[英]Spring-Hibernate using multiple datasource/database
我正在开发一个使用Spring MVC 3和Hibernate的Web应用程序
我想为我的Web应用程序使用2个数据源MySql和Oracle数据库,
我已经阅读了许多关于“spring-hibernate multiple datasource / database”的教程和解决问题的例子:
等等。
但是每当我运行它时,配置只读取我的第一个数据库配置(MySql)并显示此错误Table 'db_prod.ksei_lookup_holiday' doesn't exist
db.prod是我的第一个数据库(MySql)而KSEI_LOOKUP_HOLIDAY是我的第二个数据库(Oracle),则
这是我的spring.xml
<tx:annotation-driven transaction-manager="transactionManager"/>
<tx:annotation-driven transaction-manager="transactionManagerSOAAPP"/>
<context:annotation-config />
<context:component-scan base-package="prod.support" />
<!-- Database MySql, Desktop -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/db_prod" />
<property name="username" value="root" />
<property name="password" value="shikamaru" />
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="configurationClass" value="org.hibernate.cfg.AnnotationConfiguration"></property>
<property name="dataSource" ref="dataSource"></property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="packagesToScan" value="prod.support.model.splatter" />
</bean>
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager"
p:sessionFactory-ref="sessionFactory">
</bean>
<!-- Database Oracle, Schema : SOAAPP -->
<bean id="dataSourceSOAAPP" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="oracle.jdbc.driver.OracleDriver" />
<property name="url" value="jdbc:oracle:thin:@localhost:1521:XE" />
<property name="username" value="splatter" />
<property name="password" value="shikamaru" />
</bean>
<bean id="sessionFactorySOAAPP"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="configurationClass" value="org.hibernate.cfg.AnnotationConfiguration"></property>
<property name="dataSource" ref="dataSource"></property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="packagesToScan" value="prod.support.model.soaapp" />
</bean>
<bean id="transactionManagerSOAAPP"
class="org.springframework.orm.hibernate3.HibernateTransactionManager"
p:sessionFactory-ref="sessionFactorySOAAPP">
</bean>
这是我的第一个数据库(MySql)的DAO实现
@Repository
@Qualifier(value="sessionFactory")
public class UserDaoImpl extends HibernateDaoSupport implements UserDao{
@Autowired
private UserDaoImpl(SessionFactory sessionFactory){
setSessionFactory(sessionFactory);
}
这是我的第二个数据库(Oracle)的DAO实现
@Repository
@Qualifier(value="sessionFactorySOAAPP")
public class UpdateKSEIDaoImpl extends HibernateDaoSupport implements UpdateKSEIDao{
@Autowired
private UpdateKSEIDaoImpl(SessionFactory sessionFactorySOAAPP){
setSessionFactory(sessionFactorySOAAPP);
}
任何帮助都会很愉快:)
问题是你已经习惯了
sessionFactorySOAAPP
<property name="dataSource" ref="dataSource"></property>
。
您应该使用<property name="dataSource" ref="dataSourceSOAAPP"></property>
如果选中“sessionFactorySOAAPP”,则下面的属性名称应为“dataSourceSOAAPP”,而不是“dataSource”。
这是我的配置文件:
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url"
value="jdbc:mysql://localhost:3306/gl?characterEncoding=UTF-8" />
<property name="username" value="root" />
<property name="password" value="2238295" />
</bean>
<bean id="mainDataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url"
value="jdbc:mysql://localhost:3306/gl_main?characterEncoding=UTF-8" />
<property name="username" value="root" />
<property name="password" value="2238295" />
</bean>
<!-- Hibernate 4 SessionFactory Bean definition -->
<bean id="sfAccounting"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="packagesToScan" value="com.gl.domain.accounting" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.connection.useUnicode">true</prop>
<prop key="hibernate.connection.characterEncoding">UTF-8</prop>
<prop key="hibernate.connection.charSet">UTF-8</prop>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect
</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.show_sql">false</prop>
</props>
</property>
</bean>
<!-- Hibernate 4 SessionFactory Bean definition -->
<bean id="sfCommon"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="mainDataSource" />
<property name="packagesToScan" value="com.gl.domain.common" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.connection.useUnicode">true</prop>
<prop key="hibernate.connection.characterEncoding">UTF-8</prop>
<prop key="hibernate.connection.charSet">UTF-8</prop>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect
</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.show_sql">false</prop>
</props>
</property>
</bean>
<tx:annotation-driven transaction-manager="txnManagerAccounting"/>
<tx:annotation-driven transaction-manager="txnManagerCommon"/>
<bean id="txnManagerAccounting"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sfAccounting" />
</bean>
<bean id="txnManagerCommon"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sfCommon" />
</bean>
<bean id="persistenceExceptionTranslationPostProcessor"
class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" />
@geoand在他发现的错误中是正确的。 除此之外,上下文xml似乎正确并适合我。 但是,对我来说,只有@qualifier与@Autowired一起使用才有效。
@Repository
public class BusinessDaoImpl implements BusinessDao
{
@Autowired
@Qualifier(value="sessionFactory")
SessionFactory sessionFactory;
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