IMO it depends on the position in the form. If the Part containing the hidden field is before the Part containing the broken file there is a
chance to get it, if the exception is thrown before this part was processed there is no chance at all.


Tom Eugelink wrote:

A field value from the request?  In what you have below, the "field"
apparently is in a GET, but you cannot use that for a file upload.


No, here is the form code in the jsp:

<form enctype="multipart/form-data" method="post" action="PhotoUpload">
<input enctype="multipart/form-data" type="file" name="photo"/>
<input type="submit" value="Upload" name="upload"/>
<INPUT name="id" type="hidden" value="<%=request.getParameter("id")%>"/>
</form>

There is a hidden field "id" that get's it value from the request that opened the jsp. On error I need to reproduce that URL and add an error code.

So:

http://xxx/upload.jsp?id=3

will become

http://xxx/upload.jsp?id=3&error=maxsize

Tom

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