maybe this will be helpful
http://hapeblog.appspot.com/blog.shtml?id=2002
On Wed, Feb 17, 2010 at 1:01 PM, John Patterson <jdpatter...@gmail.com>wrote:
> Do you have a different version of the jar in your lib directory to the one
> on your build path?
>
>
> On 17 Feb 2010, at 09:11, NIko Judo wrote:
>
> Hola he probado el codigo siguiente para recibir un formulario
>> multipart en mi aplicacion :
>>
>> Test folowing code
>>
>> import org.apache.commons.fileupload.FileItemStream;
>> import org.apache.commons.fileupload.FileItemIterator;
>> import org.apache.commons.fileupload.servlet.ServletFileUpload;
>>
>> import java.io.InputStream;
>> import java.io.IOException;
>> import java.util.logging.Logger;
>>
>> import javax.servlet.ServletException;
>> import javax.servlet.http.HttpServlet;
>> import javax.servlet.http.HttpServletRequest;
>> import javax.servlet.http.HttpServletResponse;
>>
>> public class FileUpload extends HttpServlet {
>> private static final Logger log =
>> Logger.getLogger(FileUpload.class.getName());
>>
>>
>> public void doPost(HttpServletRequest req, HttpServletResponse res)
>> throws ServletException, IOException {
>> try {
>> ServletFileUpload upload = new ServletFileUpload();
>> res.setContentType("text/plain");
>>
>> FileItemIterator iterator = upload.getItemIterator(req);
>> while (iterator.hasNext()) {
>> FileItemStream item = iterator.next();
>> InputStream stream = item.openStream();
>>
>> if (item.isFormField()) {
>> log.warning("Got a form field: " + item.getFieldName());
>> } else {
>> log.warning("Got an uploaded file: " + item.getFieldName() +
>> ", name = " + item.getName());
>>
>> // You now have the filename (item.getName() and the
>> // contents (which you can read from stream). Here we just
>> // print them back out to the servlet output stream, but you
>> // will probably want to do something more interesting (for
>> // example, wrap them in a Blob and commit them to the
>> // datastore).
>> int len;
>> byte[] buffer = new byte[8192];
>> while ((len = stream.read(buffer, 0, buffer.length)) != -1)
>> {
>> res.getOutputStream().write(buffer, 0, len);
>> }
>> }
>> }
>> } catch (Exception ex) {
>> throw new ServletException(ex);
>> }
>> }
>>
>>
>> @Override
>> protected void doGet(HttpServletRequest request,
>> HttpServletResponse response)
>> throws ServletException, IOException {
>>
>> }
>>
>>
>>
>> }
>>
>> el caso es que simpre me da un error cuando envio el formulario con
>> image
>>
>> folowing error :
>>
>> Error for /FileUpload
>> java.lang.NoSuchMethodError:
>>
>> org.apache.commons.fileupload.servlet.ServletFileUpload.getItemIterator(Ljavax/
>> servlet/http/HttpServletRequest;)Lorg/apache/commons/fileupload/
>> FileItemIterator;
>> at com.ubicacion.servlet.FileUpload.doPost(FileUpload.java:32)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:713)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
>> at
>> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:
>> 487)
>> at org.mortbay.jetty.servlet.ServletHandler
>> $CachedChain.doFilter(ServletHandler.java:1093)
>> at
>>
>> com.google.apphosting.utils.servlet.ParseBlobUploadFilter.doFilter(ParseBlobUploadFilter.java:
>> 97)
>> at org.mortbay.jetty.servlet.ServletHandler
>> $CachedChain.doFilter(ServletHandler.java:1084)
>> at
>>
>> com.google.apphosting.runtime.jetty.SaveSessionFilter.doFilter(SaveSessionFilter.java:
>> 35)
>> at org.mortbay.jetty.servlet.ServletHandler
>> $CachedChain.doFilter(ServletHandler.java:1084)
>> at
>>
>> com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:
>> 43)
>> at org.mortbay.jetty.servlet.ServletHandler
>> $CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
>> 360)
>> at
>> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
>> 216)
>> at
>> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
>> 181)
>> at
>> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
>> 712)
>> at
>> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
>> 405)
>> at
>>
>> com.google.apphosting.runtime.jetty.AppVersionHandlerMap.handle(AppVersionHandlerMap.java:
>> 238)
>> at
>> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
>> 139)
>> at org.mortbay.jetty.Server.handle(Server.java:313)
>> at
>> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
>> 506)
>> at org.mortbay.jetty.HttpConnection
>> $RequestHandler.headerComplete(HttpConnection.java:830)
>> at
>>
>> com.google.apphosting.runtime.jetty.RpcRequestParser.parseAvailable(RpcRequestParser.java:
>> 76)
>> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
>> at
>>
>> com.google.apphosting.runtime.jetty.JettyServletEngineAdapter.serviceRequest(JettyServletEngineAdapter.java:
>> 135)
>> at
>> com.google.apphosting.runtime.JavaRuntime.handleRequest(JavaRuntime.java:
>> 235)
>> at com.google.apphosting.base.RuntimePb$EvaluationRuntime
>> $6.handleBlockingRequest(RuntimePb.java:5485)
>> at com.google.apphosting.base.RuntimePb$EvaluationRuntime
>> $6.handleBlockingRequest(RuntimePb.java:5483)
>> at
>>
>> com.google.net.rpc.impl.BlockingApplicationHandler.handleRequest(BlockingApplicationHandler.java:
>> 24)
>> at
>> com.google.net.rpc.impl.RpcUtil.runRpcInApplication(RpcUtil.java:
>> 363)
>> at com.google.net.rpc.impl.Server$2.run(Server.java:837)
>> at
>> com.google.tracing.LocalTraceSpanRunnable.run(LocalTraceSpanRunnable.java:
>> 56)
>> at
>>
>> com.google.tracing.LocalTraceSpanBuilder.internalContinueSpan(LocalTraceSpanBuilder.java:
>> 536)
>> at com.google.net.rpc.impl.Server.startRpc(Server.java:792)
>> at com.google.net.rpc.impl.Server.processRequest(Server.java:367)
>> at
>>
>> com.google.net.rpc.impl.ServerConnection.messageReceived(ServerConnection.java:
>> 448)
>> at
>> com.google.net.rpc.impl.RpcConnection.parseMessages(RpcConnection.java:
>> 319)
>> at
>> com.google.net.rpc.impl.RpcConnection.dataReceived(RpcConnection.java:
>> 290)
>> at com.google.net.async.Connection.handleReadEvent(Connection.java:
>> 474)
>> at
>>
>> com.google.net.async.EventDispatcher.processNetworkEvents(EventDispatcher.java:
>> 774)
>> at
>> com.google.net.async.EventDispatcher.internalLoop(EventDispatcher.java:
>> 205)
>> at com.google.net.async.EventDispatcher.loop(EventDispatcher.java:
>> 101)
>> at
>> com.google.net.rpc.RpcService.runUntilServerShutdown(RpcService.java:
>> 251)
>> at com.google.apphosting.runtime.JavaRuntime
>> $RpcRunnable.run(JavaRuntime.java:394)
>> at java.lang.Thread.run(Unknown Source)
>>
>>
>> alguna idea?
>>
>> que version de commons-file-upload y commons-io usa appengine
>> I use the version commons-file-upload-1.2.1 and commons-io-1.4 in my
>> application
>>
>>
>>
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