I have followed the tut so far down to the letter, but still no joy.
I have the following setup:
1) flex 2 data services setup at :
2) copied the structure as required for Contact.as - this file is in the folder C:\fds2\jrun4\servers\default\samples\DSLessons\samples\contact\Contact.as which as far as I can tell is correct. The contents of contact.as is straight from Adobe :
The "contact" sample application used in this tutorial IS NOT included in the Flex Data Services samples web application. The required files are available in the following zip file, which you can unzip into the samples (root directory) of the samples web application: