世界上最悲剧的事，缺少类文件，却找不到jar包

Question

java spring data jpa

Answer 1

配置扫描目录后   applicationContext.xml  里面的bean 配置是否正确？

Answer 2

我也觉得是，但是不知道是那个jar，你看下我这还缺什么包

Answer 3

applicationContext.xml 里还需要配置什么bean 就配了数据源
entity配置在META-INF/persistence.xml 里

Answer 4

最土的方法就是把所有的jar都丢进去，然后运行看看

Answer 5

用的tomcat启动？把tomcat-->你的工程下面的j2ee.jar删了试试能不能启动吧

Answer 6

不行 会报这个java.lang.NoClassDefFoundError: javax/servlet/Filter

Answer 7

applicationContext.xml这个文件什么内容，看看

Answer 8

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:tx="http://www.springframework.org/schema/tx" 
    xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:ehcache="http://ehcache-spring-annotations.googlecode.com/svn/schema/ehcache-spring"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
    http://www.springframework.org/schema/tx    
    http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
    http://www.springframework.org/schema/data/jpa
    http://www.springframework.org/schema/data/jpa/spring-jpa-1.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://ehcache-spring-annotations.googlecode.com/svn/schema/ehcache-spring     
http://ehcache-spring-annotations.googlecode.com/svn/schema/ehcache-spring/ehcache-spring-1.1.xsd
">
<!-- 配置自动注入-->
<context:annotation-config/> 
<!-- info3 交给spring过滤器托管 -->
<bean id="springFilter" class="com.infoservice.mvc.FilterDispatcher"></bean>
<!-- 定义实体管理器工厂 -->
     <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">  
             <property name="persistenceUnitName" value="HibernateJPAPU"/>
     </bean>
         
     <!-- 配置事务管理器 -->  
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">  
         <property name="entityManagerFactory" ref="entityManagerFactory" />  
    </bean> 
       
    <!-- 启用 annotation事务--> 
    <tx:annotation-driven transaction-manager="transactionManager"/> 

<jpa:repositories base-package="com.hr.dao"/>
   <!-- 扫描符合@Service @Repository的类 
    <context:component-scan base-package="com.hr" use-default-filters="false">
    <context:include-filter type="annotation" expression="org.springframework.stereotype.Service" />
     <context:include-filter type="annotation" expression="org.springframework.stereotype.Repository" />
</context:component-scan>
-->

<!--缓存机制
<ehcache:annotation-driven cache-manager="ehCacheManager" />
<bean id="ehCacheManager" class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean">    
<property name="configLocation" value="classpath:ehcache.xml" />
</bean>
-->
<!-- 配置SpringDataJpa文件 
<import resource="SpringDataJPA.xml"/>
-->
<!-- SpringData指定扫描目录配置文件
<import resource="RepositoryScan.xml"/>
 -->
<!-- 配置定时任务文件 
<import resource="Schedule.xml"/>
-->

</beans>