这是我的控制台错误，当我尝试上传图像时，它会显示此错误，请帮助我解决这种情况我想在第二页上渲染图像并显示其缩略图，并且在运行时它将创建文件夹结构用户和子文件夹图像
hhhhhhhhhhhhhhhhhhhhhhhh
hiiiiiiiiiiiiiiiiiiiiiiiii
[name=Desert.jpg, StoreLocation=D:\testing\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\uploadimg\upload__26aeaf5b_1425b674704__8000_00000000.tmp, size=845941bytes, isFormField=false, FieldName=file]
hello nhi aaya
mein aaya bahar le k
yaha pe aaja
**Desert.jpg
Desert.jpg
java.io.FileNotFoundException: D:\testing\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\uploadimg\users\images\Desert.jpg (The system cannot find the path specified)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at org.apache.commons.fileupload.disk.DiskFileItem.write(DiskFileItem.java:439)
at com.vaibhav.upload.doPost(upload.java:80)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
upload.java
package com.vaibhav;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javax.imageio.ImageIO;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.imgscalr.Scalr;
public class upload extends HttpServlet {
private boolean isMultipart;
String ofileName;
String fieldName;
String contentType;
File usersDir = null;
private static final long serialVersionUID = 1L;
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws IOException, ServletException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
isMultipart = ServletFileUpload.isMultipartContent(request);
System.out.println("hhhhhhhhhhhhhhhhhhhhhhhh");
if (!isMultipart) {
} else {
File fobj = new File(getServletContext().getRealPath("\\"));
FileItemFactory factory = new DiskFileItemFactory(1024 * 5, fobj);
ServletFileUpload upload = new ServletFileUpload(factory);
List items = null;
System.out.println("hiiiiiiiiiiiiiiiiiiiiiiiii");
try {
items = upload.parseRequest(request);
} catch (FileUploadException e) {
e.printStackTrace();
}
System.out.println(items);
Iterator itr1 = items.iterator();
System.out.println("hello nhi aaya");
FileItem fileItem = null;
while (itr1.hasNext()) {
System.out.println("mein aaya bahar le k");
FileItem item = (FileItem) itr1.next();
if (item.isFormField()) {
item.getFieldName();
item.getString();
} else {
System.out.println("yaha pe aaja ");
fileItem = item;
String finalName;
int namestart;
fieldName = item.getFieldName();System.out.println("**"+item.getName());
ofileName = item.getName();
contentType = fileItem.getContentType();
System.out.println(ofileName);
namestart = ofileName.lastIndexOf("//");
if (namestart > -1) {
finalName = ofileName.substring(namestart);
} else {
finalName = ofileName; // there's nothing to substring
}
usersDir = new File(getServletContext().getRealPath("\\")
+ "\\users\\" + "\\images\\" + finalName);
try {
fileItem.write(usersDir);
} catch (Exception e) {
e.printStackTrace();
}
String imgExt = usersDir.getAbsolutePath().substring(
usersDir.getAbsolutePath().lastIndexOf(".") + 1);
BufferedImage bimg = new BufferedImage(100, 100,
BufferedImage.TYPE_INT_RGB);
bimg.createGraphics().drawImage(
ImageIO.read(usersDir).getScaledInstance(170, 150,
java.awt.Image.SCALE_SMOOTH), 0, 0, null);
BufferedImage bimg2 = Scalr.resize(bimg, 150);
ImageIO.write(bimg2, imgExt, new File(getServletContext()
.getRealPath("\\")
+ "\\users\\"
+ "\\images\\thumb_" + finalName));
}
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/WEB-INF/webpages/home.jsp");
dispatcher.forward(request, response);
}
}
}
}
..................................................... ..................... 索引.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>file upload</title>
</head>
<body>
<form action="upload" method="post" enctype="multipart/form-data">
<input type="file" name="file" size="50"><br/> <input
type="submit" value="uploadfile">
</form>
</body>
</html>