Error while doing Geocoding using Google Maps API
Uncaught Error: Invalid value for property <address>:

function codeAddress(zipcode){
var address = zipcode;
alert("Address is: " +address);
geocoder.geocode( { 'address': address}, function(results, status) {
  if (status == google.maps.GeocoderStatus.OK) {
    map.setCenter(results[0].geometry.location);
    var marker = new google.maps.Marker({
        map: map,
        position: results[0].geometry.location
    });
  } else {
    alert("Geocode was not successful for the following reason: " + status);
  }
});
}

<input type="button" value="Geocode" onclick="codeAddress(<%=resultset.getString(3)%>)">