When uploading large file from network, all other requests are not being sent to server

In our application we are facing a weird scenario in which when we try to upload a huge file(600+ MB) from network, all other requests(AJAX) are getting blocked. But when the same file is being uploaded from local location(E drive) then everything works fine.

How are you uploading the file via network?
If you are troubleshooting the network bandwidth? or the threads where one process takes precedent over the other you will have to troubleshoot the QoS of the network you see this on.
To give a better visual please use Firebug or the Web Developer tool called Network to analyze the requests. The "XMLHttpRequest" will give better clues for Ajax. Reference [http://ajaxian.com/archives/ajax-debugging-with-firebug]
There may be a about:config option that allows mutithreading or max persistent connections per server you can check.

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Solved!
Go to Solution.
Attachments:
TEMP.vi ‏25 KB

It took me some time to figure what you are trying to do but I think I have it now.
The SR is still required.
What is happening is your "Bundle By Name" is replacing all of the fields of the cluster, not just the value coming out of the case structure. So to maintain the cluster stuff you do in earlier iterations you can either...
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Ben
Message Edited by Ben on 05-05-2010 01:31 PM
Ben Rayner
I am currently active on.. MainStream Preppers
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TS3276 my emails are not being sent from my desktop, but are capable of being sent by my apple phone. as well, I cannnot pull up any emails that I sent. They just disappear.

my emails are not being sent from my desktop, but they are capable of being sent from my iphone 5. Whatever I have sent just disappears from my desktop.

R1: Seems you didn't configure you email account in your Outlook client properly. please refer to the following KB article and try to create a new mail profile to configure your email account again:
http://support.microsoft.com/kb/2758902
R2: Do you want create subfolders under Inbox to category your emails? If so, we can just right click on Inbox > select New Folder... After that, we need to create rules to move or copy your emails to each subfoler. See:
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Since upgrading to iOS7 some text messages are not being sent, iMessage on my Ipad and MacBook doesn't have my phone number registered and my reminder colour on my Iphone keeps changing ... among other things

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Make sure People Sending you via iMessage are sending their messages on your PHONE number not on your EMAIL addresses . My sister had the same problem, thats how i managed to solve it!

Clients Time-Out When Retrieving Large Files From Our PureFTPd Server

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One client had no problem getting files up to 14MB or so. But when trying to download a certain file that was about 80MB, it would not work. I tried different things here, and she tried multiple times, but no luck. I tried zipping the file to see if that would help, but no luck.
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• Any ideas at all?
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Some years back I had trouble at a customer that had a ADSL using PPPoE connection to their ISP.
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I'm hoping, that you can help me!
I'm using Firefox 28.0 on MacBook Pro Mavericks 10.9.2
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Download to 'desktop folder' when using Safari also works fine.
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Kind regards Elizabeth

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Hi,
I write a servlet to upload a file from html page
<intput type=file name=fileupload>I am using
import org.apache.commons.fileupload.to upload file. i want to get the all fields in the form and file name and content of the file also.
It give the file name only
String filename= fileItem.getName();
o/p krish.jpgBut i want complete path naem like
d:/krishna/images/funny/krish.jpgI serach the API org.apache.commons.fileupload.*
But i did nt find the method to get it.
plz help me , which api or method to use here..

Krishna_Rao_chintu wrote:
But i need path and have to do some calculations on it.No, you don't. If you have requirements which say you do then the requirements are wrong. You couldn't do anything useful with the path on the client system even if you could get it.
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Error code 8084 when copying large files from VNX servers

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I have a strange problem that occurs when im uploading large files to any of my servers....
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I have just brought my mac book air home from apple store and it won't connect to internet although correct wifi password entered and all other devices are connecting ok and signal strengh strong and it says it is connected !

A new Mac comes with 90 days of free tech support from AppleCare.
AppleCare: 1-800-275-2273
Call AppleCare.
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The biggest problem is if I try to sync a large file (for example a 250MB app) with iTunes to my networked storage, the culprit almost always being a large iOS app in Mobile Application folder, iTunes will hang with the spinning color wheel, and in the toolbar shows "Not Responding". This also hangs the Finder. After this situation, I pretty much have to force quit everything and reboot my machine to get the Finder and iTunes back to health.
So, I thought that I would try keeping the iOS apps on my local drive and just move my music out to a network drive. But iTunes doesn't allow any granular configuration of the sort (big FAIL on Apple's part), and I've read up that iTunes does not play nice with symbolic links or else I would keep the iTunes Media location set to my local drive and symlink the Music folder out to my network drive.
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i assume you are connecting wirelessly to the AEBS, correct ?
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Uploading large files from applet to servlet throws out of memory error

I have a java applet that needs to upload files from a client machine
to a web server using a servlet. the problem i am having is that in
the current scheme, files larger than 17-20MB throw an out of memory
error. is there any way we can get around this problem? i will post
the client and server side code for reference.
Client Side Code:
import java.io.*;
import java.net.*;
// this class is a client that enables transfer of files from client
// to server. This client connects to a servlet running on the server
// and transmits the file.
public class fileTransferClient
private static final String FILENAME_HEADER = "fileName";
private static final String FILELASTMOD_HEADER = "fileLastMod";
// this method transfers the prescribed file to the server.
// if the destination directory is "", it transfers the file to
"d:\\".
//11-21-02 Changes : This method now has a new parameter that
references the item
//that is being transferred in the import list.
public static String transferFile(String srcFileName, String
destFileName,
String destDir, int itemID)
if (destDir.equals(""))
destDir = "E:\\FTP\\incoming\\";
// get the fully qualified filename and the mere filename.
String fqfn = srcFileName;
String fname =
fqfn.substring(fqfn.lastIndexOf(File.separator)+1);
try
//importTable importer = jbInit.getImportTable();
// create the file to be uploaded and a connection to
servlet.
File fileToUpload = new File(fqfn);
long fileSize = fileToUpload.length();
// get last mod of this file.
// The last mod is sent to the servlet as a header.
long lastMod = fileToUpload.lastModified();
String strLastMod = String.valueOf(lastMod);
URL serverURL = new URL(webadminApplet.strServletURL);
URLConnection serverCon = serverURL.openConnection();
// a bunch of connection setup related things.
serverCon.setDoInput(true);
serverCon.setDoOutput(true);
// Don't use a cached version of URL connection.
serverCon.setUseCaches (false);
serverCon.setDefaultUseCaches (false);
// set headers and their values.
serverCon.setRequestProperty("Content-Type",
"application/octet-stream");
serverCon.setRequestProperty("Content-Length",
Long.toString(fileToUpload.length()));
serverCon.setRequestProperty(FILENAME_HEADER, destDir +
destFileName);
serverCon.setRequestProperty(FILELASTMOD_HEADER, strLastMod);
if (webadminApplet.DEBUG) System.out.println("Connection with
FTP server established");
// create file stream and write stream to write file data.
FileInputStream fis = new FileInputStream(fileToUpload);
OutputStream os = serverCon.getOutputStream();
try
// transfer the file in 4K chunks.
byte[] buffer = new byte[4096];
long byteCnt = 0;
//long percent = 0;
int newPercent = 0;
int oldPercent = 0;
while (true)
int bytes = fis.read(buffer);
byteCnt += bytes;
//11-21-02 :
//If itemID is greater than -1 this is an import file
transfer
//otherwise this is a header graphic file transfer.
if (itemID > -1)
newPercent = (int) ((double) byteCnt/ (double)
fileSize * 100.0);
int diff = newPercent - oldPercent;
if (newPercent == 0 || diff >= 20)
oldPercent = newPercent;
jbInit.getImportTable().displayFileTransferStatus
(itemID,
newPercent);
if (bytes < 0) break;
os.write(buffer, 0, bytes);
os.flush();
if (webadminApplet.DEBUG) System.out.println("No of bytes
sent: " + byteCnt);
finally
// close related streams.
os.close();
fis.close();
if (webadminApplet.DEBUG) System.out.println("File
Transmission complete");
// find out what the servlet has got to say in response.
BufferedReader reader = new BufferedReader(
new
InputStreamReader(serverCon.getInputStream()));
try
String line;
while ((line = reader.readLine()) != null)
if (webadminApplet.DEBUG) System.out.println(line);
finally
// close the reader stream from servlet.
reader.close();
} // end of the big try block.
catch (Exception e)
System.out.println("Exception during file transfer:\n" + e);
e.printStackTrace();
return("FTP failed. See Java Console for Errors.");
} // end of catch block.
return("File: " + fname + " successfully transferred.");
} // end of method transferFile().
} // end of class fileTransferClient
Server side code:
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;
import java.net.*;
// This servlet class acts as an FTP server to enable transfer of
files
// from client side.
public class FtpServerServlet extends HttpServlet
String ftpDir = "D:\\pub\\FTP\\";
private static final String FILENAME_HEADER = "fileName";
private static final String FILELASTMOD_HEADER = "fileLastMod";
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException,
IOException
doPost(req, resp);
public void doPost(HttpServletRequest req, HttpServletResponse
resp)
throws ServletException,
IOException
// ### for now enable overwrite by default.
boolean overwrite = true;
// get the fileName for this transmission.
String fileName = req.getHeader(FILENAME_HEADER);
// also get the last mod of this file.
String strLastMod = req.getHeader(FILELASTMOD_HEADER);
String message = "Filename: " + fileName + " saved
successfully.";
int status = HttpServletResponse.SC_OK;
System.out.println("fileName from client: " + fileName);
// if filename is not specified, complain.
if (fileName == null)
message = "Filename not specified";
status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
else
// open the file stream for the file about to be transferred.
File uploadedFile = new File(fileName);
// check if file already exists - and overwrite if necessary.
if (uploadedFile.exists())
if (overwrite)
// delete the file.
uploadedFile.delete();
// ensure the directory is writable - and a new file may be
created.
if (!uploadedFile.createNewFile())
message = "Unable to create file on server. FTP failed.";
status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
else
// get the necessary streams for file creation.
FileOutputStream fos = new FileOutputStream(uploadedFile);
InputStream is = req.getInputStream();
try
// create a buffer. 4K!
byte[] buffer = new byte[4096];
// read from input stream and write to file stream.
int byteCnt = 0;
while (true)
int bytes = is.read(buffer);
if (bytes < 0) break;
byteCnt += bytes;
// System.out.println(buffer);
fos.write(buffer, 0, bytes);
// flush the stream.
fos.flush();
} // end of try block.
finally
is.close();
fos.close();
// set last mod date for this file.
uploadedFile.setLastModified((new
Long(strLastMod)).longValue());
} // end of finally block.
} // end - the new file may be created on server.
} // end - we have a valid filename.
// set response headers.
resp.setContentType("text/plain");
resp.setStatus(status);
if (status != HttpServletResponse.SC_OK)
getServletContext().log("ERROR: " + message);
// get output stream.
PrintWriter out = resp.getWriter();
out.println(message);
} // end of doPost().
} // end of class FtpServerServlet

OK - the problem you describe is definitely what's giving you grief.
The workaround is to use a socket connection and send your own request headers, with the content length filled in. You may have to multi-part mime encode the stream on its way out as well (I'm not about that...).
You can use the following:
http://porsche.cis.udel.edu:8080/cis479/lectures/slides-04/slide-02.html
on your server to get a feel for the format that the request headers need to take.
- Kevin
I get the out of Memory Error on the client side. I
was told that this might be a bug in the URLConnection
class implementation that basically it wont know the
content length until all the data has been written to
the output stream, so it uses an in memory buffer to
store the data which basically causes memory issues..
do you think there might be a workaround of any kind..
or maybe a way that the buffer might be flushed after
a certain size of file has been uploaded.. ?? do you
have any ideas?

Copying hangs when copying large files from DVD

I'm having trouble copying large files (>2GB) from DVDs to my built-in hard drive. When I drag the file icon from the DVD window to the desktop, the progress bar pops up almost immediately, and says "0 KB of 2.3 GB copied" and "Estimated time left: 1 minute" -- and then it just sits there, doing nothing. In some cases, after five minutes or so of inactivity, the copy finally begins... but most of the time it never does. Force-Quit doesn't help; the only way out is to do an emergency restart and try again.
This problem began when I upgraded to Tiger, and several members of my office group have been experiencing the same problem on their own computers as well.
I've poked around the forum looking for answers but the only thing I could find that looked related was a conflict between iSight and some third-party external hard drives... but none of us have iSight, and none of us are using third-party external drives, so clearly that's not the issue we'rehaving.
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iBook G4 Mac OS X (10.4.6)

Michael, I occasionally notice anomolous behaviour when files get dragged between volumes. Mostly the copying window shows an accurate and immediate indication of what's going on, but other times it just looks like nothing's happening, the display never changes, yet, it is in fact copying the files over. Now, if you're copying 2gb files from DVD to HD, it's gonna take some time, more than 5 minutes, so I'm wondering how long you've left it before forcing it to quit?

When uploading large file from network, all other requests are not being sent to server

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