Spring Boot使用MySQL的多数据源配置（主/从）

时间：2019-01-16 12:58:09

标签： java mysql hibernate spring-boot datasource

问题，目标

我正在设置多个数据源，它们由MySQL上的主服务器和从服务器组成。但是它无法创建entityManagerFactory Bean。因此，我解决了这个问题。

尝试

我已经搜索了所有内容（Git，Stackoverflow和一些博客）。但是我没有道理如何创建这个bean。我听说@Primary有时是错误的做法。因此，我决定不使用@Primary。

源代码

  • 项目结构

project structure

  • build.gradle 
buildscript {
    ext {
        springBootVersion = '2.1.1.RELEASE'
    }
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
    }
}

apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'org.springframework.boot'
apply plugin: 'io.spring.dependency-management'

group = 'com.pickstudio.pickstar'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '1.8'

repositories {
    mavenCentral()
}


dependencies {
    implementation('org.springframework.boot:spring-boot-starter-data-jpa')
    implementation('org.springframework.boot:spring-boot-starter-data-rest')
    implementation('org.springframework.boot:spring-boot-starter-web')
    runtimeOnly('com.h2database:h2')
    runtimeOnly('mysql:mysql-connector-java')
    compileOnly('org.projectlombok:lombok')
    testImplementation('org.springframework.boot:spring-boot-starter-test')
}
  • application.yml 
# create and drop tables and sequences, loads import.sql

spring:
  profiles:
    active: development
  jpa:
    show-sql: true
  datasource:
    mysql:
      writer:
        url: jdbc:mysql://{master-hostname}:3306/pickstar
        username: {username}
        password: {password}
        driver-class-name: com.mysql.cj.jdbc.Driver
      reader:
        url: jdbc:mysql://{slave-hostname}:3306/pickstar
        username: {username}
        password: {password}
        driver-class-name: com.mysql.cj.jdbc.Driver
  • src / main / java / com.pickstudio.pickstar.api.context.db.model.User.java 

package com.pickstudio.pickstar.api.context.db.model;


import com.pickstudio.pickstar.api.context.db.model.enumeration.UserEnum;
import com.pickstudio.pickstar.api.context.db.model.support.BaseModel;
import lombok.Getter;
import lombok.ToString;

import javax.persistence.*;
import java.util.Date;


@Getter
@ToString
@Entity(name = "PICKSTAR_USER")
@Table(name = "PICKSTAR_USER", schema = "pickstar")
public class User extends BaseModel {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "id", nullable = false)
    private long id;


    @Column(name = "type", nullable = false, columnDefinition = UserEnum.Type.columnDefinition)
    private UserEnum.Type type;

    @Column(name = "status", nullable = false, columnDefinition = UserEnum.Status.columnDefinition)
    private UserEnum.Status status;

    @Column(name = "profile_status", nullable = false, columnDefinition = UserEnum.ProfileStatus.columnDefinition)
    private UserEnum.ProfileStatus profileStatus;

    @Column(name = "phone_number", nullable = false, length = 15)
    private String phoneNumber;

    @Column(name = "nickname", nullable = false, length = 100)
    private String nickname;

    @Column(name = "gender", nullable = false, columnDefinition = UserEnum.Gender.columnDefinition)
    private UserEnum.Gender gender;

    @Column(name = "birth", nullable = false)
    private Date birth;

}
  • src / main / java / com.pickstudio.pickstar.api.context.db.PickStarWriterDBConfig 
package com.pickstudio.pickstar.api.context.db;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.orm.jpa.EntityManagerFactoryBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;

@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
        basePackages = { "com.pickstudio.pickstar.api.user.repository" },
        entityManagerFactoryRef = "pickstarWriterEntityManager",
        transactionManagerRef = "pickstarWriterTansactionManager"
)
public class PickStarWriterDBConfig {

    @Bean(name = "writerDataSource")
    @ConfigurationProperties(prefix = "spring.datasource.mysql.writer")
    public DataSource writerDataSource() {
        return DataSourceBuilder
                .create()
                .build();
    }

    @Bean(name = "pickstarWriterEntityManager")
    public LocalContainerEntityManagerFactoryBean entityManagerFactory(
            EntityManagerFactoryBuilder builder,
            @Qualifier("writerDataSource") DataSource dataSource
    ){
        return builder
                .dataSource(dataSource)
                .packages("com.pickstudio.pickstar.api.context.db.model")
                .persistenceUnit("pickstarWriter")
                .build();
    }

    @Bean(name = "pickstarWriterTansactionManager")
    public PlatformTransactionManager pickstarWriterTansactionManager(
            @Qualifier("pickstarWriterEntityManager") EntityManagerFactory pickstarWriterEntityManager) {
        return new JpaTransactionManager(pickstarWriterEntityManager);
    }
}
  • src / main / java / com.pickstudio.pickstar.api.context.db.PickStarReaderDBConfig 
package com.pickstudio.pickstar.api.context.db;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.boot.orm.jpa.EntityManagerFactoryBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;

@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
        basePackages = { "com.pickstudio.pickstar.api.user.repository" },
        entityManagerFactoryRef = "pickstarReaderEntityManagerFactory",
        transactionManagerRef = "pickstarReaderTansactionManager"
)
public class PickStarReaderDBConfig {

    @Bean(name = "readerDataSource")
    @ConfigurationProperties(prefix = "spring.datasource.mysql.reader")
    public DataSource readerDataSource() {
        return DataSourceBuilder
                .create()
                .build();
    }

    @Bean(name = "pickstarReaderEntityManagerFactory")
    public LocalContainerEntityManagerFactoryBean entityManagerFactory(
            EntityManagerFactoryBuilder builder,
            @Qualifier("readerDataSource") DataSource dataSource
    ) {
        return builder
                .dataSource(dataSource)
                .packages("com.pickstudio.pickstar.api.context.db.model")
                .persistenceUnit("pickstarReader")
                .build();
    }

    @Bean(name = "pickstarReaderTansactionManager")
    public PlatformTransactionManager pickstarReaderTansactionManager(
            @Qualifier("pickstarReaderEntityManagerFactory") EntityManagerFactory entityManagerFactor) {
        return new JpaTransactionManager(entityManagerFactor);
    }
}
  • src / main / java / com.pickstudio.pickstar.api.user.repository.UserRepository 
package com.pickstudio.pickstar.api.user.repository;

import com.pickstudio.pickstar.api.context.db.model.User;
import org.springframework.data.jpa.repository.JpaRepository;

public interface UserRepository extends JpaRepository<User, Long> {
}

我的设置完成。然后，我运行此代码进行测试。

  • src / test / java / com.pickstudio.pickstar.api 
package com.pickstudio.pickstar.api;

import com.pickstudio.pickstar.api.user.repository.UserRepository;
import lombok.extern.slf4j.Slf4j;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest
@Slf4j
public class PickstarApiApplicationTests {

    @Autowired
    private UserRepository userRepository;

    private static final Logger logger = LoggerFactory.getLogger(PickstarApiApplicationTests.class);

    @Test
    public void writerDBConfigTest() {
        userRepository
                .findAll()
                .stream()
                .map(i -> i.toString())
                .forEach(msg -> logger.info(msg));
    }
}

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v2.1.1.RELEASE)

2019-01-16 21:26:51.755  INFO 30601 --- [           main] c.p.p.api.PickstarApiApplicationTests    : Starting PickstarApiApplicationTests on drakejinui-MacBook-Pro.local with PID 30601 (started by drakejin in /Users/drakejin/Desktop/Workspace/DrakejinSpring/pickstar-api)
2019-01-16 21:26:51.756  INFO 30601 --- [           main] c.p.p.api.PickstarApiApplicationTests    : The following profiles are active: development
2019-01-16 21:26:52.652  INFO 30601 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.
2019-01-16 21:26:52.756  INFO 30601 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 90ms. Found 1 repository interfaces.
2019-01-16 21:26:53.492  INFO 30601 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration' of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$$EnhancerBySpringCGLIB$$ba85943f] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-01-16 21:26:53.525  INFO 30601 --- [           main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.hateoas.config.HateoasConfiguration' of type [org.springframework.hateoas.config.HateoasConfiguration$$EnhancerBySpringCGLIB$$3a05e171] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2019-01-16 21:26:53.725 ERROR 30601 --- [           main] com.zaxxer.hikari.HikariConfig           : HikariPool-1 - jdbcUrl is required with driverClassName.
2019-01-16 21:26:53.726  WARN 30601 --- [           main] o.s.w.c.s.GenericWebApplicationContext   : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'pickstarWriterEntityManager' defined in class path resource [com/pickstudio/pickstar/api/context/db/PickStarWriterDBConfig.class]: Unsatisfied dependency expressed through method 'entityManagerFactory' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactoryBuilder' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
2019-01-16 21:26:53.739  INFO 30601 --- [           main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-01-16 21:26:53.753 ERROR 30601 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'pickstarWriterEntityManager' defined in class path resource [com/pickstudio/pickstar/api/context/db/PickStarWriterDBConfig.class]: Unsatisfied dependency expressed through method 'entityManagerFactory' parameter 0; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactoryBuilder' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:769) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:509) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1288) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1127) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1083) ~[spring-context-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:853) ~[spring-context-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546) ~[spring-context-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) ~[spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) ~[spring-boot-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:127) [spring-boot-test-2.1.1.RELEASE.jar:2.1.1.RELEASE]
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) [junit-4.12.jar:4.12]
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363) [junit-4.12.jar:4.12]
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) [spring-test-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.junit.runner.JUnitCore.run(JUnitCore.java:137) [junit-4.12.jar:4.12]
    at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) [junit-rt.jar:na]
    at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) [junit-rt.jar:na]
    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) [junit-rt.jar:na]
    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) [junit-rt.jar:na]
Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'entityManagerFactoryBuilder' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Unsatisfied dependency expressed through method 'entityManagerFactoryBuilder' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:769) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:509) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1288) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1127) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:273) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1237) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1164) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:857) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:760) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    ... 42 common frames omitted
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jpaVendorAdapter' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.orm.jpa.JpaVendorAdapter]: Factory method 'jpaVendorAdapter' threw exception; nested exception is java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:627) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:456) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1288) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1127) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:538) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.3.RELEASE.jar:5.1.3.RELEASE]
    at

0 个答案:

没有答案
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