我正在尝试启动服务器进行视频会议，但在运行时出现错误..所以任何人都可以帮助我我的错误在哪里以及我如何启动我的服务器以便客户与我建立联系..
package chat;
import java.awt.Button;
import java.awt.Choice;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Event;
import java.awt.Frame;
import java.awt.Image;
import java.awt.Insets;
import java.awt.Label;
import java.awt.List;
import java.awt.MediaTracker;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.TextArea;
import java.awt.TextComponent;
import java.awt.Toolkit;
import java.awt.Window;
import java.io.IOException;
import java.io.PrintStream;
import java.net.ServerSocket;
public class ChatServer extends Frame
{
static final int DEFAULT_USERCOUNT = 3;
static final int DEFAULT_PORT = 10000;
static final String ICON_FILE = "icon.gif";
int num_Line = 0;
User[] users = null;
User_webBrowser[] users_webBrowser = null;
User_Video[] users_Video = null;
User_Audio[] users_Audio = null;
ServerSocket ss = null;
ServerSocket ss1 = null;
ServerSocket ss2 = null;
ServerSocket ss3 = null;
RoomGroup roomGroup = null;
int port = 10000;
Image icon = null;
String IP = null;
TextArea message_TextArea;
List users_List;
Choice room_Choice;
Label message_Label;
Label room_Label;
Label userList_Label;
Button clean_Button;
MenuBar mainMenuBar;
Menu menu1;
Menu menu3;
void initServer(int port)
throws IOException
{
this.users = new User[3];
this.users_webBrowser = new User_webBrowser[3];
this.users_Video = new User_Video[3];
this.roomGroup = new RoomGroup(3, this.room_Choice, this);
try {
this.ss = new ServerSocket(port, 5);
this.ss1 = new ServerSocket(port + 1, 5);
this.ss2 = new ServerSocket(port + 2, 5);
this.ss3 = new ServerSocket(port + 3, 5);
this.message_TextArea.appendText(
"\nserver socket init successed");
}
catch (Exception e) {
System.out.println(e);
this.message_TextArea.appendText(
"\nserver socket init error" + e);
}
for (int i = 0; i < this.users.length; i++)
{
this.users[i] = new User(this, i);
this.users_webBrowser[i] = new User_webBrowser(this, i);
this.users_Video[i] = new User_Video(this, i);
}
this.roomGroup.setUsers(this.users);
show();
go();
this.message_TextArea.appendText("\nserver started");
}
ChatServer(int port)
throws IOException
{
this.icon = getToolkit().getImage("icon.gif");
MediaTracker tracker = new MediaTracker(this);
tracker.addImage(this.icon, 0);
try {
tracker.waitForAll();
} catch (Exception e) {
System.out.println(e);
}
setLayout(null);
addNotify();
resize(insets().left + insets().right + 544, insets().top + insets().bottom + 355);
setTitle("Video conference system server V1.0");
setIconImage(this.icon);
setBackground(new Color(14542583));
this.message_TextArea = new TextArea();
this.message_TextArea.reshape(insets().left + 12,
insets().top + 36, 396, 240);
add(this.message_TextArea);
this.users_List = new List(5, false);
add(this.users_List);
this.users_List.reshape(insets().left + 432, insets().top +
144, 76, 110);
this.room_Choice = new Choice();
add(this.room_Choice);
this.room_Choice.reshape(insets().left + 420, insets().top +
60, 100, 1);
this.message_Label = new Label("Server Message");
this.message_Label.reshape(insets().left + 36, insets().top +
12, 100, 24);
add(this.message_Label);
this.room_Label = new Label("Meeting Room");
this.room_Label.reshape(insets().left + 420, insets().top +
14, 100, 24);
add(this.room_Label);
this.userList_Label = new Label("User Lists");
this.userList_Label.reshape(insets().left + 420, insets().top +
108, 100, 28);
add(this.userList_Label);
this.clean_Button = new Button("Remove");
this.clean_Button.reshape(insets().left + 180, insets().top +
12, 60, 24);
add(this.clean_Button);
this.mainMenuBar = new MenuBar();
this.menu1 = new Menu("File");
this.menu1.add("Restart");
this.menu1.add("Quit");
this.mainMenuBar.add(this.menu1);
this.menu3 = new Menu("Help");
this.mainMenuBar.setHelpMenu(this.menu3);
this.menu3.add("About");
this.mainMenuBar.add(this.menu3);
setMenuBar(this.mainMenuBar);
this.port = port;
initServer(port);
}
ChatServer()
throws IOException
{
this(10000);
}
void cleanButton_Clicked(Event event)
{
this.message_TextArea.setText("");
}
void About_Action(Event event)
{
new AboutDialog(this, true).show();
}
void Exit_Action(Event event)
{
new QuitDialog(this, true).show();
}
void Restart_Action(Event e)
{
try {
quit();
initServer(this.port);
} catch (Exception e1) {
this.message_TextArea.appendText("\ninit server error");
}
}
public synchronized void show()
{
move(50, 50);
super.show();
}
void roomChoice_Action(Event e)
{
String roomName = null;
int roomID = 0;
this.users_List.clear();
roomName = this.room_Choice.getSelectedItem();
roomID = this.roomGroup.getRoomID(roomName);
for (int i = 0; i < this.users.length; i++)
if ((this.users[i].logged) && (this.users[i].belongRoom) &&
(this.users[i].roomID == roomID))
this.users_List.addItem(this.users[i].name);
}
int roomNum()
{
String roomName = null;
int roomID = 0;
this.users_List.clear();
roomName = this.room_Choice.getSelectedItem();
roomID = 0;
int k = 0;
for (int i = 0; i < this.users.length; i++) {
if ((this.users[i].logged) && (this.users[i].belongRoom) &&
(this.users[i].roomID == roomID)) {
this.users_List.addItem(this.users[i].name);
k++;
}
}
return k;
}
public boolean handleEvent(Event event)
{
if (event.id == 201) {
quit();
hide();
dispose();
System.exit(0);
return true;
}
if ((event.target == this.room_Choice) && (event.id ==
1001)) {
roomChoice_Action(event);
return true;
}
if ((event.target == this.clean_Button) && (event.id ==
1001)) {
cleanButton_Clicked(event);
return true;
}
return super.handleEvent(event);
}
public boolean action(Event event, Object arg)
{
if ((event.target instanceof MenuItem)) {
String label = (String)arg;
if (label.equalsIgnoreCase("About")) {
About_Action(event);
return true;
}
if (label.equalsIgnoreCase("Quit")) {
Exit_Action(event);
return true;
}
if (label.equalsIgnoreCase("Restart")) {
Restart_Action(event);
return true;
}
}
return super.action(event, arg);
}
public static void main(String[] args)
{
try
{
chatServer = new ChatServer();
}
catch (Exception e)
{
ChatServer chatServer;
System.out.println(e);
}
}
public void go()
{
for (int i = 0; i < this.users.length; i++) {
this.users[i].start();
this.users_webBrowser[i].start();
this.users_Video[i].start();
}
}
public void quit()
{
for (int i = 0; i < this.users.length; i++) {
if (this.users[i] != null) this.users[i].destroy();
if (this.users_webBrowser[i] != null) this.users_webBrowser[i].destroy();
if (this.users_Video[i] != null) this.users_Video[i].destroy();
}
try
{
this.ss.close();
this.ss = null;
this.ss1.close();
this.ss1 = null;
this.ss2.close();
this.ss2 = null;
this.ss3.close();
this.ss3 = null;
this.room_Choice.removeAll();
this.users_List.clear();
this.message_TextArea.appendText(
"\nserver socket closed");
}
catch (IOException e) {
System.out.println(e);
}
}
}
堆栈跟踪
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
chatServer cannot be resolved to a variable
at chat.ChatServer.main(ChatServer.java:275)