Hello all,
I have a servlet that uses Cookies. When I click the "submit" button from
the HTML page once, it works well. If I click this button more times at a
very fast speed, then the returned page looks very strange. It seems there
are more than one datastreams being writen in the same result page.
I have checked my log file. it seems there is only one seesion associated
with these clicks, of course, this is what I expected. But more than one
servlets ( or threads) runs for these click, maybe each click is associated
with one . Some of them can catch IOException and some of them catch
NULLPointerException when they try to write to
"response.getOutputStream()".
How to solve this problem?
Best Regards
Zou Hua
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