最近将Atomikos集成到项目出现连接池无法回收问题，折腾了几天找不到问题原因，麻烦大家看看什么原因导致。
properties配置文件：
validationQuery=SELECT 1 FROM DUAL
jdbc.initialSize=5
jdbc.maxActive=20
jdbc.maxWait=60000
jdbc.poolPreparedStatements=false
jdbc.poolMaximumIdleConnections=0
jdbc.testSql=SELECT 1 FROM DUAL
#jdbc.driverClassName=org.gjt.mm.mysql.Driver --mysql
jdbc.driverClassName=oracle.jdbc.driver.OracleDriver
jdbc.xaDataSourceClassName=com.alibaba.druid.pool.xa.DruidXADataSource
#jdbc.xaDataSourceClassName=com.mysql.jdbc.jdbc2.optional.MysqlXADataSource
common.jdbc.driver=oracle.jdbc.driver.OracleDriver
common.jdbc.url=jdbc:oracle:thin:@localhost :1521:orcl
common.jdbc.username=common_platform
common.jdbc.password=common
manage.jdbc.driver=oracle.jdbc.driver.OracleDriver
manage.jdbc.url=jdbc:oracle:thin:@localhost :1521:orcl
manage.jdbc.username=arch_app
manage.jdbc.password=11
using.jdbc.driver=oracle.jdbc.driver.OracleDriver
using.jdbc.url=jdbc:oracle:thin:@localhost :1521:orcl
using.jdbc.username=arch_using
using.jdbc.password=11
数据源配置文件：
<!-- 数据源配置, 使用 BoneCP 数据库连接池 -->
<bean id="commonDruidDataSource" class="com.alibaba.druid.pool.xa.DruidXADataSource"
init-method="init" destroy-method="close" >
<!-- 数据源驱动类可不写，Druid默认会自动根据URL识别DriverClass -->
<property name="driverClassName" value="${common.jdbc.driver}" />
<!-- 基本属性 url、user、password -->
<property name="url" value="${jdbc.url}" />
<property name="username" value="${common.jdbc.username}" />
<property name="password" value="${common.jdbc.password}" />
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="${jdbc.pool.init}" />
<property name="minIdle" value="${jdbc.pool.minIdle}" />
<property name="maxActive" value="${jdbc.pool.maxActive}" />
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="60000" />
<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<!-- 数据源链接测试 -->
<property name="validationQuery" value="${jdbc.testSql}" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<!-- 打开PSCache，并且指定每个连接上PSCache的大小（Oracle使用） -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
<!-- 配置监控统计拦截的filters -->
<property name="filters" value="stat" />
<!-- 超过时间限制是否回收 -->
<property name="removeAbandoned" value="false" />
<!-- 超时时间；单位为秒。180秒=3分钟 -->
<property name="removeAbandonedTimeout" value="30" />
<!-- 关闭abanded连接时输出错误日志 -->
<property name="logAbandoned" value="true" />
</bean>
<!-- 数据源配置, 使用 BoneCP 数据库连接池 -->
<bean id="manageDruidDataSource" class="com.alibaba.druid.pool.xa.DruidXADataSource"
init-method="init" destroy-method="close" >
<!-- 数据源驱动类可不写，Druid默认会自动根据URL识别DriverClass -->
<property name="driverClassName" value="${manage.jdbc.driver}" />
<!-- 基本属性 url、user、password -->
<property name="url" value="${jdbc.url}" />
<property name="username" value="${manage.jdbc.username}" />
<property name="password" value="${manage.jdbc.password}" />
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="${jdbc.pool.init}" />
<property name="minIdle" value="${jdbc.pool.minIdle}" />
<property name="maxActive" value="${jdbc.pool.maxActive}" />
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="60000" />
<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<!-- 数据源链接测试 -->
<property name="validationQuery" value="${jdbc.testSql}" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<!-- 打开PSCache，并且指定每个连接上PSCache的大小（Oracle使用） -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
<!-- 配置监控统计拦截的filters -->
<property name="filters" value="stat" />
<!-- 超过时间限制是否回收 -->
<property name="removeAbandoned" value="false" />
<!-- 超时时间；单位为秒。180秒=3分钟 -->
<property name="removeAbandonedTimeout" value="30" />
<!-- 关闭abanded连接时输出错误日志 -->
<property name="logAbandoned" value="true" />
</bean>
<!-- 数据源配置, 使用 BoneCP 数据库连接池 -->
<bean id="usingDruidDataSource" class="com.alibaba.druid.pool.xa.DruidXADataSource"
init-method="init" destroy-method="close" >
<!-- 数据源驱动类可不写，Druid默认会自动根据URL识别DriverClass -->
<property name="driverClassName" value="${using.jdbc.driver}" />
<!-- 基本属性 url、user、password -->
<property name="url" value="${jdbc.url}" />
<property name="username" value="${using.jdbc.username}" />
<property name="password" value="${using.jdbc.password}" />
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="${jdbc.pool.init}" />
<property name="minIdle" value="${jdbc.pool.minIdle}" />
<property name="maxActive" value="${jdbc.pool.maxActive}" />
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="60000" />
<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<!-- 数据源链接测试 -->
<property name="validationQuery" value="${jdbc.testSql}" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<!-- 打开PSCache，并且指定每个连接上PSCache的大小（Oracle使用） -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
<!-- 配置监控统计拦截的filters -->
<property name="filters" value="stat" />
<!-- 超过时间限制是否回收-->
<property name="removeAbandoned" value="false" />
<!-- 超时时间；单位为秒。180秒=3分钟 -->
<property name="removeAbandonedTimeout" value="30" />
<!-- 关闭abanded连接时输出错误日志-->
<property name="logAbandoned" value="true" />
</bean>
<!-- com.atomikos.jdbc.nonxa.AtomikosNonXADataSourceBean -->
<!-- -->
<bean id="commonDataSource" class="com.atomikos.jdbc.AtomikosDataSourceBean"
init-method="init" destroy-method="close">
<property name="uniqueResourceName" value="commonDataSource" />
<property name="xaDataSource" ref="commonDruidDataSource"></property>
</bean>
<!-- -->
<bean id="manageDataSource" class="com.atomikos.jdbc.AtomikosDataSourceBean"
init-method="init" destroy-method="close">
<property name="uniqueResourceName" value="manageDataSource" />
<property name="xaDataSource" ref="manageDruidDataSource"></property>
</bean>
<bean id="usingDataSource" class="com.atomikos.jdbc.AtomikosDataSourceBean"
init-method="init" destroy-method="close">
<property name="uniqueResourceName" value="usingDataSource" />
<property name="xaDataSource" ref="usingDruidDataSource"></property>
</bean>
<!-- 多数据源定义 -->
<bean id="dataSource" class="com.minstone.common.datasource.DataSources">
<property name="targetDataSources">
<map key-type="java.lang.String">
<entry value-ref="commonDruidDataSource" key="DEFAULT"></entry>
<entry value-ref="manageDruidDataSource" key="LOCALHOST_ARCH_APP"></entry>
<entry value-ref="usingDruidDataSource" key="LOCALHOST_ARCH_USING"></entry>
</map>
</property>
<property name="defaultTargetDataSource" ref="commonDruidDataSource" />
</bean>
<!-- 动态创建多数据源 -->
<bean id="dynamicCreateDataSource" class="com.minstone.common.datasource.DynamicCreateDataSourceBean">
<property name="dynamicDataSource" ref="dataSource" ></property>
</bean>
sping配置文件：
<context:property-placeholder ignore-unresolvable="true" location="classpath:common.properties,classpath:datasource.properties" />
<!-- 加载应用属性实例，可通过 @Value("#{APP_PROP['jdbc.driver']}") String jdbcDriver 方式引用 -->
<util:properties id="APP_PROP" location="classpath:common.properties,classpath:datasource.properties" local-override="true"/>
<!-- 使用Annotation自动注册Bean，解决事物失效问题：在主容器中只扫描@Service不扫描@Controller -->
<context:component-scan base-package="com.minstone"><!-- base-package 如果多个，用“,”分隔 -->
<context:include-filter type="annotation" expression="org.springframework.stereotype.Service"/>
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 配置 JSR303 Bean Validator 定义 -->
<bean id="validator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean" />
<!-- 缓存配置 -->
<bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean">
<property name="configLocation" value="classpath:ehcache-local.xml" />
</bean>
<!-- 连接池配置 -->
<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
<!-- 连接池中最大空闲的连接数 -->
<property name="maxIdle" value="${redis.maxIdle}"></property>
<!-- 连接空闲的最小时间，达到此值后空闲连接将可能会被移除。负值(-1)表示不移除. -->
<property name="minEvictableIdleTimeMillis" value="${redis.minEvictableIdleTimeMillis}"></property>
<!-- 对于“空闲链接”检测线程而言，每次检测的链接资源的个数。默认为3 -->
<property name="numTestsPerEvictionRun" value="${redis.numTestsPerEvictionRun}"></property>
<!-- “空闲链接”检测线程，检测的周期，毫秒数。如果为负值，表示不运行“检测线程”。默认为-1. -->
<property name="timeBetweenEvictionRunsMillis" value="${redis.timeBetweenEvictionRunsMillis}"></property>
</bean>
<bean id="redisManager" class="com.minstone.common.utils.redis.RedisManager">
<!-- 连接池配置 -->
<property name="jedisPoolConfig" ref="jedisPoolConfig"></property>
<!-- Redis服务主机 -->
<property name="host" value="${redis.host}"></property>
<!-- Redis服务端口号 -->
<property name="port" value="${redis.port}"></property>
<!-- 连超时设置 -->
<property name="timeout" value="${redis.timeout}"></property>
<!-- 是否使用连接池 -->
<property name="usePool" value="${redis.usePool}"></property>
<!-- Redis服务连接密码 -->
<property name="password" value="${redis.password}"></property>
</bean>
<!-- 计划任务配置，用 @Service @Lazy(false)标注类，用@Scheduled(cron = "0 0 2 * * ?")标注方法 -->
<task:executor id="executor" pool-size="10"/>
<task:scheduler id="scheduler" pool-size="10"/>
<task:annotation-driven scheduler="scheduler" executor="executor" proxy-target-class="true"/>
<!-- 导入多数据源配置文件 -->
<import resource="classpath:dataSources.xml" />
<bean id="commonSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="commonDataSource"/>
<property name="typeAliasesPackage" value="com.minstone.common,com.minstone.modules"/>
<property name="typeAliasesSuperType" value="com.minstone.common.persistence.BaseEntity"/>
<property name="mapperLocations" value="classpath*:/mappings/modules/**/*.xml"/>
<property name="configLocation" value="classpath:/mybatis-config.xml"></property>
</bean>
<!-- 扫描basePackage下所有以@MyBatisDao注解的接口 -->
<bean id="commomMapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="commonSessionFactory" />
<property name="basePackage" value="com.minstone.common,com.minstone.modules"/>
<property name="annotationClass" value="com.minstone.common.persistence.annotation.MyBatisDao"/>
</bean>
<!-- -->
<bean id="manageSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="manageDataSource"/>
<property name="typeAliasesPackage" value="com.minstone.archive.manage"/>
<property name="typeAliasesSuperType" value="com.minstone.common.persistence.BaseEntity"/>
<property name="mapperLocations" value="classpath*:/mappings/archive/manage/**/*.xml"/>
<property name="configLocation" value="classpath:/mybatis-config.xml"></property>
</bean>
<bean id="manageMapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="manageSessionFactory" />
<property name="basePackage" value="com.minstone.archive.manage"/>
<property name="annotationClass" value="com.minstone.common.persistence.annotation.MyBatisDao"/>
</bean>
<bean id="usingSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="usingDataSource"/>
<property name="typeAliasesPackage" value="com.minstone.archive.using"/>
<property name="typeAliasesSuperType" value="com.minstone.common.persistence.BaseEntity"/>
<property name="mapperLocations" value="classpath*:/mappings/archive/using/**/*.xml"/>
<property name="configLocation" value="classpath:/mybatis-config.xml"></property>
</bean>
<bean id="usingMapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="sqlSessionFactoryBeanName" value="usingSessionFactory" />
<property name="basePackage" value="com.minstone.archive.using"/>
<property name="annotationClass" value="com.minstone.common.persistence.annotation.MyBatisDao"/>
</bean>
<bean id="atomikosTransactionManager" class="com.atomikos.icatch.jta.UserTransactionManager" init-method="init" destroy-method="close">
<property name="forceShutdown">
<value>true</value>
</property>
</bean>
<bean id="atomikosUserTransaction" class="com.atomikos.icatch.jta.UserTransactionImp">
<property name="transactionTimeout" value="300" />
</bean>
<!-- spring 事务管理器 -->
<bean id="transactionManager" class="org.springframework.transaction.jta.JtaTransactionManager">
<property name="transactionManager" ref="atomikosTransactionManager" />
<property name="userTransaction" ref="atomikosUserTransaction" />
<!-- 必须设置，否则程序出现异常 JtaTransactionManager does not support custom isolation levels by default -->
<property name="allowCustomIsolationLevels" value="true"/>
</bean>
<!-- 配置 Annotation 驱动，扫描@Transactional注解的类定义事务 -->
<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>
<!-- Spring 统一异常处理 ExceptionAdvisor配置 -->
<bean id="exceptionHandler" class="com.minstone.common.exception.ExceptionAdvisor"></bean>
<!-- Bean自动代理处理器 配置 -->
<bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
<property name="beanNames">
<list> <!-- 配置需要进行日志记录的Service和Dao -->
<value>*Dao</value>
<!-- 配置所有Service结尾命名的Bean，即所有Service层的类都要经过exceptionHandler异常处理类 -->
<value>*Utils</value>
</list>
</property>
<property name="interceptorNames">
<list>
<value>exceptionHandler</value>
</list>
</property>
</bean>
请问下我的配置跟一样，但是每次都出现：
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'com.alibaba.druid.pool.xa.DruidXADataSource ' is defined 是怎么回事呢？
可能是你没有引入druid的jar包