Error creating bean with name 'roleRepository' java spring boot

Question

RoleRepository

package com.jawad.api.repository;

import javax.management.relation.Role;

import org.springframework.data.repository.CrudRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface RoleRepository extends CrudRepository<Role,Integer>{

}

AppsController

package com.jawad.api.controller;

import java.util.List;

import javax.management.relation.Role;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import com.jawad.api.repository.RoleRepository;

@RestController
public class AppsController {
    
    @Autowired
    private RoleRepository rolerepository;
    
    @GetMapping("/getAllRoles")
    public List<Role> getAllRoles() {
        return (List<Role>) rolerepository.findAll();
    }
    
    @GetMapping("/hi")
    public String hi(){
        return "hi";
    }
}

PrepaidWebAppApplication

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class PrepaidWebAppApplication {

    public static void main(String[] args) {
        SpringApplication.run(PrepaidWebAppApplication.class, args);
    }    
}

When I run my application I get an error and I cannot find a way to fix it:

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'roleRepository': FactoryBean threw exception on object creation; nested exception is java.lang.IllegalArgumentException: Not a managed type: class javax.management.relation.Role
        at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:176) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:101) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1827) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getObjectForBeanInstance(AbstractAutowireCapableBeanFactory.java:1265) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:334) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:624) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:612) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.data.repository.config.DeferredRepositoryInitializationListener.onApplicationEvent(DeferredRepositoryInitializationListener.java:51) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.repository.config.DeferredRepositoryInitializationListener.onApplicationEvent(DeferredRepositoryInitializationListener.java:36) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:404) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:361) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:898) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:554) ~[spring-context-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143) ~[spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at com.jawad.api.PrepaidWebAppApplication.main(PrepaidWebAppApplication.java:12) [classes/:na]
    Caused by: java.lang.IllegalArgumentException: Not a managed type: class javax.management.relation.Role
        at org.hibernate.metamodel.internal.MetamodelImpl.managedType(MetamodelImpl.java:582) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
        at org.hibernate.metamodel.internal.MetamodelImpl.managedType(MetamodelImpl.java:85) ~[hibernate-core-5.4.18.Final.jar:5.4.18.Final]
        at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:75) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getEntityInformation(JpaEntityInformationSupport.java:66) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:229) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:179) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:162) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:72) ~[spring-data-jpa-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:309) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$5(RepositoryFactoryBeanSupport.java:297) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.util.Lazy.getNullable(Lazy.java:212) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.util.Lazy.get(Lazy.java:94) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.getObject(RepositoryFactoryBeanSupport.java:244) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.getObject(RepositoryFactoryBeanSupport.java:57) ~[spring-data-commons-2.3.2.RELEASE.jar:2.3.2.RELEASE]
        at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:169) ~[spring-beans-5.2.8.RELEASE.jar:5.2.8.RELEASE]
        ... 24 common frames omitted

When I moved the PrepaidWebAppApplication.java to the model folder containing 3 models (user, role, and institution) it works but then my get requests won't be recognized anymore. I get the error: 404 not found.

How can I solve this?

`import javax.management.relation.Role;` this is not your `Role` entity — Hülya, Aug 13 '20 at 12:44

score 1 · Accepted Answer · answered Aug 13 '20 at 14:04

1

You have imported the Role entity from javax package in your RoleRepository and AppsController. Import it from your project and it should work for you.

import javax.management.relation.Role;

Change above import to your project Role entity.

answered Aug 13 '20 at 14:04

SSK

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@jayzee, I have added the answer, so that other users know it's been answered and the answer is accepted, please accept the same. – SSK Aug 13 '20 at 14:06

Nilam Bhujbal · Answer 2 · 2020-08-14T14:37:51.877

Some basic concept on spring-boot-starter-data-jpa:

stereotype annotations like:
A. @Component.
B. @Controller
C. @Service
D. @Repository
in spring must be concrete class.
Latest version of Spring boot has @EnableJpaRepositories auto enabled with dependency of spring-boot-starter-data-jpa.
@EnableJpaRepository is responsible of registration of interface implementation of CrudRepository, JPARepository, so on. Here we don't need to add stereotype annotations of SpringFramework.
For interface CrudRepository, JPARepository has its part of JPA So class which it refer must have JPA annotations like @Entity, @Table on concrete class.

Now coming back to your problem statement

For import javax.management.relation.Role:

import javax.management.relation.Role is a concrete class, i.e. not abstract class --> Accepted
import javax.management.relation.Role class doesn't have JPA annotation, So we can't use directly with CrudRepository, JPARepository ---> Not Accepted
RoleRepository should not have stereotype annotations.

Solutions:

Create a class similar to import javax.management.relation.Role with JPA annotation on it.
JPA Entity used in CrudRepository, JPARepository must have @Id field in it else you will encounter new exceptions.

score -1 · Answer 3 · answered Dec 28 '20 at 03:06

Please also cross check your entity class, I missed the below Id annotation, and the generated value annotation on primary key, due to which org.springframework.beans.factory.BeanCreationException occurred on the Repository.

@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)

Error creating bean with name 'roleRepository' java spring boot

3 Answers3