没有事务在进行中：将查询的响应返回给rest控制器时遇到此错误

Question

获取javax.persistence.TransactionRequiredException：没有正在进行的事务错误，但是我可以在@Transactional函数中打印查询的数据，但是在返回到其余控制器时却遇到此错误。

我正在连接到两个数据库，并且为每个数据库创建了HibernateTransactionManager。对于@Primary Transaction bean，它能够将响应返回给rest控制器，但不能返回到secondary bean

提前谢谢！！ 我要花几个小时才能解决这个问题。

db1Config.java

@Configuration
@EnableWebMvc
@EnableTransactionManagement
@ComponentScan("au.net.nbnco.mwoRoutingAPI")
@PropertySource({ "classpath:persistence-oracle-db.properties" })
public class RoutingAppConfigCDL implements WebMvcConfigurer {
@Autowired
private Environment env;

private Logger logger = Logger.getLogger(getClass().getName());
private Properties getHibernateProperties() {

    // set hibernate properties
    Properties props = new Properties();

    props.setProperty("hibernate.dialect", env.getProperty("hibernate.dialect"));
    props.setProperty("hibernate.show_sql", env.getProperty("hibernate.show_sql"));

    return props;
}

// need a helper method
// read environment property and convert to int

private int getIntProperty(String propName) {

    String propVal = env.getProperty(propName);

    // now convert to int
    int intPropVal = Integer.parseInt(propVal);

    return intPropVal;
}

@Primary
@Bean(name="dataSourceCDL")
public DataSource dataSourceCDL() {

    // create connection pool
    ComboPooledDataSource myDataSource = new ComboPooledDataSource();

    // set the jdbc driver
    try {
        myDataSource.setDriverClass("oracle.jdbc.driver.OracleDriver");
    } catch (PropertyVetoException exc) {
        throw new RuntimeException(exc);
    }


    logger.info("jdbc.url=" + env.getProperty("jdbc.url"));
    logger.info("jdbc.user.cdl=" + env.getProperty("jdbc.user.cdl"));

    // set database connection props
    myDataSource.setJdbcUrl(env.getProperty("jdbc.url"));
    myDataSource.setUser(env.getProperty("jdbc.user.cdl"));
    myDataSource.setPassword(env.getProperty("jdbc.password.cdl"));

    // set connection pool props
    myDataSource.setInitialPoolSize(getIntProperty("connection.pool.initialPoolSize"));
    myDataSource.setMinPoolSize(getIntProperty("connection.pool.minPoolSize"));
    myDataSource.setMaxPoolSize(getIntProperty("connection.pool.maxPoolSize"));
    myDataSource.setMaxIdleTime(getIntProperty("connection.pool.maxIdleTime"));

    return myDataSource;
}
@Primary
@Bean(name="sessionFactoryCDL")
public LocalSessionFactoryBean sessionFactoryCDL() {

    // create session factorys
    LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();

    // set the properties
    sessionFactory.setDataSource(dataSourceCDL());
    sessionFactory.setPackagesToScan(env.getProperty("hibernate.packagesToScan.cdl"));
    sessionFactory.setHibernateProperties(getHibernateProperties());

    return sessionFactory;
}

@Primary
@Bean(name="transactionManagerCDL")
@Autowired
public HibernateTransactionManager transactionManagerCDL(SessionFactory sessionFactory) {

    // setup transaction manager based on session factory
    HibernateTransactionManager txManager = new HibernateTransactionManager();
    txManager.setSessionFactory(sessionFactory);

    return txManager;
}

}

db2Config.java
@Configuration
@EnableWebMvc
@EnableTransactionManagement
@ComponentScan("au.net.nbnco.mwoRoutingAPI")
@PropertySource({ "classpath:persistence-oracle-db.properties" })
public class RoutingAppConfigSAL implements WebMvcConfigurer {
@Autowired
private Environment env;

private Logger logger = Logger.getLogger(getClass().getName());

@Bean(name="dataSourceSAL")
public DataSource dataSourceSAL() {

    // create connection pool
    ComboPooledDataSource myDataSource = new ComboPooledDataSource();

    // set the jdbc driver
    try {
        myDataSource.setDriverClass("oracle.jdbc.driver.OracleDriver");
    } catch (PropertyVetoException exc) {
        throw new RuntimeException(exc);
    }


    logger.info("jdbc.url=" + env.getProperty("jdbc.url"));
    logger.info("jdbc.user.sal=" + env.getProperty("jdbc.user.sal"));

    // set database connection props
    myDataSource.setJdbcUrl(env.getProperty("jdbc.url"));
    myDataSource.setUser(env.getProperty("jdbc.user.sal"));
    myDataSource.setPassword(env.getProperty("jdbc.password.sal"));

    // set connection pool props
    myDataSource.setInitialPoolSize(getIntProperty("connection.pool.initialPoolSize"));
    myDataSource.setMinPoolSize(getIntProperty("connection.pool.minPoolSize"));
    myDataSource.setMaxPoolSize(getIntProperty("connection.pool.maxPoolSize"));
    myDataSource.setMaxIdleTime(getIntProperty("connection.pool.maxIdleTime"));

    return myDataSource;
}



@Bean(name="sessionFactorySAL")
public LocalSessionFactoryBean sessionFactorySAL() {

    // create session factorys
    LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();

    // set the properties
    sessionFactory.setDataSource(dataSourceSAL());
    sessionFactory.setPackagesToScan(env.getProperty("hibernate.packagesToScan.sal"));
    sessionFactory.setHibernateProperties(getHibernateProperties());

    return sessionFactory;
}

@Bean(name="transactionManagerSAL")
@Autowired
public HibernateTransactionManager transactionManagerSAL(SessionFactory sessionFactory) {

    // setup transaction manager based on session factory
    HibernateTransactionManager txManager = new HibernateTransactionManager();
    txManager.setSessionFactory(sessionFactory);

    return txManager;
}


private Properties getHibernateProperties() {

    // set hibernate properties
    Properties props = new Properties();

    props.setProperty("hibernate.dialect", env.getProperty("hibernate.dialect"));
    props.setProperty("hibernate.show_sql", env.getProperty("hibernate.show_sql"));

    return props;
}

// need a helper method
// read environment property and convert to int

private int getIntProperty(String propName) {

    String propVal = env.getProperty(propName);

    // now convert to int
    int intPropVal = Integer.parseInt(propVal);

    return intPropVal;
}

}

serviceClass.java

@服务

公共类RoutingServiceImpl实现了RoutingService {

@Autowired
private CISRoutingRegionDAO routingDAO;

@Autowired
private CISRoutingRegionCDLDAO routingCDLDAO;

@Override
@Transactional
public List<CISRoutingRegion> getRegions() {

    return routingDAO.getRegions();
}

@Override
@Transactional
public CISRoutingRegion getRegion(String theRegionId) {

    return routingDAO.getRegion(theRegionId);
}

@Override
@Transactional
public List<CISRoutingRegionCDL> getRegionsCDL() {
    // TODO Auto-generated method stub

    return routingCDLDAO.getRegions();
}

@Override
@Transactional
public CISRoutingRegionCDL getRegionCDL(String theRegionId){
    // TODO Auto-generated method stub

     return routingCDLDAO.getRegion(theRegionId);

}

}