Servlet : upload un fichier
Bonjour,
pour upload a file j'utilise la servlet :
Code:
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| package servlet;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.DiskFileUpload;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUpload;
import org.apache.commons.fileupload.FileUploadException;
/**
* Servlet implementation class ajout
*/
public class ajout extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public ajout() {
super();
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String nom= null;
//upload image
boolean isMultipart = FileUpload.isMultipartContent(request);
System.out.println("1");
if(!isMultipart){
request.setAttribute("msg", "Request was not multipart!");
request.getRequestDispatcher("msg.jsp").forward(request, response);
return;
}
DiskFileUpload upload = new DiskFileUpload();
List items = null;
System.out.println("2");
try {
items = upload.parseRequest(request); //ou ca pose la prob
System.out.println("3");
} catch (FileUploadException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Iterator itr = items.iterator();
System.out.println("4");
while(itr.hasNext()){
FileItem item = (FileItem) itr.next();
System.out.println("5");
if(item.isFormField()) {
String fieldName = item.getFieldName();
System.out.println("6");
if(fieldName.equals("nom"))
nom=item.getString();
/*
if(fieldName.equals("Num"))
Num=Integer.parseInt(item.getString());
if(fieldName.equals("titre"))
titre=item.getString();
if(fieldName.equals("categorie"))
id=Integer.parseInt(item.getString());
if(fieldName.equals("tel"))
tel=item.getString();
if(fieldName.equals("ville"))
ville=item.getString();
if(fieldName.equals("desc"))
desc=item.getString();*/
}
else {
File fullFile = new File(item.getName());
File savedFile = new File("C:\\Users\\Administrateur\\projet_pad\\webs\\WebContent\\fichier\\", fullFile.getName());
nom=fullFile.getName();
try {
item.write(savedFile);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
System.out.println("le nom de slide est :"+ nom);
//String newm = nom.substring(nom.lastIndexOf("."));
String newm = nom.substring(0,nom.length()-4 );
//String nom = "cours";
System.out.println("le nouveau nom apré l'exctarction est :"+newm);
response.sendRedirect("/webs/Mesfichiers.jsp");
}
} |
et j'utilise les jars :
commons-fileupload-1.2.jar
commons-io-1.4.jar
commons-io-1.4-sources.jar
et j'utilise Jonas comme serveur d'app, avec apach 7 ca marche mais avec jonas c'été pa le cas malgré que j'ai mi les jars dans jonas/lib (je dois utilise jonas pour deployer les EJB )
les erreur de tarces (eclipse):
2012-01-12 11:32:54,750 : StandardWrapperValve.invoke : Servlet.service() for servlet ajout threw exception
java.lang.ClassNotFoundException: org.apache.commons.io.output.DeferredFileOutputStream not found by commons-fileupload-1.2 [166]
...
sur le browser :
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Servlet execution threw an exception
root cause
java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream
org.apache.commons.fileupload.DefaultFileItemFactory.createItem(DefaultFileItemFactory.java:103)
org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:350)
org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:302)
servlet.ajout.doPost(ajout.java:60)
...
J'en sai pa quoi faire pour résoudre ce problème,
