Z61p Grafikmemory Problems
Hello,
i have a Z61p 0674 ksg with a grafikcard Ati Firegl V5200 Notebook. When i install Vista 32 or 64 bit or when i install Windows 7 32 bit or 64 bit then i see in Monitor option that the Grafikmemory have 1028MB? When i have install Windows XP then i see 512MB Grafikmemory. I dont understand the Problem and also make problems that vista and windows 7 not running good. I have 2 gb Ram.
This is just the quirk with the Vista, i don't know why it occurs, this problem exists in HP laptops that used the ATI graphics too from that era.
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft
Similar Messages
-
I have an old Z61, the ID is : 9450-CTO.
When I turn on the laptop the screen remains dark and no image is displayed at all. I have tried to us a flashlight and other light sources to see if it is just a bad inverter or backlight bulb. I do not see any image what so ever. I am currently trying to figure out if it is mainboard or video processor related. I have tried with and without battery, tried the lid close magnetic tab, tried blowing out the fan and interior of the case with compressed air. I have not yet tried to reseat the heat sink with new thermal paste but that is an option if someone thinks it will help. Also it sounds like the fan is no longer running at all. I plan to replace the fan if I can see that it is not operating with my own eyes.
My questions for the forum are:
Why does the video work sometimes and not others.
It will come on for 10 seconds some days and not at all others.
How do I figure out what needs to be fixed or replaced to solve this problem?
Can the fan not running, be causing the video to not work?
Keeping in mind that I don't know if it is overheating, as the video is only ever on for around 10-15 seconds when it comes on at all.
Thank you for your time.
JohnathanThis is just the quirk with the Vista, i don't know why it occurs, this problem exists in HP laptops that used the ATI graphics too from that era.
Regards,
Jin Li
May this year, be the year of 'DO'!
I am a volunteer, and not a paid staff of Lenovo or Microsoft -
Z61p with XP Professional - UJ-850 CD Recording Problem
A little while back I started getting an "Unknown Error" when burning CDs. It would not complete the burning process in either Roxio or the Windows software. I have not made any chnages to the machine or software for a while I guessed that the issue was probably with the burner hardware, so I tracked down another Lenovo/Mat**bleep**a UJ-850 39T2721/39T2720 drive which is exactly what was in there. It popped in with no problem and now I am still getting the same error.
According to the device manager there is no problem with the driver and there is no update. That was the only thing I haven't tried I think. I have not been able to find a separate driver anywhere for this.
I would very much appreciate suggestions.
Thanks.
ColinI was often told before that alcohol was not the solution to my problems... ; )
Thanks for the suggestion. I cleaned the lens and gave it another try. This time I got a different error:
E8004183c Command Error: invalid block size [03/10/00]
In the help description of this error it says it could be a connection problem as with the previous illegal mode error I had been getting but it also said it might be a driver issue and it suggested reinstalling the driver. If the error was the same as before I would be inclined to just get another burner but the fact that the error changed when I cleaned the laser gave me a little doubt that that would definitely be the solution.
I uninstalled the Windows driver and just went with the generic IBM driver the machine installed itself when I booted the next time. I have looked around for just the proper driver for the UJ-850 for Lenovo and have not been too succesful. The CD/DVD drivers I see on the Lenovo site for the Z61p do not list the UJ-850 and the Mat**bleep**a site says to get the drivers for the UJ series burners from the computer manufacturer's site. Where can I get the proper driver? I am 99% sure this is the burner that came with this Z61p originally and I am 100% that it used to work fine.
I have two UJ-850s here and neither one works in this machine which sounds like a driver or some other issue with computer -- but, both of these UJ-850 burners were manufactured in 2006 and may have reached the end of their useful life.
Any thoughts would be appreciated. Thanks. -
Wireless problem since installing new drivers z61p
I recently restored back to factory default for everything. Then happily headed over to lenovo drivers to download all new drivers for my Z61p (win xp) .
got my sound running
downloaded intel wireless driver
got new access conections (since i was having a problem where the wireless would not switch on [using the Fn + F5..it just would not switch on] - managed to get it to now switch on at least)
however now when i switch my machine on i get an error message saying intel wireless management has to shut down - do i want to send an error report (i did..no response yet..if ever)?
then
access conections tells cant link to the wireless router..it simply finds nothing when i tell it to look for a network - never mind actually link to my preset office router
digging a bit below the surface
intel wants to report that i have the wrong driver installed (so i went back to the drivers site and downloaded again and installed again..no joy)
as does access conections..(did the same re install...no joy)
Do i have the wrong drivers?
the site i used was:http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-64278
then for intel the one called:
Intel PRO/Wireless 2200bg, 2915abg, 3945bg, 3945abg, 4965ag, 4965agn Mini PCI adapter
and then:
ThinkVantage Access Connections
am i being"dumb"?
any help/ advice welcome.."other than just run the install file again"
is there another source of drivers i could use?Got this sorted.
-
T61 /Advanced Docking Station Problem
I have a problem undocking T61 from an Advanced Docking Station ----- Message" You cannot eject your computer because one of the devices in the docking station, "Printer Port (LPT1)" cannot be stopped because a program is still accessing it"
No hardware is attached to any printer port and as far as I can tell no program should be running. If I shut down I can then undock. The docking station was new yesterday!
Any help/advice would be appreciated'I use a 320GB in my advance dock and don't have any problems with it. I'm running a z61p so perhaps that is where the issue lies..
Current: Thinkpad Yoga S1 w/digitizer
Past: T500 2056-4SU, Advanced Dock, Ultrabay HDD carrier
Z61p 9452JRU. My first Lenovo/IBM stolen and in the hands of someone else now. Advanced Dock, Ultrabay HDD carrier -
I have connected my Z61p laptop to an external monitor so that I can have more display area. Yesterday I closed down my computer and found and it was in sleep mode for a while. After I started working I find the connected monitor blank, the monitor says no signal and goes standby. I looked at the mobility center from the control panel and it says "Display Connected" I tried Connect Display may times but the no success. The status is "Display Connected" though. Can anyone tell me what is the problem ? Please help.
Thanks and regards.Hi,
That is something to do with Display setup. Please try
(a) Right click a blank space on Desktop,
(b) Select Personalize,
(c) Select Display,
(d) Change Display settings, you should see 2 screens (1 & 2)
(e) Now you can extend display to the second screen.
(f) Click Change setting/Apply
Regards.
BH
**Click the KUDOS thumb up on the left to say 'Thanks'**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem. -
I had a problem with the lan card on my Z61p laptop. I gave the laptop for service to IBM and they changed the motherboard as the lan card is istalled on it. Since then I cannot use the Client Security Solution. when I open my laptop CSS always start and asks me to enter my windows password. After that there is a message coming "user could not be enrolled". I have already reset my computer to factory settings, I tried to clear security chip from bios and I have updated my system from System Update but I still have the same problem. Is there any solution how to reset the security chip or something else to do? I can't get my security chip working. I am running Windows XP SP2 if this helps
Thanks in advance
ThinkPad z61p t7200 2.0GHz 2Gb ram 100 Gb hard disk Windows XPHi,
I'm having the same "authentication failed" issue since I had to do a mandatory password change for my workplace network. I can log on fine using the finger recognition (presumably it has stored and uses my new password) but it eventually tells me that my windows password has changed, and asks me to "authenticate" it, and then invariably tells me that the authentication failed. I've updated to CSS 8.1 to no avail. Tried leaving the password blank as well as using "password", also without luck.
Have you made any progress?? -
In Windows XP, sometimes when I put my Z60m into standby mode, it will not boot back up. It normally will enter the standby state correctly, with the standby light being the only indicator that is lit. After some amount of time (usually between ten to fifteen minutes), the battery light will spontaneously light up. While this light is on as well, there is no way to bring the system out of standby. Sometimes the battery light turns off again, and it is possible to bring the system back, but often it stays lit and I have to do a forced power-off and reboot the system completely. This is a bit frustrating; has anyone else had the same problem? My first thought was something to do with BIOS.
Dear Friend !
Get used to it. It is LENOVO. Their upper-most-class million dollar computers (like my Z61p) worth a piece of **bleep**. It looks perfect. It can give you a wonderfull short-term experience. But when you use it day after day you realise that it is UNSTABLE. I'll never recommend lenovo to anyone. Their support is even more LOL !
---- snitt --- by the way i OF COURSE have the same standby problem. I just dont post it. What for ?
They dont give a **bleep** LENOVO&MS are working on their next top-class systems. PROFIT is what matters these days. Not Quality.
Note from Moderator: Watch your language.
Message Edited by nonny on 04-21-2008 08:27 AM
I recommend reading http://www.suyogdeshpande.net/blog/2006/12/15/lenovo-3000-n100-review/
and watching http://www.youtube.com/watch?v=qCr9oKZVWtM
DONT BUY LENOVO ! -
Hello,
I have a Z61p running Win XP SP2. After a recent rebuild and reinstall of OS and my applications, it will not suspend. The screen goes black, it does a lot of disk activity, the hard disk then flickers every 30 seconds, and then does not suspend
I have updated the bios, the power control drivers, and a bunch of other drivers.
Can anyone tell me if there are any tools to check what might be stopping the susend.
Is there a suspend driver which may need updating ?
Does the suspend require some processes to stop, in which case a process might be stopping the suspend ?
Any other ideas would be welcome ?
Thanks
johnHi john,
we have multiple Z61p in our facility and some are facing the same problem.
So I asked my collegues if their Z61p show the same behaviour.
One of them said yes, it did. He switched off the Lenovo Engery Scheme to fix that. He assumes Windows and Lenovo software block each other when going into suspend. Since I did the same yesterday the problem seems to be gone.
Regards,
Martin
Message Edited by crashtokio on 10-31-2008 03:02 PM -
I am trying to implement some kind of a server listening for requests. The listener part of the app, is a daemon thread that listens for connections and instantiates a handling daemon thread once it gets some. However, my problem is that i must be able to kill the listening thread at the user's will (say via a sto button). I have done this via the Sun's proposed way, by testing a boolean flag in the loop, which is set to false when i wish to kill the thread. The problem with this thing is the following...
Once the thread starts excecuting, it will test the flag, find it true and enter the loop. At some point it will LOCK on the server socket waiting for connection. Unless some client actually connects, it will keep on listening indefinatelly whithought ever bothering to check for the flag again (no matter how many times you set the damn thing to false).
My question is this: Is there any real, non-theoretical, applied way to stop thread in java safely?
Thank you in advance,
LeftyThis was one solution from the socket programming forum, have you tried this??
public Thread MyThread extends Thread{
boolean active = true;
public void run(){
ss.setSoTimeout(90);
while (active){
try{
serverSocket = ss.accept();
catch (SocketTimeoutException ste){
// do nothing
// interrupt thread
public void deactivate(){
active = false;
// you gotta sleep for a time longer than the
// accept() timeout to make sure that timeout is finished.
try{
sleep(91);
}catch (InterruptedException ie){
interrupt();
} -
A problem with Threads and MMapi
I am tring to execute a class based on Game canvas.
The problem begin when I try to Play both a MIDI tone and to run an infinit Thread loop.
The MIDI tone "Stammers".
How to over come the problem?
Thanks in advance
Kobi
See Code example below:
import java.io.IOException;
import java.io.InputStream;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.game.GameCanvas;
import javax.microedition.media.Manager;
import javax.microedition.media.MediaException;
import javax.microedition.media.Player;
public class MainScreenCanvas extends GameCanvas implements Runnable {
private MainMIDlet parent;
private boolean mTrucking = false;
Image imgBackgound = null;
int imgBackgoundX = 0, imgBackgoundY = 0;
Player player;
public MainScreenCanvas(MainMIDlet parent)
super(true);
this.parent = parent;
try
imgBackgound = Image.createImage("/images/area03_bkg0.png");
imgBackgoundX = this.getWidth() - imgBackgound.getWidth();
imgBackgoundY = this.getHeight() - imgBackgound.getHeight();
catch(Exception e)
System.out.println(e.getMessage());
* starts thread
public void start()
mTrucking = true;
Thread t = new Thread(this);
t.start();
* stops thread
public void stop()
mTrucking = false;
public void play()
try
InputStream is = getClass().getResourceAsStream("/sounds/scale.mid");
player = Manager.createPlayer(is, "audio/midi");
player.setLoopCount(-1);
player.prefetch();
player.start();
catch(Exception e)
System.out.println(e.getMessage());
public void run()
Graphics g = getGraphics();
play();
while (true)
tick();
input();
render(g);
* responsible for object movements
private void tick()
* response to key input
private void input()
int keyStates = getKeyStates();
if ((keyStates & LEFT_PRESSED) != 0)
imgBackgoundX++;
if (imgBackgoundX > 0)
imgBackgoundX = 0;
if ((keyStates & RIGHT_PRESSED) != 0)
imgBackgoundX--;
if (imgBackgoundX < this.getWidth() - imgBackgound.getWidth())
imgBackgoundX = this.getWidth() - imgBackgound.getWidth();
* Responsible for the drawing
* @param g
private void render(Graphics g)
g.drawImage(imgBackgound, imgBackgoundX, imgBackgoundY, Graphics.TOP | Graphics.LEFT);
this.flushGraphics();
}You can also try to provide a greater Priority to your player thread so that it gains the CPU time when ever it needs it and don't harm the playback.
However a loop in a Thread and that to an infinite loop is one kind of very bad programming, 'cuz the loop eats up most of your CPU time which in turn adds up more delays of the execution of other tasks (just as in your case it is the playback). By witting codes bit efficiently and planning out the architectural execution flow of the app before start writing the code helps solve these kind of issues.
You can go through [this simple tutorial|http://oreilly.com/catalog/expjava/excerpt/index.html] about Basics of Java and Threads to know more about threads.
Regds,
SD
N.B. And yes there are more articles and tutorials available but much of them targets the Java SE / EE, but if you want to read them here is [another great one straight from SUN|http://java.sun.com/docs/books/tutorial/essential/concurrency/index.html] .
Edited by: find_suvro@SDN on 7 Nov, 2008 12:00 PM -
Hi all,
I would like to ask you for a help. I need to write a small program at my university. I started to write a midlet which function would be to countdown time for sports activities. I woul like to start a new thread - the one that counts down - and at the same time make the main thread sleep. After the "countdown" thread finishes, the main thread wakes up and waits for user input. The problem is that when the "countdown" thread finishes his work, I've got Uncaught exception java/lang/NullPointerException. error and the midlet halts.
Below you can find the code
import java.lang.*;
import java.util.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
public class intervals extends MIDlet implements CommandListener
public Display ekran;
private SweepCanvas sweeper;
private Form rundy;
private TextField round0, round1, round2, round3, round4, round5, round6, round7, round8;
private long czas,x;
private Command exitCommand;
private Command addRound;
private Command delRound;
private Command start;
private TextField repeat;
private Form odliczanie;
private Alert ostrz;
Licznik thread;
String test;
StringItem test1;
int parz,i,j,k;
static int l;
int ilrund;
int ilpowt;
Item sec;
long sec1;
public intervals()
rundy = new Form("Interwały sportowe");
exitCommand = new Command("Wyjście", Command.EXIT, 2);
addRound = new Command("Dodaj","Dodaj rundę", Command.ITEM,1);
delRound = new Command("Usuń","Usuń ostatnią rundę", Command.ITEM,1);
start = new Command("Start", Command.ITEM,1);
odliczanie = new Form("Odliczanie");
TextField dodaj(TextField kolej)
kolej=new TextField("Podaj czas (s) rundy "+parz,null, 4, TextField.NUMERIC);//stworzenie nowej instancji do wybierania czasu trwania rundy
if(rundy.size()==0)
rundy.insert(rundy.size(),kolej);
else
rundy.insert(rundy.size()-1, kolej);
return kolej;
void odliczanie(TextField round)
monitor m=new monitor();
k=Integer.parseInt(round.getString());
ekran.setCurrent(odliczanie);
thread=new Licznik(k,odliczanie);
thread.start();
ekran.setCurrent(rundy);
public void startApp()// throws MIDletStateChangeException
rundy.deleteAll();
repeat = new TextField("Podaj ilość powtórzeń",null,1,TextField.NUMERIC);
rundy.addCommand(addRound);
rundy.addCommand(exitCommand);
rundy.setCommandListener(this);
Canvas obrazek = new MyCanvas();
ekran = Display.getDisplay(this);
ekran.setCurrent(obrazek);
czas=System.currentTimeMillis();
while (System.currentTimeMillis()<czas+1000)
continue;
ekran.setCurrent(rundy);
public void pauseApp()
public void destroyApp(boolean unconditional)
notifyDestroyed();
public void commandAction(Command c, Displayable s)
if (c == exitCommand)
destroyApp(false);
notifyDestroyed();
else if(c==addRound)
if(rundy.size()==0)//Sprawdzenie ilości elementów w celu poprawnego wyświetlania liczby rund w formie
parz=1;
else
parz=rundy.size();
switch(parz)
case 1:
round0=dodaj(round0);break;
case 2:
round1=dodaj(round1);break;
case 3:
round2= dodaj(round2);break;
case 4:
round3=dodaj(round3);break;
case 5:
round4=dodaj(round4);break;
default:
ostrz=new Alert("Uwaga","Maksymalna liczba rund wynosi 9", null, AlertType.INFO);
ostrz.setTimeout(3000);
ekran.setCurrent(ostrz);
if(rundy.size()==1)
rundy.append(repeat);
rundy.addCommand(start);
rundy.addCommand(delRound);
else if(c==delRound)
if(rundy.size()!=0)
rundy.delete(rundy.size()-2);
if (rundy.size()==1)
rundy.deleteAll();
if(rundy.size()==0)
rundy.removeCommand(delRound);
rundy.removeCommand(start);
else if(c==start)
ilrund=rundy.size()-1;
if(this.repeat.size()>0)
ilpowt=Integer.parseInt(this.repeat.getString());
ekran = Display.getDisplay(this);
for (i=1; i<=ilpowt;i++)
odliczanie= new Form("Odliczanie");
for (j=0;j<ilrund;j++)
switch(j)
case 0:
odliczanie(round0);
break;
case 1:
odliczanie(round1);
break;
case 2:
odliczanie(round2);
break;
case 3:
odliczanie(round3);
break;
case 4:
odliczanie(round4);
break;
case 5:
odliczanie(round5);
break;
case 6:
odliczanie(round6);
break;
case 7:
odliczanie(round7);
break;
case 8:
odliczanie(round8);
break;
class Licznik extends Thread
int czas1,k;
Form forma;
monitor m;
public Licznik(int k,Form formap)
czas1=k;
forma=formap;
public synchronized void run()
while(czas1>0)
forma.deleteAll();
forma.append("Czas pozostały (s): "+czas1);
try{Thread.sleep(1000);} catch(InterruptedException e){e.printStackTrace();}
czas1--;
if(czas1<=0)
m.put();
}and monitor class
public class monitor
boolean busy=false;
synchronized void get()
if(!busy)
try
wait();
}catch(InterruptedException e){e.printStackTrace();}
notify();
synchronized void put()
if(busy)
try
wait();
}catch(InterruptedException e){e.printStackTrace();}
busy=true;
notify();
}Can anybody help me with this?Groovemaker,
Your Licznik class has a member m of type monitor, which has not been instantiated (in other words is null) hence, when calling m.put() you get NullPointerException. Please also mind, that using Thread.sleep(1000) is not an accurate way of measuring time.
If I may, please use recommended for Java class naming conventions - some of your names use lower case, while other don't which is confusing to the reader.
Daniel -
Problem with threads within applet
Hello,
I got an applet, inside this applet I have a singleton, inside this singleton I have a thread.
this thread is running in endless loop.
he is doing something and go to sleep on and on.
the problem is,
when I refresh my IE6 browser I see more than 1 thread.
for debug matter, I did the following things:
inside the thread, sysout every time he goes to sleep.
sysout in the singleton constructor.
sysout in the singleton destructor.
the output goes like this:
when refresh the page, the singleton constructor loading but not every refresh, sometimes I see the constructor output and sometimes I dont.
The thread inside the singleton is giving me the same output, sometime I see more than one thread at a time and sometimes I dont.
The destructor never works (no output there).
I don't understand what is going on.
someone can please shed some light?
thanks.
btw. I am working with JRE 1.1
this is very old and big applet and I can't convert it to something new.Ooops. sorry!
I did.
public void start() {
public void stop() {
public void destroy() {
try {
resetAll();
Configuration.closeConnection();
QuoteItem.closeConnection();
} finally {
try {
super.finalize();
} catch (Throwable e) {
e.printStackTrace();
} -
Problem with Threads and a static variable
I have a problem with the code below. I am yet to make sure that I understand the problem. Correct me if I am wrong please.
Code functionality:
A timer calls SetState every second. It sets the state and sets boolean variable "changed" to true. Then notifies a main process thread to check if the state changed to send a message.
The problem as far I understand is:
Assume the timer Thread calls SetState twice before the main process Thread runs. As a result, "changed" is set to true twice. However, since the main process is blocked twice during the two calls to SetState, when it runs it would have the two SetState timer threads blocked on its synchronized body. It will pass the first one, send the message and set "changed" to false since it was true. Now, it will pass the second thread, but here is the problem, "changed" is already set to false. As a result, it won't send the message even though it is supposed to.
Would you please let me know if my understanding is correct? If so, what would you propose to resolve the problem? Should I call wait some other or should I notify in a different way?
Thanks,
B.D.
Code:
private static volatile boolean bChanged = false;
private static Thread objMainProcess;
protected static void Init(){
objMainProcess = new Thread() {
public void run() {
while( objMainProcess == Thread.currentThread() ) {
GetState();
objMainProcess.setDaemon( true );
objMainProcess.start();
public static void initStatusTimer(){
if(objTimer == null)
objTimer = new javax.swing.Timer( 1000, new java.awt.event.ActionListener(){
public void actionPerformed( java.awt.event.ActionEvent evt){
SetState();
private static void SetState(){
if( objMainProcess == null ) return;
synchronized( objMainProcess ) {
bChanged = true;
try{
objMainProcess.notify();
}catch( IllegalMonitorStateException e ) {}
private static boolean GetState() {
if( objMainProcess == null ) return false;
synchronized( objMainProcess ) {
if( bChanged) {
SendMessage();
bChanged = false;
return true;
try {
objMainProcess.wait();
}catch( InterruptedException e ) {}
return false;
}Thanks DrClap for your reply. Everything you said is right. It is not easy to make them alternate since SetState() could be called from different places where the state could be anything else but a status message. Like a GREETING message for example. It is a handshaking message but not a status message.
Again as you said, There is a reason I can't call sendMessage() inside setState().
The only way I was able to do it is by having a counter of the number of notifies that have been called. Every time notify() is called a counter is incremented. Now instead of just checking if "changed" flag is true, I also check if notify counter is greater than zero. If both true, I send the message. If "changed" flag is false, I check again if the notify counter is greater than zero, I send the message. This way it works, but it is kind of a patch than a good design fix. I am yet to find a good solution.
Thanks,
B.D. -
Problem with threads running javaw
Hi,
Having a problem with multi thread programming using client server sockets. The program works find when starting the the application in a console using java muti.java , but when using javaw multi.java the program doesnt die and have to kill it in the task manager. The program doesnt display any of my gui error messages either when the server disconnect the client. all works find in a console. any advice on this as I havent been able to understand why this is happening? any comment would be appreciated.
troy.troy,
Try and post a minimum code sample of your app which
does not work.
When using javaw, make sure you redirect the standard
error and standard output streams to file.
Graeme.Hi Graeme,
I dont understand what you mean by redirection to file? some of my code below.
The code works fine under a console, code is supposed to exit when the client (the other server )disconnects. the problem is that but the clientworker side of the code still works. which under console it doesnt.
public class Server{
ServerSocket aServerSocket;
Socket dianosticsSocket;
Socket nPortExpress;
ClientListener aClientListener;
LinkedList queue = new LinkedList();
int port = 0;
int clientPort = 0;
String clientName = null;
boolean serverAlive = true;
* Server constructor generates a server
* Socket and then starts a client threads.
* @param aPort socket port of local machine.
public Server(int aPort, String aClientName, int aClientPort){
port = aPort;
clientName = aClientName;
clientPort = aClientPort;
try{
// create a new thread
aServerSocket = new ServerSocket(port) ;
// connect to the nPortExpress
aClientListener = new ClientListener(InetAddress.getByName(clientName), clientPort, queue,this);
// aClientListener.setDaemon(true);
aClientListener.start();
// start a dianostic port
DiagnosticsServer aDiagnosticsServer = new DiagnosticsServer(port,queue,aClientListener);
// System.out.println("Server is running on port " + port + "...");
// System.out.println("Connect to nPort");
catch(Exception e)
// System.out.println("ERROR: Server port " + port + " not available");
JOptionPane.showMessageDialog(null, (e.toString()),"ERROR: Server port " + port + " not available", JOptionPane.ERROR_MESSAGE);
serverAlive = false;
System.exit(1);
while(serverAlive&&aClientListener.hostSocket.isConnected()){
try{
// connect the client
Socket aClient = aServerSocket.accept();
//System.out.println("open client connection");
//System.out.println("client local: "+ aClient.getLocalAddress().toString());
// System.out.println("client localport: "+ aClient.getLocalPort());
// System.out.println("client : "+ aClient.getInetAddress().toString());
// System.out.println("client port: "+ aClient.getLocalPort());
// make a new client thread
ClientWorker clientThread = new ClientWorker(aClient, queue, aClientListener, false);
// start thread
clientThread.start();
catch(Exception e)
//System.out.println("ERROR: Client connection failure");
JOptionPane.showMessageDialog(null, (e.toString()),"ERROR: Client connection failure", JOptionPane.ERROR_MESSAGE);
}// end while
} // end constructor Server
void serverExit(){
JOptionPane.showMessageDialog(null, "Server ","ERROR: nPort Failure", JOptionPane.ERROR_MESSAGE);
System.exit(1);
}// end class Server
*** connect to another server
public class ClientListener extends Thread{
InetAddress hostName;
int hostPort;
Socket hostSocket;
BufferedReader in;
PrintWriter out;
boolean loggedIn;
LinkedList queue; // reference to Server queue
Server serverRef; // reference to main server
* ClientListener connects to the host server.
* @param aHostName is the name of the host eg server name or IP address.
* @param aHostPort is a port number of the host.
* @param aLoginName is the users login name.
public ClientListener(InetAddress aHostName, int aHostPort,LinkedList aQueue,Server aServer) // reference to Server queue)
hostName = aHostName;
hostPort = aHostPort;
queue = aQueue;
serverRef = aServer;
// connect to the server
try{
hostSocket = new Socket(hostName, hostPort);
catch(IOException e){
//System.out.println("ERROR: Connection Host Failed");
JOptionPane.showMessageDialog(null, (e.toString()),"ERROR: Connection to nPort Failed", JOptionPane.ERROR_MESSAGE);
System.exit(0);
} // end constructor ClientListener
** multi client connection server
ClientWorker(Socket aSocket,LinkedList aQueue, ClientListener aClientListener, boolean diagnostics){
queue = aQueue;
addToQueue(this);
client = aSocket;
clientRef = aClientListener;
aDiagnostic = diagnostics;
} // end constructor ClientWorker
* run method is the main loop of the server program
* in change of handle new client connection as well
* as handle all messages and errors.
public void run(){
boolean alive = true;
String aSubString = "";
in = null;
out = null;
loginName = "";
loggedIn = false;
while (alive && client.isConnected()&& clientRef.hostSocket.isConnected()){
try{
in = new BufferedReader(new InputStreamReader(client.getInputStream()));
out = new PrintWriter(new OutputStreamWriter(client.getOutputStream()));
if(aDiagnostic){
out.println("WELCOME to diagnostics");
broadCastDia("Connect : diagnostics "+client.getInetAddress().toString());
out.flush();
else {
out.println("WELCOME to Troy's Server");
broadCastDia("Connect : client "+client.getInetAddress().toString());
out.flush();
String line;
while(((line = in.readLine())!= null)){
StringTokenizer aStringToken = new StringTokenizer(line, " ");
if(!aDiagnostic){
broadCastDia(line);
clientRef.sendMessage(line); // send mesage out to netExpress
out.println(line);
out.flush();
else{
if(line.equals("GETIPS"))
getIPs();
else{
clientRef.sendMessage(line); // send mesage out to netExpress
out.println(line);
out.flush();
} // end while
catch(Exception e){
// System.out.println("ERROR:Client Connection reset");
JOptionPane.showMessageDialog(null, (e.toString()),"ERROR:Client Connection reset", JOptionPane.ERROR_MESSAGE);
try{
if(aDiagnostic){
broadCastDia("Disconnect : diagnostics "+client.getInetAddress().toString());
out.flush();
else {
broadCastDia("Disconnect : client "+client.getInetAddress().toString());
out.flush();
// close the buffers and connection;
in.close();
out.close();
client.close();
// System.out.println("out");
// remove from list
removeThreadQueue(this);
alive = false;
catch(Exception e){
// System.out.println("ERROR: Client Connection reset failure");
JOptionPane.showMessageDialog(null, (e.toString()),"ERROR: Client Connection reset failure", JOptionPane.ERROR_MESSAGE);
}// end while
} // end method run
* method run - Generates io stream for communicating with the server and
* starts the client gui. Run also parses the input commands from the server.
public void run(){
boolean alive = true;
try{
// begin to life the gui
// aGuiClient = new ClientGui(hostName.getHostName(), hostPort, loginName, this);
// aGuiClient.show();
in = new BufferedReader(new InputStreamReader(hostSocket.getInputStream()));
out = new PrintWriter(new OutputStreamWriter(hostSocket.getOutputStream()));
while (alive && hostSocket.isConnected()){
String line;
while(((line = in.readLine())!= null)){
System.out.println(line);
broadCast(line);
} // end while
} // end while
catch(Exception e){
// System.out.println("ERRORa Connection to host reset");
JOptionPane.showMessageDialog(null, (e.toString()),"ERROR: Connection to nPort reset", JOptionPane.ERROR_MESSAGE);
try{
hostSocket.close();
}catch(Exception a){
JOptionPane.showMessageDialog(null, (a.toString()),"ERROR: Exception", JOptionPane.ERROR_MESSAGE);
alive = false;
System.exit(1);
} // end method run
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