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problem with calling a servlet from a javascript using window.location
Posted on 2004-08-31
I am calling a servlet from a javascript using the following code:
pageUrl = "/servlet/Main?ReportID=AD
location.replace('" "');
window.location = pageUrl;
return true:
i use this code all the time, but this time I am sending TONS of data, and it errors on the window.location line. I am pretty sure it's because of the amount of data that I'm sending via the url. I tested by limiting the amount of data and it works, but when I send all the data that is needed, it freaks out
with a javascript error that can't be captured and gives me a "page not found" error with the following in the url:
/servlet/"%20"
when it should be /servlet/Main?ReportID=ADD
Is there a limit to the amount of characters in a url? And if so, how can I pass all my data to the servlet using a javascript? Can I use putsession commands in a servlet?
HELP!
pageUrl = "/servlet/Main?ReportID=AD
location.replace('" "');
window.location = pageUrl;
return true:
i use this code all the time, but this time I am sending TONS of data, and it errors on the window.location line. I am pretty sure it's because of the amount of data that I'm sending via the url. I tested by limiting the amount of data and it works, but when I send all the data that is needed, it freaks out
with a javascript error that can't be captured and gives me a "page not found" error with the following in the url:
/servlet/"%20"
when it should be /servlet/Main?ReportID=ADD
Is there a limit to the amount of characters in a url? And if so, how can I pass all my data to the servlet using a javascript? Can I use putsession commands in a servlet?
HELP!
[X]
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3 Comments
the length of query string can vary depending on the server. Some servers end reading it from 1024 byte. In general it is not recommended to use parameters in URL if it will be a big one. Better use hidden form with POST method and filling hidden values by javascript and calling form.submit() function from javascript.
So in your case it javascript can be:
document.hh.ReportID.value
document.hh.year.value="20
document.hh.field2.value="
//...
document.hh.submit();
and HTML:
<form name="hh" method="POST" action="/servlet/Mail">
<input type="hidden" name="ReportID"/>
<input type="hidden" name="year"/>
<input type="hidden" name="field2"/>
<!-- add other input elements for other parameters -->
</form>
So in your case it javascript can be:
document.hh.ReportID.value
document.hh.year.value="20
document.hh.field2.value="
//...
document.hh.submit();
and HTML:
<form name="hh" method="POST" action="/servlet/Mail">
<input type="hidden" name="ReportID"/>
<input type="hidden" name="year"/>
<input type="hidden" name="field2"/>
<!-- add other input elements for other parameters -->
</form>
Please check this first.
pageUrl = "/servlet/Main?ReportID=AD
I think there is one space in
"/servlet/ Main?......
^
There is one space here!
pageUrl = "/servlet/Main?ReportID=AD
I think there is one space in
"/servlet/ Main?......
^
There is one space here!
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