@Override
    public void run() {
      while (myShouldAccept) {
        try {
          final ServerSocket serverSocketCopy = myServerSocket;
          if (serverSocketCopy == null) {
            break;
          }
          Socket socket = serverSocketCopy.accept();

          try {
            final ServerSocket serverSocket = createServerSocket();
            final RemoteDebugger debugger =
                new RemoteDebugger(
                    myMultiProcessDebugger.myDebugProcess,
                    serverSocket,
                    myMultiProcessDebugger.myTimeoutInMillis);
            addCloseListener(debugger);
            sendDebuggerPort(socket, serverSocket, myMultiProcessDebugger.myDebugProcess);
            socket.close();
            debugger.waitForConnect();
            debugger.handshake();
            myMultiProcessDebugger.addDebugger(debugger);
            myMultiProcessDebugger.myDebugProcess.init();

            debugger.run();
          } catch (Exception e) {
            LOG.warn(e);
          } finally {
            if (!socket.isClosed()) {
              socket.close();
            }
          }
        } catch (Exception ignore) {
          if (myServerSocket == null) {
            myShouldAccept = false;
          }
        }
      }
    }
 @Override
 public void run() throws PyDebuggerException {
   myMainDebugger.run();
 }
  /**
   * Starts the debugger. The method stops the current debugging (if any) and takes information from
   * the provided info (containing the class to start and arguments to pass it and name of class to
   * stop debugging in) and starts new debugging session.
   *
   * @param info debugger info about class to start
   * @exception DebuggerException if an error occures during the start of the debugger
   */
  public void startDebugger(DebuggerInfo info) throws DebuggerException {
    debuggerInfo = info;
    if (remoteDebugger != null) finishDebugger();
    // S ystem.out.println("startDebugger " + info); // NOI18N
    // RemoteDebugging support
    hostName = null;
    password = null;
    boolean local = true;
    if (info instanceof ReconnectDebuggerInfo) {
      ReconnectDebuggerInfo rdi = (ReconnectDebuggerInfo) info;
      hostName = rdi.getHostName();
      password = rdi.getPassword();
      local = false;
    } else if (info instanceof RemoteDebuggerInfo) {
      hostName = ((RemoteDebuggerInfo) info).getHostName();
      password = ((RemoteDebuggerInfo) info).getPassword();
      local = false;
    }
    boolean stopOnMain = info.getStopClassName() != null;
    stopOnMainFlag = stopOnMain;
    // S ystem.out.println ("ToolsDebugger.startDebugger " + info.getStopClassName ()); // NOI18N
    // T hread.dumpStack ();

    synchronizer = new RequestSynchronizer();

    // open output window ...
    super.startDebugger(info);

    // start & init remote debugger ................................................
    //    process = null;
    if (local) {
      // create process & read password for local debugging

      // create starting string & NbProcessDescriptor
      NbProcessDescriptor debugerProcess;
      if (info instanceof ProcessDebuggerInfo)
        debugerProcess = ((ProcessDebuggerInfo) info).getDebuggerProcess();
      else debugerProcess = ProcessDebuggerType.DEFAULT_DEBUGGER_PROCESS;
      HashMap map;
      if (info instanceof ToolsDebugger10Info) {
        map =
            Utils.processDebuggerInfo(
                info,
                "-debug", // NOI18N
                "sun.tools.debug.EmptyApp" // NOI18N
                );
        map.put(ToolsDebugger10Type.JAVA_HOME_SWITCH, ((ToolsDebugger10Info) info).getJavaHome());
      } else {
        if (info instanceof ToolsDebugger11Info) {
          String javaHome11 = ((ToolsDebugger11Info) info).getJavaHome();
          if ((javaHome11 == null) || (javaHome11.trim().length() == 0)) {
            finishDebugger();
            throw new DebuggerException(bundle.getString("EXC_JDK11_home_is_not_set"));
          }
          map =
              Utils.processDebuggerInfo(
                  info,
                  "-debug -nojit", // NOI18N
                  "sun.tools.debug.EmptyApp" // NOI18N
                  );
          map.put(ToolsDebugger11Type.JAVA_HOME_SWITCH, javaHome11);
        } else {
          map =
              Utils.processDebuggerInfo(
                  info,
                  "-Xdebug", // NOI18N
                  "sun.tools.agent.EmptyApp" // NOI18N
                  );
        }
      }
      MapFormat format = new MapFormat(map);
      String s =
          format.format(
              debugerProcess.getProcessName() + " " + debugerProcess.getArguments() // NOI18N
              );
      println(s, ERR_OUT);

      // start process & read password ......................................
      try {
        process = debugerProcess.exec(format);
        BufferedReader bufferedreader =
            new BufferedReader(new InputStreamReader(process.getInputStream()));
        password = bufferedreader.readLine();
        showOutput(process, ERR_OUT, ERR_OUT);
        connectInput(process);
      } catch (java.lang.Exception e) {
        finishDebugger();
        throw new DebuggerException(
            new MessageFormat(bundle.getString("EXC_While_create_debuggee"))
                .format(
                    new Object[] {format.format(debugerProcess.getProcessName()), e.toString()}),
            e);
      }
      if (password == null) {
        // no reply
        finishDebugger();
        throw new DebuggerException(
            new MessageFormat(bundle.getString("EXC_While_connect_to_debuggee"))
                .format(new Object[] {format.format(debugerProcess.getProcessName())}));
      }
      if (password.indexOf("=") < 0) { // NOI18N
        // unexpected reply
        println(bundle.getString("CTL_Unexpected_reply") + ": " + password, ERR_OUT);
        showOutput(process, ERR_OUT + STD_OUT, ERR_OUT);
        finishDebugger();
        throw new DebuggerException(
            new MessageFormat(bundle.getString("EXC_Unecpected_debugger_reply"))
                .format(new Object[] {password}));
      }
      password = password.substring(password.indexOf("=") + 1); // NOI18N
      println(bundle.getString("CTL_Password") + ": " + password, ERR_OUT);
      hostName = "127.0.0.1"; // NOI18N
    } // end of local debugging specific
    else if (info instanceof ReconnectDebuggerInfo) {
      println(bundle.getString("CTL_Reconnecting"), ERR_OUT | STD_OUT);
    } else
      println(bundle.getString("CTL_Connecting_to") + ": " + hostName + ":" + password, ERR_OUT);

    // start RemoteDebugger ...................................................
    try {
      remoteDebugger =
          new RemoteDebugger(
              hostName,
              password.length() < 1 ? null : password,
              new ToolsCallback(this),
              isShowMessages());
    } catch (java.net.ConnectException e) {
      finishDebugger();
      throw new DebuggerException(
          new MessageFormat(bundle.getString("EXC_Cannot_connect_to_debuggee"))
              .format(new Object[] {e.toString()}),
          e);
    } catch (Throwable e) {
      if (e instanceof ThreadDeath) throw (ThreadDeath) e;
      // e.printStackTrace ();
      finishDebugger();
      throw new DebuggerException(
          new MessageFormat(bundle.getString("EXC_Cannot_connect_to_debuggee"))
              .format(new Object[] {e.toString()}),
          e);
    }

    // create arguments for main class ...............................................
    mainClassName = info.getClassName();
    RemoteClass cls;
    String[] args = null;
    if ((mainClassName != null) && (mainClassName.length() > 0)) {
      String[] infoArgs = info.getArguments();
      args = new String[infoArgs.length + 1];
      args[0] = mainClassName;
      System.arraycopy(infoArgs, 0, args, 1, infoArgs.length);
      // args[0] = name of class
      // args[...] = parameters

      // find main class .........................................................
      try {
        cls = remoteDebugger.findClass(mainClassName);
      } catch (Throwable e) {
        if (e instanceof ThreadDeath) throw (ThreadDeath) e;
        finishDebugger();
        throw new DebuggerException(
            new MessageFormat(bundle.getString("EXC_Cannot_find_class"))
                .format(new Object[] {mainClassName, e.toString()}),
            e);
      }
      if (cls == null) {
        finishDebugger();
        throw new DebuggerException(
            new MessageFormat(bundle.getString("EXC_Cannot_find_class"))
                .format(new Object[] {mainClassName, new ClassNotFoundException().toString()}));
      }
    }

    // set breakpoint on stop class method ...............................................
    if (stopOnMain) {
      RemoteClass stopClass = null;
      try {
        stopClass = remoteDebugger.findClass(stopClassName = info.getStopClassName());
      } catch (Throwable e) {
        if (e instanceof ThreadDeath) throw (ThreadDeath) e;
        println(
            bundle.getString("MSG_Exc_while_finding_class") + stopClassName + '\n' + e, ERR_OUT);
      }
      if (stopClass == null) {
        println(bundle.getString("CTL_No_such_class") + ": " + stopClassName, ERR_OUT);
      } else {
        try {
          RemoteField[] rf = stopClass.getMethods();
          int i, k = rf.length;
          Type t = Type.tMethod(Type.tVoid, new Type[] {Type.tArray(Type.tString)});
          Type startT = Type.tMethod(Type.tVoid);
          RemoteField startM = null;
          RemoteField initM = null;
          RemoteField constM = null;
          for (i = 0; i < k; i++) {
            if (rf[i].getName().equals("main")
                && // NOI18N
                rf[i].getType().equals(t)) break;
            else if (rf[i].getName().equals("start")
                && // NOI18N
                rf[i].getType().equals(startT)) startM = rf[i];
            else if (rf[i].getName().equals("init")
                && // NOI18N
                rf[i].getType().equals(startT)) initM = rf[i];
            else if (rf[i].getName().equals("<init>")
                && // NOI18N
                rf[i].getType().equals(startT)) constM = rf[i];
          }
          if (i < k) // [PENDING] stop on non main too !!!!!!!!!!!!!!!!!!!!!
          stopClass.setBreakpointMethod(rf[i]); // have main
          else if (initM != null) stopClass.setBreakpointMethod(initM);
          else if (startM != null) stopClass.setBreakpointMethod(startM);
          else if (constM != null) stopClass.setBreakpointMethod(constM);

          // S ystem.out.println ("Stop: " + (i <k) + " " + initM +" " + startM +" " + constM); //
          // NOI18N
          /*          pendingBreakpoints = new RemoteField [1];
          pendingBreakpoints [0] = rf[i];
          pendingBreakpointsClass = stopClass;*/
        } catch (Throwable e) {
          if (e instanceof ThreadDeath) throw (ThreadDeath) e;
          println(bundle.getString("MSG_Exc_while_setting_breakpoint") + '\n' + e, ERR_OUT);
        }
      }
    } // stopOnMain

    setBreakpoints();
    updateWatches();
    println(bundle.getString("CTL_Debugger_running"), STL_OUT);
    setDebuggerState(DEBUGGER_RUNNING);

    // run debugged class ...............................................
    if (args != null) {
      RemoteThreadGroup rtg = null;
      try {
        rtg = remoteDebugger.run(args.length, args);
        //        threadGroup.setRemoteThreadGroup (rtg);
      } catch (Throwable e) {
        if (e instanceof ThreadDeath) throw (ThreadDeath) e;
        finishDebugger();
        throw new DebuggerException(
            new MessageFormat(bundle.getString("EXC_While_calling_run"))
                .format(new Object[] {mainClassName, e.toString()}),
            e);
      }
      if (rtg == null) {
        finishDebugger();
        throw new DebuggerException(
            new MessageFormat(bundle.getString("EXC_While_calling_run"))
                .format(
                    new Object[] {
                      mainClassName, "" // NOI18N
                    }));
      }
    }

    // start refresh thread .................................................
    if (debuggerThread != null) debuggerThread.stop();
    debuggerThread =
        new Thread(
            new Runnable() {
              public void run() {
                for (; ; ) {
                  try {
                    Thread.sleep(5000);
                  } catch (InterruptedException ex) {
                  }
                  if (getState() == DEBUGGER_RUNNING)
                    try {
                      threadGroup.threadChanged();

                    } catch (Throwable e) {
                      if (e instanceof ThreadDeath) throw (ThreadDeath) e;
                      if (e instanceof java.net.SocketException) {
                        debuggerThread = null;
                        try {
                          finishDebugger();
                        } catch (Throwable ee) {
                          if (ee instanceof ThreadDeath) throw (ThreadDeath) ee;
                        }
                        Thread.currentThread().stop();
                      }
                    }
                }
              }
            },
            "Debugger refresh thread"); // NOI18N
    debuggerThread.setPriority(Thread.MIN_PRIORITY);
    debuggerThread.start();
  }