title: context:property-placeholder does not work
body: <p>I was tasked by relative simple tast but i got stuck at this point. My question is</p>
  
  <p>Are these two syntaxes equal?</p>
  
  <p>A</p>
  
  <pre><code>&lt;context:property-placeholder location="classpath:application.properties" system-properties-mode="OVERRIDE"/&gt; 
  </code></pre>
  
  <p>B</p>
  
  <pre><code>&lt;bean id="placeholderConfig" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"&gt;
      &lt;property name="location" value="classpath:application.properties"/&gt;
      &lt;property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/&gt;
  &lt;/bean&gt;
  </code></pre>
  
  <p>AppContext</p>
  
  <pre><code>&lt;beans
  xmlns="http://www.springframework.org/schema/beans"
  xmlns:tx="http://www.springframework.org/schema/tx"
  xmlns:context="http://www.springframework.org/schema/context"
  xmlns:security="http://www.springframework.org/schema/security"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
      http://www.springframework.org/schema/tx
      http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context-3.1.xsd
      http://www.springframework.org/schema/security
      http://www.springframework.org/schema/security/spring-security-3.1.xsd"
  &gt;
  </code></pre>
  
  <p>And result is here</p>
  
  <pre><code> https://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
  </code></pre>