Hi everybody,
I am experiencing two problems wiith a servlet returning aplication/pdf
content.
This servlet retrieves data from a database and converts it to xml. It then
call Xalan to transform it to a XSL stylesheet, then call FOP to produce PDF
data. All this work fine if I end saving the data to disk.
If the servlet return the pdf data to the client, everything is ok with
Netscape 4.
But with IE5.5 and N6, a very strange thing happens : on the first request
after the browser is loaded, when the service method returns, it is called a
second time. This time, no parameters are provided. Of course, the result of
the first call is not displayed. As the second call has no parameter, I get
an error. On subsequent requests, this does not occur. It occurs again if I
quit the browser and restart it. (The servlet is using session. I tried with
cookies turned on, or off, nothing changed.)
I tried saving the pdf data to disk and, on the second call, read it and
send it back to the browser. Now, I found another problem : the pdf document
is received, but all pages are blank.
The only real workaround was to save the data to disk and send back to the
browser an HTML page with a static link to that file. This way, the document
is displayed without any problem, and the second call to the servlet does
not occur.
Although this can do the job, it is not very smart. If anyone has an idea of
what could be going wrong, I would really appreciate !
Pierre-Yves
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