Hello all,
I'm working on a Flex app which calls a web service, and I'm getting this
error:
RPC Fault faultString="Error #1009: Cannot access a property or method of
a null object reference."
What I can't tell is which "object" is null -- and from what I can tell,
this is purely a Flex error, i.e. it's before the web service is called,
so it's not from the app server (am I diagnosing this right?). The stack
trace looks like this:
file:/D:/Documents and Settings/3onyemaechi/My Documents/Flex Builder
2/TestWS/bin/TestWS-debug.html
Main Thread (Suspended: [RPC Fault faultString="Error #1009: Cannot
access a property or method of a null object reference."
faultCode="EncodingError" faultDetail="null"])
mx.rpc.soap.mxml::WebService/dispatchEvent
mx.rpc::AbstractOperation/http://www.adobe.com/2006/flex/mx/internal::dispatchRpcEvent
mx.rpc.soap::Operation/http://www.adobe.com/2006/flex/mx/internal::invokePendingCall
mx.rpc.soap::Operation/send
Function/http://adobe.com/AS3/2006/builtin::apply [no source]
mx.rpc.soap.mxml::Operation/send
TestWS/TestWS::submitReservation
TestWS/___Button1_click
Your thoughts on this problem would be greatly appreciated -- or better
yet, tips on techniques for using the debugger to find it myself next
time, and then I won't have to bother you good people again. :) I've
written other flex web service clients where the (non-required) arguments
were null, with no problem, but this one is stumping me :(
-Kaylea
Here's my .mxml:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:af="*" xmlns:mx="http://www.adobe.com/2006/mxml";
layout="absolute" width="960">
<mx:WebService id="wsAlice"
wsdl="https://parakeet.uchicago.edu:8443/ReservationsWebService/ReservationsWebService?wsdl";
useProxy="false">
<mx:operation name="saveReservation">
<mx:request>
<reservation>
<checkInTime>666</checkInTime>
<checkOutTime>666</checkOutTime>
<description>some text</description>
<endTime>some date</endTime>
<id>{null}</id>
<items>
<item>
<id>109</id>
<name>Some Name</name>
<description>Some
Description</description>
<reservations>{null}</reservations>
<subItems>{null}</subItems>
<superItems>{null}</superItems>
</item>
</items>
<startTime>some text</startTime>
<user>
<userName>joebob</userName>
</user>
</reservation>
</mx:request>
</mx:operation>
</mx:WebService>
<mx:Script><![CDATA[
import mx.controls.Alert;
private function submitReservation():void
{
wsAlice.saveReservation.send();
}
]]>
</mx:Script>
<mx:Panel x="10" y="23" width="250" height="200"
layout="absolute">
<mx:Button x="85" y="69" label="Do It!"
click="submitReservation();"/>
</mx:Panel>
</mx:Application>
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