Maybe you could try using httpclient ?
haven't tried myself but using "chunked" request, the output will not be
buffered.
for exemple, cf
http://www.java-tips.org/other-api-tips/httpclient/how-to-use-unbuffered-chunk-encoded-post-re.html
Mike
zeeshan a écrit :
> Hi Experts,
>
> I need to post some files on my server, it works fine for small files
> like 1mb but when i try for more than 4 mb ; it force close because of
> memory overload.
>
> please have a look on my code below:
>
> URL url = new URL(uri);
> URLConnection conn = url.openConnection();
>
>
> String boundary = "myboundary";
> conn.setDoOutput(true);
>
> conn.setDoInput(true);
> conn.setUseCaches(false);
> conn.setRequestProperty("Connection","Keep-Alive");
> conn.setRequestProperty("user-
> agent",this.user_agent);
> conn.setRequestProperty("accept-
> language",this.accept_language);
> conn.setRequestProperty("user-agent-
> id",this.user_agent_id);
> conn.setRequestProperty("Content-Type","multipart/
> form-data; boundary=" + boundary);
> DataOutputStream wr = new DataOutputStream
> (conn.getOutputStream());
> // Send the normal form data
>
> Iterator i = parameters.entrySet().iterator();
> while (i.hasNext()) {
> Map.Entry param = (Map.Entry)i.next();
> wr.write( ("--" + boundary + "\r\n").getBytes
> () );
> wr.write( ("Content-Disposition: form-data; name=
> \""+(String)param.getKey()+"\"\r\n\r\n").getBytes());
>
> wr.write( ((String)param.getValue() +
> "\r").getBytes());
>
> wr.flush();
> }
> /* wr.write( ("\r--" + boundary + "--\r\n").getBytes
> ());
> wr.flush();*/
> if(includeFiles){
> int bytesRead = 0;
>
> byte [] buffer = new byte[1024*4];
> InputStream is;
> Iterator i2 = fileParameters.entrySet().iterator
> ();
> while (i2.hasNext()) {
>
> Map.Entry param = (Map.Entry)i2.next();
> String filekey = (String)param.getKey();
> String fileName = (String)param.getValue();
>
> wr.write( ("--" + boundary + "\r\n").getBytes
> () );
> wr.write( ("Content-Disposition: form-data; name=
> \""+(String)param.getKey()+"\"; ").getBytes());
>
> if(filekey.endsWith("message[audio]")){
> if(fileName.contains("/sdcard")){
> wr.write( ("filename=\"" + fileName +
> "\"\r").getBytes());
> File file = new File(fileName);
> Uri ab= Uri.parse(fileName);
> is = new
> FileInputStream(fileName);}
> else {
> wr.write( ("filename=\"" +
> fileName.concat
> (".amr") + "\"\r").getBytes());
> is = this.cr.openInputStream( Uri.parse
> (fileName));}
> wr.write( ("Content-Type: audio \r\n\r
> \n").getBytes());
> wr.flush();
>
> /*File file = new File(fileName);
> Uri ab= Uri.parse(fileName);
> is = new FileInputStream(fileName);*/
> }
> else{
> if(fileName.contains("/sdcard")){
>
> File file = new File(fileName);
> //long temp=file.length();
> Uri ab= Uri.parse(fileName);
> is = new
> FileInputStream(fileName);}
> else {
>
> is = this.cr.openInputStream( Uri.parse
> (fileName));}
>
> wr.write( ("filename=\"" + fileName +
> "\"\r").getBytes());
> wr.write( ("Content-Type: image \r\n\r
> \n").getBytes());
> wr.flush();
>
>
> }
>
>
>
> //FileInputStream is = new FileInputStream(new
> File(fileName));
>
> //bytesAvailable = is.available();
>
>
>
> while( (bytesRead = is.read(buffer)) > 0) {
> wr.write(buffer,0,bytesRead);
> wr.flush();
> }
> if(i2.hasNext()){
> wr.write( ("\r\n").getBytes());
> }
> }
> }
> wr.write( ("\r--" + boundary + "--\r\n").getBytes());
> wr.flush();
>
> wr.close();
> }
> ///////////////////////////////
>
>
>
> i believe there is somewhere memory leakage but dont know where, i
> have done a lot research but not successfull.
>
> please let me know if u figure out any problem in my code
> >
>
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