I notice that in your sample code form there is no "project_ID" <input> field, yet you are able to retrieve this as a parameter in your JSP processing page?
Do you perhaps have two forms on your page, one with the file <input> and one with other <input> fileds? If so, then this is your problem as only one of the forms and its <input> fields gets submitted. The explanation of error message would then be that the second form is not "multipart/form-data". To solve your problem, merge both forms into one, make sure it has "multipart/form-data" as the enctype. Cheers mate. > -----Original Message----- > From: hugo [SMTP:[EMAIL PROTECTED]] > Sent: 27 September 2002 10:56 > To: [EMAIL PROTECTED] > Subject: error using MultipartRequest: content type isn't > multipart/form-data > > Hi > > I have a problem uploading files using jsps. > > I have downloaded cos-27May2002.zip from the oreilly page at > http://www.servlets.com/cos/ which contains a set of utilities to do > file uploading. I installed the cos.jar file in my CLASSPATH and I can > access the classes. > > However, I keep getting a strange error, namely: > > "java.io.IOException: Posted content type isn't multipart/form-data" > > In the jsp file where I enter my data I have the form set like this: > > <form enctype="multipart/form-data" action="p_submitted.jsp"> > <INPUT TYPE=FILE NAME=mydoc SIZE=40> > <INPUT TYPE=SUBMIT VALUE=Submit> > </form><br><br> > > And in the jsp file p_submitted.jsp, I get all the values out: > > String project_ID = request.getParameter("project_ID"); > and several other ones. > > I also start a MultipartRequest object and tell it where to save things > to: > > MultipartRequest mr = new MultipartRequest(request,"/tmp/saved"); > > When I want to get the value from the upload field I do: > > File uploadfile1 = mr.getFile(request.getParameter("mydoc")); > > But this gives me the above error. > > What am I doing wrong? Would anyone be able to tell me why I get the > error? Perhaps I am not using MultipartRequest right? If so, could you > someone me a simple code example on how to use MultipartRequest in a jsp? > > Any help will be greatly appreciated. > > Thanks > > Hugo > -- > Dr Hugo Bouckaert > Systems and Programming Engineer > > GeoInformatics Exploration Australia P/L > 57 Havelock St > West Perth, WA 6005 > PO Box 1675, West Perth 6872 > > Ph: 61 08 9420 7400 > Fax: 61 08 9226 1299 > > www.geoinformex.com > > ------------------------------------------------------------------------ > This email and any attachments may be confidential or legally > privileged. If you received this message in error or are not the > intended recipient, you should destroy the e-mail message and any > attachments or copies, and you are prohibited from retaining, > distributing, disclosing or using any information contained herein. > Please inform us of the erroneous delivery by return e-mail. 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