Why I can't get access to parameters from a request after upload a file in jsp?

Look if the following code helps you ... This is just an example ... you may have to tweak it.

You should extract the request parameters using the same API (e.g. Apache Commons FileUpload) as you've extracted the uploaded file. This is usually not interchangeable with calling getParameter() as the request body can be parsed only once (the enduser ain't going to send the same request twice, one to be parsed by the file upload parsing API and other to be parsed by getParameter()).

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