springmvc配置过程中，会配置数据库文件，比如说如下文件；这个时候可能会出现“Start state is missing. Add at least one state to the flow”错误，解决方法是：
<?xmlversion="1.0"encoding="UTF-8"?>
<beansxmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.0.xsd ">
<context:component-scanbase-package="enterpriseinternalmanagement.">
<context:exclude-filtertype="annotation"expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!-- 导入资源文件 -->
<context:property-placeholderlocation="classpath:jdbc.properties"/>
<!-- 连接数据库 -->
<beanclass="org.apache.commons.dbcp.BasicDataSource">
<propertyname="username"value="${user}"></property>
<propertyname="password"value="${password}"></property>
<propertyname="url"value="${jdbcUrl}"></property>
<propertyname="driverClassName"value="${driver}"></property>
<propertyname="initialSize"value="3"></property>
<propertyname="maxActive"value="80"></property>
<propertyname="maxIdle"value="20"></property>
<propertyname="minIdle"value="2"></property>
<propertyname="maxWait"value="3000"></property>
<propertyname="testOnBorrow"><value>true</value></property>
<propertyname="testWhileIdle"><value>true</value></property>
<propertyname="testOnReturn"><value>true</value></property>
<propertyname="removeAbandoned"><value>true</value></property>
<propertyname="removeAbandonedTimeout"><value>300</value></property>
<propertyname="logAbandoned"><value>true</value></property>
</bean>
</beans>
