title: javax.faces.el.VariableResolver Classcast Exception with SpringBeanFacesELResolver
body: <p>I am trying to upgrade to JSF2 and Spring 3.0.5, I am getting the following error when I deploy to Tomcat.</p>
  
  <p>Any help appreciated.</p>
  
  <pre><code>SEVERE: Exception sending context initialized event to listener instance of class com.sun.faces.config.ConfigureListener
  java.lang.RuntimeException: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! org.springframework.web.jsf.el.SpringBeanFacesELResolver cannot be cast to javax.faces.el.VariableResolver
      at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:292)
      at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4723)
      at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5226)
      at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5221)
      at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
      at java.util.concurrent.FutureTask.run(FutureTask.java:138)
      at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
      at java.lang.Thread.run(Thread.java:619)
  Caused by: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! org.springframework.web.jsf.el.SpringBeanFacesELResolver cannot be cast to javax.faces.el.VariableResolver
      at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:375)
      at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:225)
      ... 8 more
  Caused by: java.lang.ClassCastException: org.springframework.web.jsf.el.SpringBeanFacesELResolver cannot be cast to javax.faces.el.VariableResolver
      at com.sun.faces.config.processor.ApplicationConfigProcessor.addVariableResolver(ApplicationConfigProcessor.java:652)
      at com.sun.faces.config.processor.ApplicationConfigProcessor.process(ApplicationConfigProcessor.java:305)
      at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114)
      at com.sun.faces.config.processor.LifecycleConfigProcessor.process(LifecycleConfigProcessor.java:116)
      at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114)
      at com.sun.faces.config.processor.FactoryConfigProcessor.process(FactoryConfigProcessor.java:222)
      at com.sun.faces.config.ConfigManager.initialize(ConfigM
  </code></pre>
  
  <p>anager.java:360)</p>