JNDI, LDAP, & Active Directory

[robyne vaughn]

I borrowed a nice piece of code for JNDI hits against LDAP from this website:
OpenLDAP Jndi Tutorial

I am trying to use it to retrieve info from our Active Directory Server.
I altered it to point to my domain, and I want to retrieve a person's full name(CN), e-mail address and maybe their location.
I've looked at lots of examples, I've tried lots of things, but I'm really missing something. I'm new to Java, new to JNDI, new to LDAP, new to AD and new to Tomcat. Any help would be so appreciated.
Thanks,
To show you the code, and the error message, I've changed the actual names I used for connection.
What am I not coding right? I get an error message like this:
javax.naming.NameNotFoundException[LDAP error code 32 - 0000208D: nameErr DSID:03101c9 problem 2001 (no Object), data 0,best match of DC=mycomp, DC=isd, remaining name dc=mycomp, dc=isd

import java.util.Hashtable;
import java.util.Enumeration;
import javax.naming.*;
import javax.naming.directory.*;
public class JNDISearch2
{
   // initial context implementation
   public static String INITCTX = "com.sun.jndi.ldap.LdapCtxFactory";
   public static String MY_HOST = "ldap://99.999.9.9:389/dc=mycomp,dc=isd";
   public static String MGR_DN = "CN=connectionID,OU=CO,dc=mycomp,dc=isd";
   public static String MGR_PW = "connectionPassword";
   public static String MY_SEARCHBASE = "dc=mycomp,dc=isd";
   public static String MY_FILTER = "(&(objectClass=user)(sAMAccountName=usersignonname))";
   // Specify which attributes we are looking for
   public static String MY_ATTRS[] = {"cn", "telephoneNumber",
                                      "postalAddress", "mail"};
   public static void main (String args[])
   {
      try
      {
         //----------------------------------------------------------
         // Binding
         //----------------------------------------------------------
         // Hashtable for environmental information
         Hashtable env = new Hashtable();
         // Specify which class to use for our JNDI Provider
         env.put(Context.INITIAL_CONTEXT_FACTORY, INITCTX);
         // Specify the host and port to use for directory service
         env.put(Context.PROVIDER_URL, MY_HOST);
         // Security Information
         env.put(Context.SECURITY_AUTHENTICATION,"simple");
         env.put(Context.SECURITY_PRINCIPAL, MGR_DN);
         env.put(Context.SECURITY_CREDENTIALS, MGR_PW);
         // Get a reference toa directory context
         DirContext ctx = new InitialDirContext(env);

         //----------------------------------------------------------
         // Begin search
         //----------------------------------------------------------
         // Specify the scope of the search
         SearchControls constraints = new SearchControls();
         constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
         // Perform the actual search
         // We give it a searchbase, a filter and the constraints
         // containing the scope of the search
         NamingEnumeration results =
                  ctx.search(MY_SEARCHBASE, MY_FILTER, constraints);
         // Now step through the search results
         while ( results != null && results.hasMore() )
         {
            SearchResult sr = (SearchResult) results.next();
            String dn = sr.getName() + ", " + MY_SEARCHBASE;
            System.out.println ("Distinguished Name is " +dn);
            // Code for displaying attribute list
            Attributes ar = ctx.getAttributes(dn, MY_ATTRS);
            if (ar == null)       // Has no attributes
            {
               System.out.println("Entry "+ dn );
               System.out.println(" has none of the specified attributes\n");
            }
            else                  // Has some attributes
            {
               // Determine the attributes in this record.
               for (int i=0; i<MY_ATTRS.length; i++)
               {
                  Attribute attr = ar.get(MY_ATTRS[i]);
                  if (attr != null)
                  {
                     System.out.println(MY_ATTRS[i] + ":");
                     // Gather all values for the specified attribute.
                     for ( Enumeration vals=attr.getAll();
                            vals.hasMoreElements(); )
                     {
                        System.out.println ("\t" + vals.nextElement() );
                     }
                     // System.out.println ("\n");
                  }
               }
            }
         }
         //----------------------------------------------------------
         // End search
         //----------------------------------------------------------
      }              // end try
      catch(Exception e)
      {
         e.printStackTrace();
         System.exit(1);
      }
   }
}