Start state is missing. Add at least one state to the flow

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>