java - Junit 测试中没有符合条件的 Error 类型的 bean

Question

我正在尝试使用 spring boot 版本 2.0.3 连接两个不同的数据源。一个指向 MySQL，另一个指向 PostgreSQL。 MySQL 通过了所有测试。但是 PostgreSQL 的问题。

这是应该映射到 PostgreSQL 的实体类。

@Entity
@Table(name = "order")
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Order {
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Long id;
  private String productName;
}

这是 PostgreSQL 的配置类。

@Configuration
@EnableJpaRepositories(
    basePackageClasses = Order.class,
    entityManagerFactoryRef = "orderEntityManager",
    transactionManagerRef = "orderTransactionManager"
)
@PropertySource("classpath:application.properties")
public class OrderConfig {

@Autowired
Environment env;

@Bean
public DataSource getDataSource() {
    DriverManagerDataSource dataSource = new DriverManagerDataSource();
    dataSource.setDriverClassName(env.getProperty("order.datasource.class"));
    dataSource.setUrl(env.getProperty("order.datasource.url"));
    dataSource.setUsername(env.getProperty("order.datasource.username"));
    dataSource.setPassword(env.getProperty("order.datasource.password"));
    return dataSource;
}

@Bean(name = "orderEntityManager")
public LocalContainerEntityManagerFactoryBean getEntityManager() {
    LocalContainerEntityManagerFactoryBean localContainerEntityManagerFactoryBean =
            new LocalContainerEntityManagerFactoryBean();
    localContainerEntityManagerFactoryBean.setDataSource(this.getDataSource());
    localContainerEntityManagerFactoryBean.setPackagesToScan("com.seal.multipledatasource.entity.order");

    HibernateJpaVendorAdapter hibernateJpaVendorAdapter = new HibernateJpaVendorAdapter();
    localContainerEntityManagerFactoryBean.setJpaVendorAdapter(hibernateJpaVendorAdapter);
    Map<String, String> properties = new HashMap<>();
    properties.put("hibernate.hbm2ddl.auto", env.getProperty("order.jpa.hibernate.ddl-auto"));
    properties.put("hibernate.dialect", env.getProperty("order.jpa.hibernate.dialect"));
    localContainerEntityManagerFactoryBean.setJpaPropertyMap(properties);
    return localContainerEntityManagerFactoryBean;
}

@Bean(name = "orderTransactionManager")
public PlatformTransactionManager getTransactionManager() {
    JpaTransactionManager transactionManager = new JpaTransactionManager();
    transactionManager.setEntityManagerFactory(getEntityManager().getObject());
    return transactionManager;
}
}

Spring 数据存储库。

@Repository
public interface OrderRepo extends JpaRepository<Order, Long>{
}

测试类

@RunWith(SpringRunner.class)
@ContextConfiguration(classes = OrderConfig.class)   
public class OrderRepoTest {

@Autowired
private OrderRepo orderRepo;

@Test
@Transactional
public void testOrderRepo() {
    Order order = orderRepo.save(new Order(null, "ACT LITE"));
    Assertions.assertThat(order).isNotNull();
    Assertions.assertThat(order.getId()).isNotZero();
}
}

日志文件

                org.hibernate.tool.schema.spi.CommandAcceptanceException: Error executing DDL via JDBC Statement
            at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:67)
            at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlString(SchemaCreatorImpl.java:440)
            at org.hibernate.tool.schema.internal.SchemaCreatorImpl.applySqlStrings(SchemaCreatorImpl.java:424)
            at org.hibernate.tool.schema.internal.SchemaCreatorImpl.createFromMetadata(SchemaCreatorImpl.java:315)
            at org.hibernate.tool.schema.internal.SchemaCreatorImpl.performCreation(SchemaCreatorImpl.java:166)
            at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:135)
            at org.hibernate.tool.schema.internal.SchemaCreatorImpl.doCreation(SchemaCreatorImpl.java:121)
            at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.performDatabaseAction(SchemaManagementToolCoordinator.java:155)
            at org.hibernate.tool.schema.spi.SchemaManagementToolCoordinator.process(SchemaManagementToolCoordinator.java:72)
            at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:312)
            at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:462)
            at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:892)
            at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:57)
            at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365)
            at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:390)
            at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:377)
            at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:341)
            at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1767)
            at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1704)
            at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:581)
            at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503)
            at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)
            at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
            at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)
            at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
            at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1089)
            at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:859)
            at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
            at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:128)
            at org.springframework.test.context.support.AbstractGenericContextLoader.loadContext(AbstractGenericContextLoader.java:60)
            at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:107)
            at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:243)
            at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99)
            at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117)
            at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108)
            at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:117)
            at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83)
            at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246)
            at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227)
            at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289)
            at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
            at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291)
            at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246)
            at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
            at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
            at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
            at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
            at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
            at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
            at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
            at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
            at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
            at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
            at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
            at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
            at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
            at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
            at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
            Caused by: org.postgresql.util.PSQLException: ERROR: syntax error at or near "order"
            Position: 14
            at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2433)
            at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2178)
            at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:306)
            at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:441)
            at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:365)
            at org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:307)
            at org.postgresql.jdbc.PgStatement.executeCachedSql(PgStatement.java:293)
            at org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:270)
            at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:266)
            at org.hibernate.tool.schema.internal.exec.GenerationTargetToDatabase.accept(GenerationTargetToDatabase.java:54)
            ... 57 common frames omitted

org.springframework.beans.factory.UnsatisfiedDependencyException: Error 
creating bean with name 'com.seal.multipledatasource.repo.OrderRepoTest': 
Unsatisfied dependency expressed through field 'orderRepo'; nested exception 
is org.springframework.beans.factory.NoSuchBeanDefinitionException: No 
qualifying bean of type 'com.seal.multipledatasource.repo.order.OrderRepo' 
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:587)
        at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:91)
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:373)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1350)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:401)
        at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:118)
        at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83)
        at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246)
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227)
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291)
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246)
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
        at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
        at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
        at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
        at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
        at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
        at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
        Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.seal.multipledatasource.repo.order.OrderRepo' 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:1509)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1104)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1065)
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:584)
        ... 27 more

您可以找到完整的日志文件 Here[GitHub Gist Link]

== 更新 ==

我已经使用 MySQL 数据库对 Order 实体进行了测试。它会导致与 Order 表相同类型的错误

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near

也没有发现 bean 异常。

然后我重命名了实体类，SQL 错误消失了。但是没有发现 bean 异常仍然存在于 OrderRepo bean。

Answer 1

我看过你的日志，'order' 关键字似乎有问题:

Caused by: org.postgresql.util.PSQLException: ERROR: syntax error at or near "order"

也许这可以帮助您:Error: syntax error at or near 'order'

更新:

正如我们在下面的评论中看到的那样，问题出现在错误的包扫描中。 Spring 找不到存储库。

你应该有

@EnableJpaRepositories(basePackages = {
    "com.seal.multipledatasource.repo"})