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What effect does a refresh make to you servlet?

 
William Wild
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Hi all,
I've been havin a good look around for an answer to this, but as I'm not 100% sure about the actions undertaken by the client-server connection during a refresh so it's not all making sense.
I have gathered that when you hit refresh a call goes out to doPost() in the servlet. But, and especially with a server process that will take a long time, how can you block the servlet from running again if you know the refresh is unnecessary?
Cheers
Bill
 
William Wild
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Posts: 23
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Sorry missed out a bit. Is there a way to tell the client browser to block refereshing from the server side?
Cheers
Bill
 
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