Help compiling castor ibm java example

C:\Users\Office...\com\pstephens\xml>javac -cp %CP% MarshalTester.java
MarshalTester.java:11: cannot find symbol

symbol : class CD
location: class ibm.xml.castor.MarshalTester
      CD sessions = new CD("Sessions for Robert J", "Eric Clapton");
      ^
MarshalTester.java:11: cannot find symbol
symbol : class CD
location: class ibm.xml.castor.MarshalTester
      CD sessions = new CD("Sessions for Robert J", "Eric Clapton");
                        ^
2 errors

03/03/2008 02:21 PM 2,115 CastorTest.java
26/02/2008 01:12 PM 1,106 CD.java
03/03/2008 01:50 PM 1,144 Customer.java
03/03/2008 01:22 PM 183 FirstName.java
03/03/2008 01:22 PM 182 Lastname.java
26/02/2008 01:13 PM 584 MarshalTester.java
03/03/2008 01:23 PM 176 MI.java
03/03/2008 11:42 AM 877 Tester.java
26/02/2008 01:15 PM 860 UnmarshalTester.java

Contents of MarshalTester.java

package ibm.xml.castor;
import java.io.FileWriter;
import org.exolab.castor.xml.Marshaller;
public class MarshalTester {

  public static void main(String[] args) {
    try {
      CD sessions = new CD("Sessions for Robert J", "Eric Clapton");
      sessions.addTrack("Little Queen of Spades");
      sessions.addTrack("Terraplane Blues");

      FileWriter writer = new FileWriter("cds.xml");
      Marshaller.marshal(sessions, writer);
    } catch (Exception e) {
      System.err.println(e.getMessage());
      e.printStackTrace(System.err);
    }
  }
}
------------------------------------
Contents of CD.Java

package ibm.xml.castor;

import java.util.ArrayList;
import java.util.List;

/** A class to represent CDs */
public class CD implements java.io.Serializable {

  /** The name of the CD */
  private String name = null;

  /** The artist of the CD */
  private String artist = null;

  /** Track listings */
  private List tracks = null;

  /** Required no-args constructor */
  public CD() {
    super();
  }

  /** Create a new CD */
  public CD(String name, String artist) {
    super();
    this.name = name;
    this.artist = artist;
  }

  public void setName(String name) {
    this.name = name;
  }

  public String getName() {
    return name;
  }

  public void setArtist(String artist) {
    this.artist = artist;
  }

  public String getArtist() {
    return artist;
  }

  public void setTracks(List tracks) {
    this.tracks = tracks;
  }

  public List getTracks() {
    return tracks;
  }

  public void addTrack(String trackName) {
    if (tracks == null) {
      tracks = new ArrayList();
    }
    tracks.add(trackName);
  }
}

What am I doing wrong? Thanks in advance.