Spring构造方法注入时，注入一种方法时正常注入多种时报错

Spring构造方法注入时，注入一种方法时正常注入多种时报错，求助

package test;



import org.apache.commons.lang.builder.ToStringBuilder;

import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.support.BeanDefinitionRegistry;

import org.springframework.beans.factory.support.DefaultListableBeanFactory;

//import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;

//import org.springframework.beans.factory.xml.XmlBeanFactory;

//import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

//import org.springframework.core.io.ClassPathResource;



public class MockBusinessObject {

	private String dependency1;

	private int dependency;

	public MockBusinessObject(String dependency)

	{

		this.dependency1 = dependency; 

	}

	public MockBusinessObject(int dependency)

	{

		this.dependency = dependency;

	}

	public int getMockBusinessObject(int dependency)

	{

		return dependency;

	}

	@Override

	public String toString() {

		return new ToStringBuilder(this).append("dependency1", dependency1).append("dependency", dependency).toString();

	}

	public static void main(String[] args)

	{

		DefaultListableBeanFactory beanRegistry = new DefaultListableBeanFactory();

		BeanFactory container = (BeanFactory)bindViaXMLFile(beanRegistry);

		MockBusinessObject mockBusinessObject = (MockBusinessObject)container.getBean("MockBusinessObject");

		System.out.println(mockBusinessObject.toString());

	}

	public static BeanFactory bindViaXMLFile(BeanDefinitionRegistry registry) 

	{

		//XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(registry);

		//reader.loadBeanDefinitions("classpath:/test/NewFile.xml");

		//return (BeanFactory)registry;

		//return new XmlBeanFactory(new ClassPathResource("/test/NewFile.xml"));

		return new ClassPathXmlApplicationContext("classpath:/test/NewFile.xml"); 

	}

}

<?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:util="http://www.springframework.org/schema/util" 

xmlns:jee="http://www.springframework.org/schema/jee"

xmlns:lang="http://www.springframework.org/schema/lang" 

xmlns:aop="http://www.springframework.org/schema/aop" 

xmlns:tx="http://www.springframework.org/schema/tx"

xsi:schemaLocation="http://www.springframework.org/schema/beans 

http://www.springframework.org/schema/beans/spring-beans-2.0.xsd 

http://www.springframework.org/schema/util

http://www.springframework.org/schema/util/spring-util-2.0.xsd 

http://www.springframework.org/schema/jee 

http://www.springframework.org/schema/jee/spring-jee-2.0.xsd 

http://www.springframework.org/schema/lang 

http://www.springframework.org/schema/lang/spring-lang-2.0.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">

	<bean id="MockBusinessObject" class="test.MockBusinessObject">

	    <constructor-arg index="0" value="111111"/>

	    <constructor-arg index="1" value="222222"/>

	</bean>

</beans>

如果只注入value="111111"，下一行注释掉就正常，加上第二行就报错如下
一月 17, 2014 3:56:08 下午 org.springframework.context.support.ClassPathXmlApplicationContext prepareRefresh
信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@15b011c: startup date [Fri Jan 17 15:56:08 CST 2014]; root of context hierarchy
一月 17, 2014 3:56:09 下午 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
信息: Loading XML bean definitions from class path resource [test/NewFile.xml]
一月 17, 2014 3:56:10 下午 org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons
信息: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@699df5: defining beans [MockBusinessObject]; root of factory hierarchy
一月 17, 2014 3:56:10 下午 org.springframework.beans.factory.support.DefaultListableBeanFactory destroySingletons
信息: Destroying singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@699df5: defining beans [MockBusinessObject]; root of factory hierarchy
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'MockBusinessObject' defined in class path resource [test/NewFile.xml]: Could not resolve matching constructor (hint: specify index/type/name arguments for simple parameters to avoid type ambiguities)
at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:250)