title: The content of the element type "property" must match
body: <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd"&gt;
  &lt;beans&gt;
       &lt;bean id="triangle" class="bean.Trinangle"&gt;
           &lt;property name="points"&gt;
               &lt;list&gt;
                   &lt;ref bean="point1"/&gt;
                   &lt;ref bean="point2"/&gt;
                   &lt;ref bean="point3"/&gt;
               &lt;/list&gt;
           &lt;/property&gt;
       &lt;/bean&gt;
  
       &lt;bean id= "point1" class="bean.Point"&gt;
           &lt;property name="x" value="10"/&gt;
           &lt;property name="y" value="20"/&gt;
       &lt;/bean&gt;
  
       &lt;bean id= "point2" class="bean.Point"&gt;
           &lt;property name="x" value="10"/&gt;
           &lt;property name="y" value="20"/&gt;
       &lt;/bean&gt;
  
       &lt;bean id= "point3" class="bean.Point"&gt;
           &lt;property name="x" value="10"/&gt;
           &lt;property name="y" value="20"/&gt;
       &lt;/bean&gt;
  &lt;/beans&gt;              
  </code></pre>
  
  <p>Question:
  this is my XML file.on the 6 th line im getting error"he content of element type "property" must match "(description?,meta*,(bean|ref|idref|value|null|list|set|map|
   props)?)".".</p>