DirContext ctx = null;
       try{
         /* Open an LDAP connection for the provided principal and credentials */
         ctx = new InitialLdapContext(env, null);
           
         /* base search */
         SearchControls ctls = new SearchControls();
         ctls.setSearchScope(SearchControls.OBJECT_SCOPE);
           
         /* search */
         String base_dn = "cn=temp\\\\tester,cn=users,dc=mydomain,dc=com";
         String jndi_dn =  new CompositeName().add(base_dn).toString();
         NamingEnumeration enu = ctx.search(jndi_dn, "sn=test*", ctls);
           
         /* process results */
         while(enu.hasMore()){
            SearchResult sr = (SearchResult)enu.next();
            System.out.println("dn: " + base_dn);              
            NamingEnumeration attrs = sr.getAttributes().getAll();
            while(attrs.hasMoreElements()){
              BasicAttribute attr = (BasicAttribute)attrs.nextElement();
              String attrType = attr.getID();
              NamingEnumeration vals = attr.getAll();
              while(vals.hasMoreElements()){
                String attrValue = vals.nextElement().toString();
                System.out.println(attrType + ": " + attrValue);
              }
            }
         }
       }catch(Exception e){
         e.printStackTrace();
       }