channel not found for reference 'cf-rtmp' in destination 'artgallerydataservice'

[#1]

I have followed all the steps given in
http://www.adobe.com/devnet/coldfusion/articles/data_app_print.html
tutorial

I am using coldfusion 8 with multi server .. I have also
installed lcds 2.6 and using flex builder 3 ..

Whenever i am running this sample getting error Severity and
Description

channel not found for reference 'cf-rtmp' in destination
'artgallerydataservice'.

I am unable to resolve this problem please help me ..

[#2]

Hi,



Can you please make sure "channel-definition" node with id
"cf-rtmp" is created under "channels" tag in services-config.xml.
If this is available, please try running "clean" command for your
project.



Hope this helps.

[#3]

thx, Project -> Clean solved the problem for me!