package imageUplaod;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.oreilly.servlet.MultipartRequest;
import com.oreilly.servlet.multipart.DefaultFileRenamePolicy;
import java.util.Enumeration;
public class UploadImage extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
final int permitedSize = 314572800; //~ 300 MB in bytes
PrintWriter out = response.getWriter();
response.setContentType("text/html;charset=UTF-8");
response.setHeader("Cache-Control", "no-cache");
response.setHeader("Pragma", "No-cache");
response.setDateHeader("Expires",0);
try{
String type = "";
String name = "";
String originalFilename = "";
String extension1 = "";
String extension2 = "";
String filename = "";
String strDirectory = "files";
ServletContext sc=getServletContext();
String uploadPath = sc.getRealPath("//WEB-INF//"+strDirectory+"//");
MultipartRequest multipartRequest = new MultipartRequest(request, uploadPath, permitedSize, "ISO-8859-1", new DefaultFileRenamePolicy());
Enumeration<String> files = multipartRequest.getFileNames();
while (files.hasMoreElements())
{
name = files.nextElement();
type = multipartRequest.getContentType(name);
filename = multipartRequest.getFilesystemName(name);
originalFilename = multipartRequest.getOriginalFileName(name);
extension1 = filename.substring(filename.length() - 4, filename.length());
extension2 = originalFilename.substring(originalFilename.length() - 4, originalFilename.length());
//return a File object for the specified uploaded file
File currentFile = multipartRequest.getFile(name);
InputStream inputStream = new BufferedInputStream(new FileInputStream(currentFile));
if(currentFile == null) {
out.println("There is no file selected!");
return;
}
//checking the file extensions according to the MIME types
if((type.equals("text/plain") || type.equals("image/gif") || type.equals("image/pjpeg")
|| type.equals("image/x-png") || type.equals("image/jpeg"))) {
//show a few details about the uploaded file
out.println("file: "+filename);
out.println("type: "+type);
out.println("size: "+currentFile.length());
} else {
out.println("\n Invalid format!");
}
}
}catch (Exception exception)
{
response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
} finally { if(out != null) {out.close();} }
}
public UploadImage() {
super();
// TODO Auto-generated constructor stub
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
processRequest(request, response);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
processRequest(request, response);
}
}
this is my index page:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><%@page
language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<html>
<head>
<title>index</title>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
</head>
<body>
<h5>O'Reilly COS Upload</h5>
<table>
<tr>
<td align="center">
<form enctype="multipart/form-data" action="UploadImage" method="POST">
Select the file to upload:
<input type="file" name="userfile">
<input type="submit" value="Upload">
</form>
</td>
</tr>
</table>
</body>
</html>
当我运行它时，我收到以下错误：
Error 404: javax.servlet.UnavailableException: SRVE0203E: Servlet [UploadImage]:
imageUplaod.UploadImage was found, but is missing another required class. SRVE0206E:
此错误通常意味着 servlet 最初是使用服务器无法定位的类编译的。SRVE0187E: 检查您的类路径以确保 servlet 所需的所有类都存在。SRVE0210I: 可以通过仅使用应用程序的运行时类路径中的类重新编译 servlet 来调试此问题 SRVE0234I:
Application class path=[C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\java\lib;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\java\lib\dt.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\java\lib\htmlconverter.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\java\lib\ibmorbtools.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\java\lib\jconsole.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\java\lib\tools.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\classes;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\classes;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\EJBCommandTarget.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\IVTClient.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\OTiSConvertTime.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\activation-impl.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\aspectjrt.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\bootstrap.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\bsf-engines.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\cimgr.ops.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\commandlineutils.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\commons-discovery.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\databeans.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\ffdcSupport.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\htmlshell.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\installver.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\installxml.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\iscdeploy.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\ivblogbr.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\j2ee.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\jNative2ascii.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\jacl.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\jrom.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\jsf-nls.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\launchclient.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\lmproxy.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\mail-impl.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\nif.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\pc-appext.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\pmirm4arm.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\rrd-appext.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\rsadbutils.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\rsahelpers.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\serviceadapter.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\setup.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\startup.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\tcljava.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\urlprotocols.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\wses_dynaedge.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\lib\wsif-compatb.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\installedChannels;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\web\help;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\deploytool\itp\plugins\com.ibm.etools.ejbdeploy\runtime;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\deploytool\itp\plugins\com.ibm.etools.ejbdeploy\runtime\batch.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\deploytool\itp\plugins\com.ibm.etools.ejbdeploy\runtime\ejbdeploy.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\deploytool\itp\plugins\com.ibm.etools.ejbdeploy\runtime\ejbmapvalidate.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\derby\lib\derby.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\installedConnectors\sib.api.jmsra.rar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.commonservices.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.connector.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.headers.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.jmqi.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.jmqi.local.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.jmqi.remote.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.jmqi.system.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.jms.admin.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mq.pcf.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.mqjms.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.commonservices.j2se.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.commonservices.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.jms.internal.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.jms.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.matchspace.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.provider.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.ref.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.wmq.common.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.wmq.factories.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.wmq.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\com.ibm.msg.client.wmq.v6.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1\installedConnectors\wmq.jmsra.rar\dhbcore.jar;C:\Program Files (x86)\IBM\SQLLIB\java\db2jcc.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\universalDriver\lib\db2jcc_license_cu.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7\profiles\was70profile1/properties;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7/properties;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7/lib/startup.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7/lib/bootstrap.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7/lib/jsf-nls.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7/lib/lmproxy.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7/lib/urlprotocols.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7/deploytool/itp/batchboot.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7/deploytool/itp/batch2.jar;C:\Program Files (x86)\IBM\SDP\runtimes\base_v7/java/lib/tools.jar;C:\Users\drunkendeath\IBM\rationalsdp\workspace\UploadImage\WebContent\WEB-INF\classes;C:\Users\drunkendeath\IBM\rationalsdp\workspace\UploadImage\WebContent]
那么这里出了什么问题，有人可以解释吗？我已经包含了所有的 .jars。代码没有错误。