java.lang.IllegalArgumentException : Not a managed type With @Entity and @Repository Setup with Spring Boot 2

标签 java spring spring-boot jpa spring-data-jpa

我浏览了该主题的所有其他 stackoverflow，但没有一个有答案。我的实体上收到“不是托管类型”。这是类(class)。

实体:

package com.somecompany.brokerage.party.onborading.api.outbound.db2.models;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import javax.jdo.annotations.Unique;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import java.io.Serializable;

@Data
@AllArgsConstructor
@NoArgsConstructor
@Builder
@Entity
@Table(name = "CUST", schema = "SAMS")
public class CustDto implements Serializable {

    private static final long serialVersionUID = -3304734256617027874L;

    @Id
    @Unique(name = "IXCUS1")
    @Column(name = "CUST_ID")
    private Integer customerId;

    @Column(name = "CUST_CAN_CALL_IN")
    private String customerCanCallIn;

    @Column(name = "CUST_ADD_DT")
    private Integer customerAddDate;

    @Unique(name = "IXCUS2")
    @Column(name = "TXPYR_ID")
    private String taxPayerId;


}

repo :

package com.somecompany.brokerage.party.onborading.api.outbound.db2.connector;

import com.somecompany.brokerage.party.onborading.api.outbound.db2.models.CustDto;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.Query;
import org.springframework.data.repository.query.Param;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public interface DB2CustConnector extends JpaRepository<CustDto, Integer> {

    @Query("select CUST_ID from SAMS.CUST where TXPYR_ID = ':taxPayerId'")
    List<CustDto> retrieveCustomerIdByTaxPayerId(@Param("taxPayerId") String taxPayerId);

}

应用:

package com.somecompany.brokerage.party.onborading;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;

@SpringBootApplication(scanBasePackages = {
        "com.somecompany.brokerage.party.onborading.*",
        "com.somecompany.brokerage.party.onborading.exception",
        "com.somecompany.brokerage.party.onborading.service",
        "com.somecompany.brokerage.party.onborading.api.outbound.db2.*",
        "com.somecompany.brokerage.party.onborading.api.outbound.rest.*",
        "com.somecompany.brokerage.party.onborading.api.inbound.rest.*"
})
@EnableJpaRepositories(basePackages = {
        "com.somecompany.brokerage.party.onborading.api.outbound.db2.connector"
})
@EntityScan(basePackages = {
        "com.somecompany.brokerage.party.onborading.api.outbound.db2.models"
})
public class BrokeragePartyOnboradingApplication {

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


}

适配器:

package com.somecompany.brokerage.party.onborading.api.outbound.db2.adaptor;

import com.somecompany.brokerage.party.onborading.api.outbound.db2.connector.DB2CustConnector;
import com.somecompany.brokerage.party.onborading.api.outbound.db2.models.CustDto;
import org.springframework.stereotype.Component;

import java.util.List;

@Component
public class DB2Adaptor {

    private final DB2CustConnector db2CustConnector;

    public DB2Adaptor(
            DB2CustConnector db2CustConnector
    ) {
        this.db2CustConnector = db2CustConnector;
    }

    public List<CustDto> retrieveCustomerByTaxPayerId(String TaxPayerId) {
        return db2CustConnector.retrieveCustomerIdByTaxPayerId(TaxPayerId);
    }

}

堆栈跟踪:

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'customerController' defined in file [C:\code\java\workspace\brokerage-party-onboarding\application\build\classes\java\main\com\somecompany\brokerage\party\onborading\api\inbound\rest\controller\CustomerController.class]: Unsatisfied dependency expressed through constructor parameter 1; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'onboardingService' defined in file [C:\code\java\workspace\brokerage-party-onboarding\application\build\classes\java\main\com\somecompany\brokerage\party\onborading\service\OnboardingService.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'DB2Adaptor' defined in file [C:\code\java\workspace\brokerage-party-onboarding\application\build\classes\java\main\com\somecompany\brokerage\party\onborading\api\outbound\db2\adaptor\DB2Adaptor.class]: Unsatisfied dependency expressed through constructor parameter 1; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'DB2CustConnector': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class com.somecompany.brokerage.party.onborading.api.outbound.db2.models.CustDto
  at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:798) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:228) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1358) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1204) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:879) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:878) ~[spring-context-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) [spring-boot-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) [spring-boot-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) [spring-boot-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) [spring-boot-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at com.somecompany.brokerage.party.onborading.BrokeragePartyOnboradingApplication.main(BrokeragePartyOnboradingApplication.java:27) [main/:na]
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'onboardingService' defined in file [C:\code\java\workspace\brokerage-party-onboarding\application\build\classes\java\main\com\somecompany\brokerage\party\onborading\service\OnboardingService.class]: Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'DB2Adaptor' defined in file [C:\code\java\workspace\brokerage-party-onboarding\application\build\classes\java\main\com\somecompany\brokerage\party\onborading\api\outbound\db2\adaptor\DB2Adaptor.class]: Unsatisfied dependency expressed through constructor parameter 1; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'DB2CustConnector': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class com.somecompany.brokerage.party.onborading.api.outbound.db2.models.CustDto
  at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:798) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:228) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1358) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1204) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1287) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:885) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:789) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  ... 19 common frames omitted
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'DB2Adaptor' defined in file [C:\code\java\workspace\brokerage-party-onboarding\application\build\classes\java\main\com\somecompany\brokerage\party\onborading\api\outbound\db2\adaptor\DB2Adaptor.class]: Unsatisfied dependency expressed through constructor parameter 1; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'DB2CustConnector': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class com.somecompany.brokerage.party.onborading.api.outbound.db2.models.CustDto
  at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:798) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:228) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireConstructor(AbstractAutowireCapableBeanFactory.java:1358) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1204) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:557) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1287) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:885) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:789) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  ... 33 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'DB2CustConnector': Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Not a managed type: class com.somecompany.brokerage.party.onborading.api.outbound.db2.models.CustDto
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1796) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1287) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1207) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:885) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:789) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  ... 47 common frames omitted
Caused by: java.lang.IllegalArgumentException: Not a managed type: class com.somecompany.brokerage.party.onborading.api.outbound.db2.models.CustDto
  at org.hibernate.metamodel.internal.MetamodelImpl.managedType(MetamodelImpl.java:582) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final]
  at org.hibernate.metamodel.internal.MetamodelImpl.managedType(MetamodelImpl.java:85) ~[hibernate-core-5.4.12.Final.jar:5.4.12.Final]
  at org.springframework.data.jpa.repository.support.JpaMetamodelEntityInformation.<init>(JpaMetamodelEntityInformation.java:74) ~[spring-data-jpa-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.jpa.repository.support.JpaEntityInformationSupport.getEntityInformation(JpaEntityInformationSupport.java:66) ~[spring-data-jpa-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getEntityInformation(JpaRepositoryFactory.java:211) ~[spring-data-jpa-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:161) ~[spring-data-jpa-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:144) ~[spring-data-jpa-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.jpa.repository.support.JpaRepositoryFactory.getTargetRepository(JpaRepositoryFactory.java:69) ~[spring-data-jpa-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.repository.core.support.RepositoryFactorySupport.getRepository(RepositoryFactorySupport.java:312) ~[spring-data-commons-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.lambda$afterPropertiesSet$5(RepositoryFactoryBeanSupport.java:297) ~[spring-data-commons-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.util.Lazy.getNullable(Lazy.java:212) ~[spring-data-commons-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.util.Lazy.get(Lazy.java:94) ~[spring-data-commons-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport.afterPropertiesSet(RepositoryFactoryBeanSupport.java:300) ~[spring-data-commons-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.data.jpa.repository.support.JpaRepositoryFactoryBean.afterPropertiesSet(JpaRepositoryFactoryBean.java:121) ~[spring-data-jpa-2.2.5.RELEASE.jar:2.2.5.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1855) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1792) ~[spring-beans-5.2.4.RELEASE.jar:5.2.4.RELEASE]
  ... 58 common frames omitted

如果有人需要其他代码，我可以添加任何代码，但我觉得这些是最重要的。

Spring Boot 2.2.5

我已经搜索和阅读了几个小时，但没有找到答案。

尝试:更改 SQL 以反射(reflect) CustDto 类信息。仍然出现错误。

@Repository
public interface DB2CustConnector extends JpaRepository<CustDto, Integer> {

    @Query("select c.customerId from CustDto c where c.taxPayerId = ':taxPayerId'")
    List<CustDto> retrieveCustomerIdByTaxPayerId(@Param("taxPayerId") String taxPayerId);

}

尝试过:删除注释和查询以查看是否是这样。仍然出现错误。

public interface DB2CustConnector extends JpaRepository<CustDto, Integer> {

}

注意:在方法 ManagedType 中调试 org.hibernate.metamodel.internal.MetamodelImpl 时，jpaEntityTypeMap 为空。既然我已经使用了 @Entity 和 @EntityScan，那么关于如何使其有值(value)有什么想法吗？

最佳答案

问题出在 @SpringBootApplication 中，尝试删除包名称中的 * 并尝试编写完整的打包结构。

@SpringBootApplication(scanBasePackages = {
   "com.schwab.brokerage.party.onborading.api.outbound.db2.models"
})

另请注意，@EntityScan 不会创建 bean。只有 @SpringBootApplication 会创建 bean，@EntityScan 仅标识特定持久化上下文应使用哪些类。

尽量不要扫描每个包，因为基包中的所有内容都具有主类，扫描包内的所有内容，具有 @Component 或任何构造型注释。

关于java.lang.IllegalArgumentException : Not a managed type With @Entity and @Repository Setup with Spring Boot 2，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/61462999/

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