JUnit / Spring / Hibernate-没有类型为[javax.sql.DataSource]的合格Bean

Question

org.springframework.beans.factory.BeanCreationException：创建名称为'JobSeekerServiceTest'的bean时出错：自动连接依赖项的注入失败； 嵌套的异常是org.springframework.beans.factory.BeanCreationException：无法自动装配方法：public void org.springframework.test.context.junit4.AbstractTransactionalJUnit4SpringContextTests.setDataSource（javax.sql.DataSource）; 嵌套的异常是org.springframework.beans.factory.NoSuchBeanDefinitionException：没有找到类型为[javax.sql.DataSource]的合格Bean作为依赖项：至少应有1个可作为该依赖项的自动装配候选的bean。 依赖项注释：{}在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean（AbstractAutowireCapableBean4.Bean.Abstract springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties（AbstractAutowireCapableBeanFactory.java:385）位于org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies（DependencyInjectionTestExecutionListener.java:117）在org.springframework.test。 org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest。（SpringJUnit4）上的DependencyInjectionTestExecutionListener.prepareTestInstance（DependencyInjectionTestExecutionListener.java:82）在org.springframework.test.context.TestContextManager.prepareTestInstance（TestContextManager.java:212）在 org.springframework.test.context.junit4.SpringJUnit4ClassRunner $ 1.runReflectiveCall（SpringJUnit4ClassRunner.java:251）在org.junit.internal.runners.model.ReflectiveCallable.run（ReflectiveCallable.java:12）在org.springframework.test.context org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild（SpringJUnit4ClassRunner.java:216）上的.junit4.SpringJUnit4ClassRunner.methodBlock（SpringJUnit4ClassRunner.java:253）在org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild（SpringJUnit4 .java：82），位于org.junit.runners.ParentRunner $ 3.run（ParentRunner.java:238），位于org.junit.runners.ParentRunner $ 1.schedule（ParentRunner.java:63），位于org.junit.runners.ParentRunner。在org.junit.runners.ParentRunner.access处$ 000（ParentRunner.java:53）在org.junit.runners.ParentRunner处的runChildren（ParentRunner.java:53）在org.springframework.test处的$ 2.evaluate（ParentRunner.java:229） .context.junit4.statements.RunBeforeTestClassCallbacks.evaluate（RunBeforeTestClassCallbacks.java:60） 在org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate（RunAfterTestClassCallbacks.java:67）在org.junit.runners.ParentRunner.run（ParentRunner.java:309）在org.springframework.test.context.junit4位于org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run（JUnit4TestReference.java:50）的.SpringJUnit4ClassRunner.run（SpringJUnit4ClassRunner.java:162） （TestExecution.java:38）在org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests（RemoteTestRunner.java:459）在org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests（RemoteTestRunner.java ：675）在org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run（RemoteTestRunner.java:382）在org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main（RemoteTestRunner.java:192）引起创建人：org.springframework.beans.factory.BeanCreationException：无法自动装配方法：public void org.springframework.test.context.junit4.AbstractTransacti onalJUnit4SpringContextTests.setDataSource（javax.sql.DataSource）; 嵌套的异常是org.springframework.beans.factory.NoSuchBeanDefinitionException：没有找到类型为[javax.sql.DataSource]的合格Bean作为依赖项：至少应有1个可作为该依赖项的自动装配候选的bean。 依赖项注释：{}在org.springframework.beans.factory.annotation.InjectionMetadata.inject（InjectionMetadata.org.org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor $ AutowiredMethodElement.inject（AutowiredAnnotationBeanPostProcessor.java:643）处。 org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues（AutowiredAnnotationBeanPostProcessor.java:331）...还有26个原因：org.springframework.beans.factory.NoSuchBeanDefinitionException：没有类型为[javax.sql.DataSource]的合格bean找到依赖关系：期望至少有1个bean符合此依赖关系的自动装配候选条件。 依赖项注释：{}在org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency（DefaultListableBeanFactory.java:1009）在org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency（DefaultListableBeanFactory.java:1009）在org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException（DefaultListableBeanFactory.java:1261）处。 org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor $ AutowiredMethodElement.inject（AutowiredAnnotationBeanPostProcessor.java:600）的springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency（DefaultListableBeanFactory.java:904）... 28更多

测试班

@RunWith(SpringJUnit4ClassRunner.class)  
@ContextConfiguration(locations="classpath*:spring-config.xml") 
@TransactionConfiguration(defaultRollback=true,transactionManager="txManager")
@Transactional
public class JobSeekerServiceTest extends AbstractTransactionalJUnit4SpringContextTests{

    private JobSeekerDao jobseekerDao = new JobSeekerDao();

    @Test
    public void testGetCandidateForEmail(){
        JobSeeker result = new JobSeeker();
        JobSeeker expected = new JobSeeker();
        expected.setName("Dummy Job seeker 1");expected.setEmail("email@yahoo.com");expected.setCity("City");expected.setPhone("04523122");

        result = jobseekerDao.getCandidateForEmail("email@yahoo.com");
        assertEquals(result, expected);
    }
}

求职者

@SuppressWarnings("unchecked")
    @Override
    public JobSeeker getCandidateForEmail(String email) {
        LOGGER.debug("Searching the candidate after an email:"+email);
        Session session = getCurrentSession();

        List<JobSeeker> candidates = session.createQuery("from JobSeeker where email=?")
                .setParameter(0, email)
                .list();


        if (candidates.size() > 0) {
            return candidates.get(0);
        } else {
            return null;
        }
    }

Spring-Config.xml

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">  
            <property name="driverClassName"    value="${database.driver}" />  
            <property name="url"                value="${database.url}" />  
            <property name="username"           value="${database.user}" />  
            <property name="password"           value="${database.password}" />  
        </bean>  

        <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">  
            <property name="dataSource" ref="dataSource" />
            <property name="packagesToScan" value="com.awinta.hrms"/>

            <property name="hibernateProperties">  
                <props>  
                    <prop key="hibernate.dialect">${hibernate.dialect}</prop>  
                    <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
                    <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
                    <prop key="hibernate.use_sql_comments">${hibernate.use_sql_comments}</prop>

                    <prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>

                    <prop key="hibernate.temp.use_jdbc_metadata_defaults">${hibernate.temp.use_jdbc_metadata_defaults}</prop>

                    <prop key="hibernate.connection.pool_size">${hibernate.connection.pool_size}</prop>
                </props>  
            </property>  
        </bean> 

        <bean id="txManager" 
            class="org.springframework.orm.hibernate4.HibernateTransactionManager" 
            name="txManager">  
            <property name="sessionFactory" ref="sessionFactory" />
        </bean> 

任何想法为什么我会收到此错误？ 我是Spring，Hibernate，JUnit的新手。 总之，我认为我应该这样做。 或者我应该怎么做这个测试课？

更新

我在某处读到，原因是问题扩展了AbstractTransactionalJUnit4SpringContextTests，没有它我就再也听不到这个错误。

Answer 1

例外是让您知道测试类找不到任何合适的JDBC驱动程序。 您应该将JDBC驱动程序添加到测试类路径中以解决此问题。