Program: 171217
Project: 171217
Buggy source:
@Override public void run(){
  JSONObject out=new JSONObject();
  final int[] players={0};
  final int[] playersPlaying={0};
  SocketServer.getConnections().forEach(socketContext -> {
    players[0]+=socketContext.getPlayers().size();
    playersPlaying[0]+=socketContext.getPlayingPlayers().size();
  }
);
  out.put("String_Node_Str","String_Node_Str");
  out.put("String_Node_Str",players[0]);
  out.put("String_Node_Str",playersPlaying[0]);
  out.put("String_Node_Str",System.currentTimeMillis() - Launcher.startTime);
  JSONObject mem=new JSONObject();
  mem.put("String_Node_Str",Runtime.getRuntime().freeMemory());
  mem.put("String_Node_Str",Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory());
  mem.put("String_Node_Str",Runtime.getRuntime().totalMemory());
  mem.put("String_Node_Str",Runtime.getRuntime().maxMemory());
  out.put("String_Node_Str",mem);
  SystemInfo si=new SystemInfo();
  HardwareAbstractionLayer hal=si.getHardware();
  JSONObject cpu=new JSONObject();
  cpu.put("String_Node_Str",Runtime.getRuntime().availableProcessors());
  cpu.put("String_Node_Str",hal.getProcessor().getSystemCpuLoad());
  cpu.put("String_Node_Str",getProcessRecentCpuUsage());
  out.put("String_Node_Str",cpu);
  int totalSent=0;
  int totalNulled=0;
  int players=0;
  for (  Player player : context.getPlayingPlayers()) {
    AudioLossCounter counter=player.getAudioLossCounter();
    if (!counter.isDataUsable())     continue;
    players++;
    totalSent+=counter.getLastMinuteSuccess();
    totalNulled+=counter.getLastMinuteLoss();
  }
  int totalDeficit=players * AudioLossCounter.EXPECTED_PACKET_COUNT_PER_MIN - (totalSent + totalNulled);
  if (players != 0) {
    JSONObject frames=new JSONObject();
    frames.put("String_Node_Str",totalSent / players);
    frames.put("String_Node_Str",totalNulled / players);
    frames.put("String_Node_Str",totalDeficit / players);
    out.put("String_Node_Str",frames);
  }
  context.getSocket().send(out.toString());
}

Fixed version (ground truth):
@Override public void run(){
  JSONObject out=new JSONObject();
  final int[] playersTotal={0};
  final int[] playersPlaying={0};
  SocketServer.getConnections().forEach(socketContext -> {
    playersTotal[0]+=socketContext.getPlayers().size();
    playersPlaying[0]+=socketContext.getPlayingPlayers().size();
  }
);
  out.put("String_Node_Str","String_Node_Str");
  out.put("String_Node_Str",playersTotal[0]);
  out.put("String_Node_Str",playersPlaying[0]);
  out.put("String_Node_Str",System.currentTimeMillis() - Launcher.startTime);
  JSONObject mem=new JSONObject();
  mem.put("String_Node_Str",Runtime.getRuntime().freeMemory());
  mem.put("String_Node_Str",Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory());
  mem.put("String_Node_Str",Runtime.getRuntime().totalMemory());
  mem.put("String_Node_Str",Runtime.getRuntime().maxMemory());
  out.put("String_Node_Str",mem);
  SystemInfo si=new SystemInfo();
  HardwareAbstractionLayer hal=si.getHardware();
  JSONObject cpu=new JSONObject();
  cpu.put("String_Node_Str",Runtime.getRuntime().availableProcessors());
  cpu.put("String_Node_Str",hal.getProcessor().getSystemCpuLoad());
  cpu.put("String_Node_Str",getProcessRecentCpuUsage());
  out.put("String_Node_Str",cpu);
  int totalSent=0;
  int totalNulled=0;
  int players=0;
  for (  Player player : context.getPlayingPlayers()) {
    AudioLossCounter counter=player.getAudioLossCounter();
    if (!counter.isDataUsable())     continue;
    players++;
    totalSent+=counter.getLastMinuteSuccess();
    totalNulled+=counter.getLastMinuteLoss();
  }
  int totalDeficit=players * AudioLossCounter.EXPECTED_PACKET_COUNT_PER_MIN - (totalSent + totalNulled);
  if (players != 0) {
    JSONObject frames=new JSONObject();
    frames.put("String_Node_Str",totalSent / players);
    frames.put("String_Node_Str",totalNulled / players);
    frames.put("String_Node_Str",totalDeficit / players);
    out.put("String_Node_Str",frames);
  }
  context.getSocket().send(out.toString());
}