Applet - JNLP2Manager NullPointerException bail out

All,
when trying to run my applet I get the following error in the Java console.
java.lang.NullPointerException
     at sun.plugin2.applet.JNLP2Manager.initialize(Unknown Source)
     at sun.plugin2.main.client.PluginMain$StartAppletRunner.run(Unknown Source)
     at java.awt.event.InvocationEvent.dispatch(Unknown Source)
     at java.awt.EventQueue.dispatchEvent(Unknown Source)
     at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
     at java.awt.EventDispatchThread.run(Unknown Source)
Error while initializing manager: java.lang.NullPointerException, bail outAnyone knows what the problem is here?
The applet is packaged within a war and deployed on a Weblogic AS.
I use Java 1.6.0_14 to compile and launch the applet.
The applet is started with the following code:
    <script src="http://www.java.com/js/deployJava.js"></script>
    <script>
        var attributes = { code:'test.MyApplet', width:600, height:910} ;
        var parameters = {jnlp_href: '/jnlp/my-applet.jnlp'} ;
        deployJava.runApplet(attributes, parameters, '1.6');
    </script>Thanks in advance.

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* Check for updated USB drivers for your laptop. Check the manufacturers webpage as well as Google.
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Heres the problem: My ipod starts updating new songs, then after ~1GB of songs ( Ihave 16GBs of songs in iTunes), it just drops out (disappears), comes back a couple minutes later, but then starts updating at some random previous point (say 300GBs). It will get to a point around 1.2-1.5GBs and then bails out againreappearing at some prior update point. It does this over, over.
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Contact iHome for updates.

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need bailing out again....
and thankfully I know where to come.
This is a situation I should have found an answer to YEARS ago...would have saved me years of frustration, panic,confusion.
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need bailing out again....
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This is a situation I should have found an answer to YEARS ago...would have saved me years of frustration, panic,confusion.
Some three years of photos one day just disappeared from my iPhoto library.
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Not sure what some of them are, some some I am recognizing as my MISSING PHOTOS!!
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Choose Application
Choose an application to open the document "fairfield029.jpg.orig"
Enable: Recommended application
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Usually, when given a choice, and I don't really know, I will select what seems to be the default, what Mac seemingly wants to use. But everything is 'gray" won't allow me to select anything, nothing even
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Can someone please add some insight of what it means when it wants ME to choose an application to open a document? How to choose? What to choose? Why is the computer needing my input? In my current situation, the only option I seem able to choose is Cancel.
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[SOLVED] after upgrade : /sbin/init does not exist. Bailing out, ...

hi, after having upgraded today my archlinux, I cannot boot it. I get the following message : "ERROR: Root device mounted successfully, but /sbin/init does not exist. Bailing out, you are on you own. Good luck."
The last time the system was upgraded was in june 2013, before the "Binaries move to /usr/bin requiring update intervention" advisory (https://www.archlinux.org/news/binaries … ervention/). So before upgrading I followed the instructions given in this article and was able to upgrade. But after reboot I got the error message I'm reporting here.
Here is a copy of the config I'm using to boot arch in grub:
menuentry "Archlinux" {
load_video
set gfxpayload=keep
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos7'
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linux /boot/vmlinuz-linux root=/dev/sda7 ro
initrd /boot/initramfs-linux.img
Last edited by heavytull (2014-03-06 21:24:48)

karol wrote:
There have been quite a few changes since you last updated e.g. we're using 'rw' instead of 'ro'. Try
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See 'systemctl status sys-kernel-config.mount' for details.
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Multithreaded graphics applet gets NullPointerException

Hi!
This is a complex issue and the code's big, so i'll try
to explain the main part.
I have five classes.
AppletClass (this one extends Applet)
GraphicItem (just a little sprite which can draw itself)
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Thread2 (draw a random clolor text line in background
on a Graphics which is set by setg() in this class)
Drawer (a thread that draws an image set in
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What is it for: Well, this is a dubble buffering example,
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The problem is that when Thread1 in run() calls
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JBuilder (nor the browser).
The thing is that i do not use synchronized or
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thread are drawing onto the image. So, there might
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clobbered. That is, the GraphicItem is a cross of
random color, so i shoudl see thousands of crosses of
random color, but i thousands of crosses of pretty
much the same color as it seems like Random is not
working or drawing is broken.
Anyway, any idea how to properly implement such
thing? What precautions shoudl i take and which
conflicts and how should i resolve?
And, of course, in what cases NullPointerException is
generated? I mean, what exxctly does it mean and
when usually occurs?
PS: Don't you think it is weird to get such
exception in a language which officially
has no pointers? :)

Why it SOUNDS like is the Image you are drawing may not be completly loaded yet.. so the first few times it's blitted ( and possibly if it gets bumped out of memory ) attempting to draw it will throw a null pointer.
I solved that in my own code by using a MediaTracker on the image when it was created to make sure that it is loaded and ready to be draw immediatly.

NullPointerException in out.println(message);

Am trying to send a String to a server but getting a NullPointerException on line 46 thats this line:
out.println(message);
the code :
import java.sql.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.applet.Applet;
import java.io.*;
import java.net.*;
import java.util.*;
import java.applet.AudioClip;
import javax.swing.text.html.*;
import java.net.URL;
import java.io.IOException;
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private String hostname, message;
protected BufferedReader in;
protected PrintWriter out;
protected TextArea output;
protected TextField input;
protected Button b;
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public void runClient()
// set hostname to 127.0.0.1 for testing
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try
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out = new PrintWriter(s.getOutputStream(),true);
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System.err.println(e);
catch(IOException e)
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listener = new Thread(this);
listener.start();
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public void run()
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try
while(true)
String line = in.readLine();
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output.append(line + "\n");
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// when the Thread is killed...
finally
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Can someone show me the way?

Yes positiv this is how my server looks try for your self :
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import java.io.*;
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class chatHandler extends Thread
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protected BufferedReader in;
protected PrintWriter out;
protected static Vector handlers = new Vector();
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public void run()
System.out.println("run called");
try
// add this thread to class variable vector
handlers.addElement(this);
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// loop reading input and passing it to broadcast method
while(true)
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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
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public class fileTransferClient
private static final String FILENAME_HEADER = "fileName";
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// this method transfers the prescribed file to the server.
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//11-21-02 Changes : This method now has a new parameter that
references the item
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public static String transferFile(String srcFileName, String
destFileName,
String destDir, int itemID)
if (destDir.equals(""))
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// get the fully qualified filename and the mere filename.
String fqfn = srcFileName;
String fname =
fqfn.substring(fqfn.lastIndexOf(File.separator)+1);
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servlet.
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long lastMod = fileToUpload.lastModified();
String strLastMod = String.valueOf(lastMod);
URL serverURL = new URL(webadminApplet.strServletURL);
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serverCon.setDoInput(true);
serverCon.setDoOutput(true);
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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);
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FileInputStream fis = new FileInputStream(fileToUpload);
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byte[] buffer = new byte[4096];
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//long percent = 0;
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newPercent);
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new
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try
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while ((line = reader.readLine()) != null)
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return("File: " + fname + " successfully transferred.");
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} // 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
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String ftpDir = "D:\\pub\\FTP\\";
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private static final String FILELASTMOD_HEADER = "fileLastMod";
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throws ServletException,
IOException
doPost(req, resp);
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resp)
throws ServletException,
IOException
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boolean overwrite = true;
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// also get the last mod of this file.
String strLastMod = req.getHeader(FILELASTMOD_HEADER);
String message = "Filename: " + fileName + " saved
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if (fileName == null)
message = "Filename not specified";
status = HttpServletResponse.SC_INTERNAL_SERVER_ERROR;
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// 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?

Refresh applet sqlj NullPointerException URGENT!

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if (intSTRLENGTH > 17){
strDescr1[r][c] = rs2.getString(2).substring(0, 17);
strDescr2[r][c] = rs2.getString(2).substring(18,intSTRLENGTH);
}else{
strDescr1[r][c] = rs2.getString(1).substring(0,intSTRLENGTH);
strDescr2[r][c] = " ";
c++;
i++;
if(c > 4) {
r++;
c = 0;
rs2.close();
pstmt2.close();
con.close();
con = null;
Thanks for you Assistance! It's greatly appreciated!
Chris Wallace

After further research I notice that if I Clear classload cache after every load before I refresh the applet it works fine. I can't have the user brining up the the consule windows and pressing x to clear classloader. Just thought I would give this futher information to help limit what the problem could be.

NullPointerException on out.print (String)

I am using weblogic 4.5.1 and jsp 1.1
          Within a jsp page:
          <% out.print (someString); %>
          When someString is null, the server is throwing a NullPointerException.
          The stack trace reveals that the server is trying to do a
          someString.length() call (Whatever for?). Must you check every string that
          you print our for null before you print it?
          Thanks for the help.
          Tim


The 'New to Java' forum is some doors further. Please make use of it for basic questions about the Java SE API which are in fact already answered in the javadocs. This has completely nothing to do with JSP/Servlet.

Should I bail out now?

Early on Friday morning I signed up for BT Infinity and a little later got an email confirming the order and directing me to the online tracking. By late on Saturday afternoon the tracking was still saying that no order existed. I decided to call support. We have 2 phone lines in the house (both on the same BT account) and I wanted to check that the order was correctly set up for the right line and also to check the prices as this is not mentioned in the order email. Support told me that they "could see the problem" and that it would all be working fine by Monday morning.
Monday morning arrives and tracking is not working and the same by late afternoon. The order is still not linked to our BT account, if it exists at all. I phone support again. This time I am told that "all tracking is unavailable because of a systems upgrade" and that all customers are in the same position ie there is no tracking on the BT site. I said I did not believe this and asked to speak to a supervisor. I was put through to someone who gave me his name and said he would personally deal with this. He said that he would send an email within hours with all the information that should be on the tracking page and he also sent me a text number that I was supposed to use if I needed to make contact and he guaranteed a response in 2 hours.
Of course the promised email does not arrive and when I query it using the text number I was given, there is no response.
I also tried using the BT wifi when out in Edinburgh today. Unsurprisingly, this did not work either as the BT id is presumably not connected to the order.
For information, we have had an account with BT for over 30 years, over 12 at this address, and the phone line has always been with BT. We have also had an online account and BT id for many years.
Should I cancel the order now and go with another provider? As far as I can see from this forum BT is fine until you have a problem, but then a total nightmare to deal with if there are issues. Am I buying into a heap of misery or is this just teething problems that will be resolved?
Solved!
Go to Solution.

One step forward and one step back I'm sad to report.
I had a phone call today from BT support. The issue with my order resolved during the phone call, in that my Infinity order appeared online and was attached to my BT account. I pointed out while I was still on the phone call that the primary contact number for the Infinity installation was wrong. (we have 2 phone lines, one is data only and the data line was listed as primary contact) I was told to change this online. The change went through without any apparent error but now the order has disappeared from my account again and tracking is back to "order not found"
If I go into My BT and go to the track an order link, it says I have more than one order and gives me a drop down with 3 vol numbers (all the same) but still says order not found when I select any of them.
What do I do now? I'm assuming the order will still go through but with no connection to my account I will not have billing or management, and no access to the extras.

Plugin-container.exe makes my computer hang forever. i don't want my older pc to get overheated over this and bail out on me

plugin-container.exe is making my cpu get to 100% immediately i go online.
i first thought i got a virus somewhere, but no virus scan could find it. only then i checked the cpu usage to see what makes it go crazy, and it's plugin-container.exe, a program i thought legit, else i would've searched and destroyed it. turns out i'm not the only one having this trouble so guys, please do something about it. in the mean time i'm going back to 3.6.3 and hoping you solve this soon.
== This happened ==
Every time Firefox opened
== after the update to 3.6.6.

I found the way to stop using plugin-container.exe from somewhere and it works.
Steps to stop plugin-container.exe process:
* Open Firefox web browser.
* Type about:config in the address bar and press Enter key.
* A warning will appear. Ignore it and press the "I』ll be careful, I promise!" button.
* In the Filter field type dom.ipc. Six preferences will appear for the filter dom.ipc.
* Ignore first and last preferences. Toggle (double-click) each of the four remaining preferences to change the value from "true" to "false".
Explanation: The crash protection feature in Firefox 3.6 is enabled for certain plugins only. The four preferences that we modified here specifies four different out-of-process plugins. They are the the NPAPI test plugin, Adobe Flash, Apple QuickTime (Windows) and Microsoft Silverlight (Windows). These plugins are specified in a separate dom.ipc.plugins.enabled.<filename> preference by default is set to true. We can disable them by changing their value to false. And thus plugin-container.exe will not run. By default the preference dom.ipc.plugins.enabled is already set to "false". So, no need to touch it. The dom.ipc.plugins.timeoutSecs is also not important here as other values are false.

Applet Won't work out of NetBeans W/Swing

My Applet is working in NetBeans sun AppletRunner, but won't run in a browser and gives this exception:
java.lang.NoClassDefFoundError: org/jdesktop/layout/GroupLayout$Group
     at java.lang.Class.getDeclaredConstructors0(Native Method)
     at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
     at java.lang.Class.getConstructor0(Unknown Source)
     at java.lang.Class.newInstance0(Unknown Source)
     at java.lang.Class.newInstance(Unknown Source)
     at sun.applet.AppletPanel.createApplet(Unknown Source)
     at sun.plugin.AppletViewer.createApplet(Unknown Source)
     at sun.applet.AppletPanel.runLoader(Unknown Source)
     at sun.applet.AppletPanel.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)And my Applet extends javax.swing.JApplet, so whats wrong?

Did you specify the jar in the archive attribute of the applet element tag?
http://java.sun.com/docs/books/tutorial/uiswing/components/applet.html#plugin
Of course this does not help if the class is not in the jar though. :-/ (which seems very strange)
-Puce

Applet doesn't die out

Hello all,
I've an applet that contains a button.
I open a JFrame on its click event.
However, the frame doesn't destroy even if i've closed the applet's browser window sometimes.
Could anybody tell why is this happening and how could i remove this?
Thank you

Are you trying to creat an independent GUI application from the applet, or maybe you want to use JInternalFrame, or JPanel inside the applet?
If you want an independent application, you'll have to specifically terminate it if you want it to go away when you close the applet.
If you need more help, post a small, compilable, and executable example, an explanation of what it's doing, and what you want it to do.
Surround code with code tags like this:
[code]
put your code here. . .
[/code]

Getting livid with the inability to bail out...

I have a 60 GB MacBook and an 80 GB iPod Video. You can already guess the problem with this: I have no backup of my iPod and no option to (I had a 250 GB external HD that airport security was kind enough to "lose" for me about a month ago, and I hadn't the money to replace it yet, being a student and all).
I had been manually adding songs to my iPod as one could expect, and today I got this:
http://io-in.com/ipod/error.png
Oh goody. So, I go to the terminal and extract the movie files (Tune Tools didn't see anything) and brought them to the front of the iPod, where I could see them:
http://io-in.com/ipod/visible.png
No problem. I'll back them up to DVD, right? WRONG! I made three coasters. I then found out why: On my iPod, if I opened a movie, let's say AGYX.mp4 which is "Tapestry" for Star Trek, which I converted from a Jean Luc Picard collection I have, I see this:
http://io-in.com/ipod/onipod.png
However, after moving it to my harddrive before burning and opening it there, I get:
http://io-in.com/ipod/onharddrive.png
I am most annoyed. This is the result of 3 straght months of converting DVDs to a format I can watch on the bus, and now I have zero to show for it, and I need to redo EVERYTHING, assuming it won't just happen again.
Please, someone, tell me if there is still any way to salvage my progress, please advise.

Can't see the pix.
"Forbidden
You don't have permission to access /ipod/onipod.png on this server."
(I had a 250 GB external HD that airport security was kind enough to "lose" for me about a month ago, and I hadn't the money to replace it yet, being a student and all).
Did you file a claim against them/the airport?

Applet - JNLP2Manager NullPointerException bail out

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