我对如何使用
在spring spring-datasource.xml中获取实体Manager Factory感到困惑
我做了以下事情:
spring-datasource.xml文件:
<tx:jta-transaction-manager id="transactionManager" />
<tx:annotation-driven mode="proxy"
transaction-manager="transactionManager" />
<jee:jndi-lookup id="entityManagerFactory" jndi-name="jdbc/mysqldatasource" />
的persistence.xml
<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0"
xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://java.sun.com/xml/ns/persistence
http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
<persistence-unit name="ebankingUnit"
transaction-type="JTA">
<jta-data-source>jdbc/mysqldatasource</jta-data-source>
<class>com.datamodel.Product</class>
<properties>
<property name="eclipselink.logging.level" value="INFO" />
<property name="eclipselink.query-results-cache.expiry"
value="5000" />
<property name="eclipselink.ddl-generation" value="create-tables" />
<property name="hibernate.hbm2ddl.auto" value="none" />
</properties>
</persistence-unit>
但是我得到了
答案 0 :(得分:0)
这是使用Spring 3.x的配置,用于oracle。
<tx:annotation-driven/>
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
<!-- FactoryBean that creates the EntityManagerFactory -->
<bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<property name="database" value="ORACLE" />
<property name="showSql" value="false" />
</bean>
</property>
<property name="packagesToScan" value="blah.com..domain" />
<property name="jpaProperties">
<props>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
</props>
</property>
<property name="dataSource" ref="dataSource" />
</bean>
<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
<property name="jndiName" value="java:comp/env/myoracledb}" />
</bean>
现在在web.xml中定义myoracledb jndi资源
<Resource name="myoracledb" auth="Container"
type="javax.sql.DataSource"
driverClassName="oracle.jdbc.OracleDriver"
maxActive="50"
url="your db url"
username="dbuser" password="dbpwd" />
此致