Set the following on the line right after the "<mx:Application" tag near the top:
<mx:TraceTarget /> Run your application in debug mode. This will allow you to see all the network traffic going across the wire. See if you actually get a response from the NDFD web service. Hope this helps, Bob I. --- In [email protected], "jaywood58" <[EMAIL PROTECTED]> wrote: > > > I am having a problem getting data from the National Weather Service's > "National Digital Forecast Database" XML Web Service... > http://www.weather.gov/xml/ <http://www.weather.gov/xml/> . I',m using > Flex Builder 2.0.1. > > The service provides 9 functions for accessing the NWS' vast database of > weather forecasts and statistics. I am able to use the simplest one, > "latLonByZipCode" with no trouble... I pass it a valid US zipcode, it > returns a string containing the corresponding latitude and longitude. I > pass it a bad zipcode, it returns a nice, informative error message. > > When I try one of the other functions (NDFDgenByDay), I keep getting the > following: "TypeError: Error #1009: Cannot access a property or method > of a null object reference", triggered by the webservice call. The > errorID i s 0, the fault code is "Encoding Error", and the message is > null. > > The only difference I can see between these 2 function calls is the list > of input parameters -- latLonByZipCode (the one that's working) takes a > single string argument; NDFDgenByDay takes a mix of decimal, date, > integer, and string arguments. Could an ill-formed argument list cause > this error? (and if so, what do I need to do to fix it). Any help would > be greatly appreciated! >

