I am using HTTP service to get data into my application...the url gets
real time data....but when I upload my swf file to QA server the data
is not showing up!!...do u think if its a cross domain issue as the
url is not being hosted by our server??..is there any alternative to
access the resource without cross -domain???
Either serve it from the same box/domain or fix the cross domain issues. Those are your options.
Read up on Proxy servers.