新建springboot项目时,entityManagerFactory报错的解决

<beans>
<bean id="myEmf" class="org.springframework.ORM.jpa.LocalEntityManagerFactoryBean">
<property name="persistenceUnitName" value="myPersistenceUnit"/>
</bean>
</beans>

<beans>
<jee:jndi-lookup id="myEmf" jndi-name="persistence/myPersistenceUnit"/>
</beans>

   <Resource name="" auth="Container" type="javax.sql.DataSource" 
       username="" 
       passWord=""
       driveClassName="oracle.jdbc.driver.OracleDriver" 
       url="" maxActive="45" maxIdle="25"/>

    <!-- Resource configuration for UserTransaction
         use JOTM -->
    <Resource name="UserTransaction" auth="Container"
        type="javax.transaction.UserTransaction"
        factory="org.objectweb.jotm.UserTransactionFactory"
        jotm.timeout="60"/>

   <ResourceLink name="UserTransaction"
            global="UserTransaction"
            type="javax.transaction.UserTransaction"/> 
 

<beans>
<bean id="myEmf" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="someDataSource"/>
<property name="loadTimeWeaver">
<bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver"/>
</property>
</bean>
</beans>

<persistence xmlns="Http://java.sun.com/xml/ns/persistence" version="1.0">
<persistence-unit name="myUnit" transaction-type="RESOURCE_LOCAL">
<mapping-file>META-INF/orm.xml</mapping-file>
<exclude-unlisted-classes/>
</persistence-unit>
</persistence>

<bean id="pum" class="org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager">
<property name="persistenceXmlLocations">
<list>
<value>org/springframework/orm/jpa/domain/persistence-multi.xml</value>
<value>classpath:/my/packagecustom-persistence.xml</value>
<value>classpath*:META-INF/persistence.xml</value>
</list>
</property>
<property name="dataSources">
<map>
<entry key="localDataSource" value-ref="local-db"/>
<entry key="remoteDataSource" value-ref="remote-db"/>
</map>
</property>
<!-- if no datasource is specified, use this one -->
<property name="defaultDataSource" ref="remoteDataSource"/>
</bean>
<bean id="emf" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="persistenceUnitManager" ref="pum"/>
<property name="persistenceUnitName" value="myCustomUnit"/>
</bean>

public class ProductDaoImpl implements ProductDao {
private EntityManagerFactory emf;
@PersistenceUnit
public void setEntityManagerFactory(EntityManagerFactory emf) {
this.emf = emf;
}
public Collection loadProductsByCateGory(String category) {
EntityManager em = this.emf.createEntityManager();
try {
Query query = em.createQuery("from Product as p where p.category = ?1");
query.setParameter(1, category);
return query.getResultList();
}
finally {
if (em != null) {
em.close();
}
}
}
}

public class ProductDaoImpl implements ProductDao {
@PersistenceContext
private EntityManager em;
public Collection loadProductsByCategory(String category) {
Query query = em.createQuery("from Product as p where p.category = :category");
query.setParameter("category", category);
return query.getResultList();
}
}