aikawa kazuhiko wrote:
Hi
I use your itext product to generate pdf document , and found some
problem about versions of acrobat or ie
I would like to tell you about some ploblem
I write a Servlet page (I copy some of your example code to test
it) to generate pdf from web application, each time that user open url
(eg. http://localhost/example/TestPDF) i will count number of click my
web to database
problem :
Many of my user when open my url ,while my dababase counting one by
one per a user click servlet (it OK). but two of many users open my
url , while my database counting will write 2 times to database per
one user click ???
I track the problem by use your example code
You definitely haven't read the complete tutorial
http://itextdocs.lowagie.com/tutorial/general/webapp/
Otherwise you would have seen that this is a known
issue (not iText related; it's a browser issue). I quote:
"Another annoying feature of some browsers is that they
hit the server 2 or 3 times with the same request if you
want to serve them a dynamically generated binary file.
This type of behaviour of some browsers can be a real
pain if you are updating a database or keeping statistics
for every PDF that is served."
You'll find a possible solution in the tutorial.
br,
Bruno
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