HTTP Status 404 Error when Running Upload File Code

Question

I am getting the error "HTTP Status 404 - Not Found" at the point where I click the Submit button. The path given seems to be correct. Is there anything about this code that would cause that error to occur?

<form name="uploadForm" action="index.jsp" method="POST" enctype="multipart/form-data"> <% String saveFile=""; String contentType = request.getContentType(); if((contentType != null)&&(contentType.indexOf("multipart/form-data") >= 0)){ DataInputStream in = new DataInputStream(request.getInputStream()); int formDataLength = request.getContentLength(); byte dataBytes[] = new byte[formDataLength]; int byteRead = 0; int totalBytesRead = 0; while(totalBytesRead < formDataLength){ byteRead = in.read(dataBytes, totalBytesRead,formDataLength); totalBytesRead += byteRead; } String file = new String(dataBytes); saveFile = file.substring(file.indexOf("filename=\"") + 10); saveFile = saveFile.substring(0, saveFile.indexOf("\n")); saveFile = saveFile.substring(saveFile.lastIndexOf("\\") + 1,saveFile.indexOf("\"")); int lastIndex = contentType.lastIndexOf("="); String boundary = contentType.substring(lastIndex + 1,contentType.length()); int pos; pos = file.indexOf("filename=\""); pos = file.indexOf("\n", pos) + 1; pos = file.indexOf("\n", pos) + 1; pos = file.indexOf("\n", pos) + 1; int boundaryLocation = file.indexOf(boundary, pos) - 4; int startPos = ((file.substring(0, pos)).getBytes()).length; int endPos = ((file.substring(0, boundaryLocation)).getBytes()).length; File ff = new File("C:/Users/JBG/Desktop/SampleFile2.docx"+saveFile); try{ FileOutputStream fileOut = new FileOutputStream(ff); fileOut.write(dataBytes, startPos, (endPos - startPos)); fileOut.flush(); fileOut.close();}catch(Exception e){out.println(e);} } %> <input type="file" name="file" value="" /> <input type="submit" value="Submit" name="submit" /> </form>

HTTP code 404 means there is something wrong in the path of action .Code seems fine. — Avi
– Avi, Commented Dec 12, 2014 at 18:33
The full error/exception stacktrace is as follows: SEVERE: PWC6117: File "C:\Users\JBG\Documents\NetBeansProjects\ReadFileProgram\build\web\index.jsp" not found — Daron
– Daron, Commented Dec 12, 2014 at 20:48
My index.jsp file is in the following location. (C:\Users\JBG\Documents\NetBeansProjects\ReadFileProgram\web\WEB-INF\jsp\index.jsp) What do I do? — Daron
– Daron, Commented Dec 12, 2014 at 20:53

Altmish-E-Azam · Accepted Answer · 2014-12-12 18:42:57Z

As you are getting 404 error message. This error message indicate that

The 404 or Not Found error message is a HTTP standard response code indicating that the client was able to communicate with a given server, but the server could not find what was requested. The web site hosting server will typically generate a "404 Not Found" web page when a user attempts to follow a broken or dead link; hence the 404 error is one of the most recognizable errors users can find on the web.[1]

So there is a little mistake while file operations correct below line.

in your code

File ff = new File("C:/Users/JBG/Desktop/SampleFile2.docx"+saveFile);

Replace below syntax.

File ff = new File("C:/Users/JBG/Desktop/directory_name/"+saveFile);

OR

File ff = new File("C:/Users/JBG/Desktop/"+saveFile);

Which ide are you using to develop application? also you are using wrong path to acess jsp file. If you are.using any IDE then please make sure your all jsp/html files should be in web pages directory.

JVXR · Accepted Answer · 2014-12-12 18:40:23Z

You action tag should point to a valid endpoint servlet /webservice . It looks like you are pointing it to a jsp file. That said, mixing presentation logic and server side logic was done in the early 2000s. Things have improved a lot over the past decade. My recommendation would be to look at Jersey + Twitter Bootstrap or even Play for implementing the stuff you are doing.

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