title: Class not found using javaConfig
body: <p>I am using annotations to dynamically create a Bean, I get the following errors.</p>
  
  <pre><code>package demoproject;
  
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  @Configuration
  public class ProductFactory {
  
      public ProductFactory() {
          // TODO Auto-generated constructor stub
      }
  
      @Bean   
      public Product josh(){
          Product josh = new Battery();
          josh.setId("cdrw");
          josh.setPrice(100);
          return josh;
      }
  }
  </code></pre>
  
  <p>web.xml</p>
  
  <pre><code> &lt;!-- Bean for JavaConfig --&gt;
     &lt;bean  class='demoproject.ProductFactory' /&gt;
     &lt;!-- be sure to include the JavaConfig bean post-processor --&gt;
     &lt;bean class="org.springframework.config.java.process.ConfigurationPostProcessor"/&gt;
  </code></pre>
  
  <p>Error log </p>
  
  <pre><code>Exception in thread "main" org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [org.springframework.config.java.process.ConfigurationPostProcessor] for bean with name 'org.springframework.config.java.process.ConfigurationPostProcessor#0' defined in class path resource [web.xml]; nested exception is java.lang.ClassNotFoundException: org.springframework.config.java.process.ConfigurationPostProcessor
      at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1275)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:575)
      at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1344)
      at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:910)
      at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:607)
      at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:932)
      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:479)
      at org.springframework.context.support.ClassPathXmlApplicationContext.&lt;init&gt;(ClassPathXmlApplicationContext.java:139)
      at org.springframework.context.support.ClassPathXmlApplicationContext.&lt;init&gt;(ClassPathXmlApplicationContext.java:83)
      at demoproject.ProductCreater.main(ProductCreater.java:31)
  Caused by: java.lang.ClassNotFoundException: org.springframework.config.java.process.ConfigurationPostProcessor
      at java.net.URLClassLoader$1.run(Unknown Source)
      at java.net.URLClassLoader$1.run(Unknown Source)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.net.URLClassLoader.findClass(Unknown Source)
      at java.lang.ClassLoader.loadClass(Unknown Source)
      at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
      at java.lang.ClassLoader.loadClass(Unknown Source)
      at org.springframework.util.ClassUtils.forName(ClassUtils.java:260)
      at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:416)
      at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1296)
      at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1267)
      ... 9 more
  </code></pre>
  
  <p>How can I know what's causing the error, and is there any fix I can try for this?</p>