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From John Turner <>
Subject Re: [OFF TOPIC] ServletOutputstream Issue
Date Mon, 14 Apr 2003 18:18:54 GMT

On a side note, depending on the complexity of the Excel file you are 
trying to generate, you can do it without any external applications or 
libraries whatsoever.

Excel renders HTML just fine as columns and rows.  Thus, for a simple one 
sheet "Excel file", all you have to do is generate an HTML table with the 
appropriate content type.


On Mon, 14 Apr 2003 10:38:26 -0700 (PDT), Lior Shliechkorn 
<> wrote:

> Yes, I have the header in place, and the utility creates a workbook, and 
> then I use the WorkBook.write( outputstream). But for some reason it's 
> not recognizing the excel data, and it's trying to open it up as the 
> servlet name in excel and saying that the file cannot be opened. But when 
> I try to generate the file to disk it works fine.
> Erik Price <> wrote:
> Lior Shliechkorn wrote:
>> Hi, I'm trying to use POI as a utility to generate a report in excel. 
>> The process to generate the report is as following (IIS5 & Tomcat 4.0.5) 
>> : 1. JSP page with a form2. Servlet to pass the req, res to another 
>> servlet (appropriate report)3. Servlet (1. for HTML view and 2. for 
>> Excel view) I have no problems except when I try to get the file to be 
>> opened or saved on the client side it's trying to open/save the servlet 
>> at step 2. It's not prompting to save an xls file or open one, and I'm 
>> getting an error of site unavailable and the download fails. Any help 
>> would be great with this, since I'm obviously missing something about 
>> the outputstream. Again, thanks for taking the time to review my 
>> question, Lior
> How does your servlet serve the Excel file? I am assuming that you are 
> using POI to write directly to the ServletOutputStream, obtained with 
> response.getOutputStream()? If I am not mistaken you may need to set the 
> content-type of the outgoing response:
> response.setContentType("application/");
> Erik
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