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repeatedly sending data through a servlet?

 
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Hi,
If I have to repeatedly send many blob objects through a servlet, the client side will have to wait
for an interval and wake up to retrieve blob objects sent from the servlet. If I repeatedly send one blob object at a time, and the client wakes up every 30 seconds and uses a loop to retrieve blob objects from the URLConnection (or any stream from server), will that work? I really need your guys advices on this. Thank you.
 
Holmes Wong
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Hi, guys:
I really need you guys' help on this. If the server repeatedly send blobs through a http channel like URLConnection, will these blobs stay on the channel til the client fetches them?
thanks a lot.
 
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