 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'pictureResource' defined in file [C:\Users\david\Desktop\BZZ\Workspace\Modul 152\LB\gallery\target\classes\ch\M306_LB\gallery\PictureResource.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'pictureService' defined in file [C:\Users\david\Desktop\BZZ\Workspace\Modul 152\LB\gallery\target\classes\ch\M306_LB\gallery\service\PictureService.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'pictureRepo' defined in ch.M306_LB.gallery.repo.PictureRepo defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class ch.M306_LB.gallery.model.Picture
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:229) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1372) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1222) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:953) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) ~[spring-context-5.3.15.jar:5.3.15]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) ~[spring-context-5.3.15.jar:5.3.15]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.3.jar:2.6.3]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:732) ~[spring-boot-2.6.3.jar:2.6.3]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:414) ~[spring-boot-2.6.3.jar:2.6.3]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:302) ~[spring-boot-2.6.3.jar:2.6.3]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) ~[spring-boot-2.6.3.jar:2.6.3]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) ~[spring-boot-2.6.3.jar:2.6.3]
    at ch.M306_LB.gallery.GalleryApplication.main(GalleryApplication.java:10) ~[classes/:na]
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'pictureService' defined in file [C:\Users\david\Desktop\BZZ\Workspace\Modul 152\LB\gallery\target\classes\ch\M306_LB\gallery\service\PictureService.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'pictureRepo' defined in ch.M306_LB.gallery.repo.PictureRepo defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class ch.M306_LB.gallery.model.Picture
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:800) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:229) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1372) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1222) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1389) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1309) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791) ~[spring-beans-5.3.15.jar:5.3.15]
    ... 19 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'pictureRepo' defined in ch.M306_LB.gallery.repo.PictureRepo defined in @EnableJpaRepositories declared on JpaRepositoriesRegistrar.EnableJpaRepositoriesConfiguration: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class ch.M306_LB.gallery.model.Picture
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1389) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1309) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791) ~[spring-beans-5.3.15.jar:5.3.15]
    ... 33 common frames omitted
Caused by: java.lang.IllegalArgumentException: Not a managed type: class ch.M306_LB.gallery.model.Picture
    at org.hibernate.metamodel.internal.MetamodelImpl.managedType(MetamodelImpl.java:582) ~[hibernate-core-5.6.4.Final.jar:5.6.4.Final]
    at org.hibernate.metamodel.internal.MetamodelImpl.managedType(MetamodelImpl.java:85) ~[hibernate-core-5.6.4.Final.jar:5.6.4.Final]
    at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:75) ~[spring-data-jpa-2.6.1.jar:2.6.1]
    at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getEntityInformation(JpaEntityInformationSupport.java:66) ~[spring-data-jpa-2.6.1.jar:2.6.1]
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:232) ~[spring-data-jpa-2.6.1.jar:2.6.1]
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:181) ~[spring-data-jpa-2.6.1.jar:2.6.1]
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:164) ~[spring-data-jpa-2.6.1.jar:2.6.1]
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:75) ~[spring-data-jpa-2.6.1.jar:2.6.1]
    at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:324) ~[spring-data-commons-2.6.1.jar:2.6.1]
    at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$5(RepositoryFactoryBeanSupport.java:322) ~[spring-data-commons-2.6.1.jar:2.6.1]
    at org.springframework.data.util.Lazy.getNullable(Lazy.java:230) ~[spring-data-commons-2.6.1.jar:2.6.1]
    at org.springframework.data.util.Lazy.get(Lazy.java:114) ~[spring-data-commons-2.6.1.jar:2.6.1]
    at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:328) ~[spring-data-commons-2.6.1.jar:2.6.1]
    at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:144) ~[spring-data-jpa-2.6.1.jar:2.6.1]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) ~[spring-beans-5.3.15.jar:5.3.15]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ~[spring-beans-5.3.15.jar:5.3.15]
    ... 44 common frames omitted


Process finished with exit code 1

CodePudding user response：

I think you model class needs an entity annotation:

@Entity
public class Picture {

CodePudding user response：

It failing as the Spring JPA not able to scan the model public class Picture. Adding @Entity on model will solve the problem.

@Entity
public class Picture

Page link：https//www.codepudding.com/Softwaredesign/300127.html

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