How do I configure dynamic weaving using EclipseLink & Spring?

For weaving with Spring I believe you need something like,

<bean id="persistenceUnitManager" class="org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager">    <property name="defaultDataSource" ref="dataSource" />    <property name="dataSources">        <map>            <entry>                <key>                    <value>jdbc/__default</value>                </key>                <ref bean="dataSource" />            </entry>            <entry>                <key>                    <value>jdbc/jta</value>                </key>                <ref bean="dataSource" />            </entry>        </map>    </property>    <property name="loadTimeWeaver">        <bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver" />    </property></bean>

There is some information here,

http://wiki.eclipse.org/EclipseLink/Examples/JPA/JPASpring

Ensure you are not accessing your classes before accessing the Spring context.

Another solution is to use static weaving.

Now, I am also using EclipseLink 2.2 and Spring 3.1 as below. My configuration is a little different with yours.There is no loadTimeWeaver configuration in your eclipseLinkEntityManagerFactory. I think, it will be ok if you use as below.

Please, try as below with your Oracle DB information..

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"       xmlns:context="http://www.springframework.org/schema/context"       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"       xmlns:faces="http://www.springframework.org/schema/faces"       xmlns:int-security="http://www.springframework.org/schema/integration/security"       xmlns:tx="http://www.springframework.org/schema/tx" xmlns:sec="http://www.springframework.org/schema/security"       xmlns:util="http://www.springframework.org/schema/util"       xsi:schemaLocation="http://www.springframework.org/schema/integration/security http://www.springframework.org/schema/integration/security/spring-integration-security-2.0.xsd        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd        http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.xsd        http://www.springframework.org/schema/integration http://www.springframework.org/schema/integration/spring-integration.xsd        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd        http://www.springframework.org/schema/faces http://www.springframework.org/schema/faces/spring-faces-2.0.xsd        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd">    <context:annotation-config/>        <context:component-scan base-package="your-package"/>    <tx:annotation-driven transaction-manager="transactionManager" />    <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/>    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">        <property name="driverClassName" value="your-driver"/>        <property name="url" value="your-database-url"/>        <property name="username" value="your-username"/>        <property name="password" value="your-passowrd"/>    </bean>    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">        <property name="entityManagerFactory" ref="entityManagerFactory"/>    </bean>    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"><!--        <property name="dataSource" ref="dataSource"/>-->        <property name="persistenceUnitName" value="your-persistence-unit-name"/>        <property name="jpaVendorAdapter" ref="jpaVendorAdapter"/>        <property name="jpaDialect">            <bean class="org.springframework.orm.jpa.vendor.EclipseLinkJpaDialect"/>        </property>        <property name="jpaPropertyMap">            <props>                <prop key="eclipselink.weaving">false</prop>            </props>        </property>        <property name="loadTimeWeaver">            <bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver">            </bean>        </property>    </bean>    <bean id="jpaVendorAdapter" class="org.springframework.orm.jpa.vendor.EclipseLinkJpaVendorAdapter">        <property name="databasePlatform" value="org.eclipse.persistence.platform.database.OraclePlatform" />        <property name="generateDdl" value="false"/>        <property name="showSql" value="true"/>    </bean></beans>

copy org.springframework.instrument-3.1.0.M2.jar into tomcat/lib directory and try it again.