Problem with commandButton action listener! Help

I have a problem with the following and its driving me crazy!!
I'm getting a java.lang.NoSuchMethodException for RoomHandler.flipBoard. It seems to render the button correctly with its value. But I can't see why It can't find that method, because its definetly in the bean...
please see below
My view:
<f:view>
     <h:form id="room">
          <h:commandButton id="flipBoard" type="submit" value="#{room.flipBoardText}" actionListener="#{room.flipBoard}" />
          <h:messages />
     </h:form>
</f:view>
...and My Bean:
public class RoomHandler
     public RoomHandler()
     public String getFlipBoardText()
             String text = "";
             if (getWhiteOnBottom())
               text = "White";
             else
                      text = "Black";
             text += " on bottom";
             return text;
     public void flipBoard(ActionEvent e)
          System.out.println("Hello");
My Facesconfig..
<managed-bean>
     <managed-bean-name>room</managed-bean-name>
     <managed-bean-class>uk.RoomHandler</managed-bean-class>
     <managed-bean-scope>session</managed-bean-scope>
</managed-bean>Any ideas?

Sorted! I think...
Must have been a problem with myEclipse not deploying the correct class. (i think anyway)

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