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| How to disable log4j outputs from SDK JForex |
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goose_
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| Post subject: How to disable log4j outputs from SDK JForex |
Post rating: 0
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Posted: Tue 25 Jun, 2019, 11:18
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User rating: 2
Joined: Fri 06 Apr, 2018, 17:06
Posts: 23
Location: Poland,
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Hi. I started tests SDK on my VPS. I downloaded this file ( https://www.dukascopy.com/client/jforex ... -3-SDK.zip) and read how to use SDK in Eclipse from there ( https://www.dukascopy.com/wiki/en/devel ... in-eclipse). Then I running example from singlejartest package (Main.java), everything works fine, strategy is running. I can open jforex which I have installed on the disk and watch how this strategy works on the market. I can run strategy without jforex gui, only from console as java -jar demostrategy.jar, this is great   I'm impressed. btw. Great job jforex team. But........ I don't know how to resolve problem with log4j outputs from SDK JForex version running on my VPS. I don't want these messages, becouse I want to start simple strategy without GUI (swing elements like JFrame etc), only console version. I use Linux CentOs 7. I exported all project from Eclipse to jar format, and sended to my VPS, and run with command (java -jar myproject.jar] ..... And process in java is started. So, then I use key to stop this process CTRL + Z and put next command "bg", thease means I want to run this process in background all time. Then I want to close terminal, like Putty or Ubuntu terminal with ssh client, but these logs from LOGGER display information about opened order, closed order, debug and other things. I found this, but for me not works: 1. https://www.dukascopy.com/fxcomm/q_a/?a ... &q_id=14692. https://www.dukascopy.com/swiss/english ... g4j#p850993. https://www.dukascopy.com/swiss/english ... g4j#p88643I don't have graphic mode (Gnome) on my VPS (Linux CentOS 7), so is only one way - to use the console, but how to disable these all messages from server? How to disable these all information for current API ?Ok, when I logout and login again to VPS I don't see these messages, so strategy in process working in background silent, do not see spam in my console and strategy still running, but I want to know how to turn off these messages or something more about this... Regards.
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API Support
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| Post subject: Re: How to disable log4j outputs from SDK JForex |
Post rating: 0
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Posted: Tue 25 Jun, 2019, 15:41
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User rating: ∞
Joined: Fri 31 Aug, 2007, 09:17
Posts: 6139
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Hello, Add this code to the your program entry point method. org.apache.log4j.Logger.getRootLogger().removeAllAppenders();
org.apache.log4j.Logger.getRootLogger().addAppender(new NullAppender());
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goose_
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| Post subject: Re: How to disable log4j outputs from SDK JForex |
Post rating: 0
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Posted: Tue 25 Jun, 2019, 23:47
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User rating: 2
Joined: Fri 06 Apr, 2018, 17:06
Posts: 23
Location: Poland,
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Hello API Support. Ok, i put this code at the top of main function. I use example name MA_Play from singlejartest package like I said. But i made little modifications, this is my Main.java and MA_Play.java files code. And.. I run this with yours solution like you see in the picture. Messages about log client to server etc is disabled, but still I need to know how to block these messages about orders. Main.java /**
* Copyright (c) 2018 Dukascopy (Suisse) SA. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* -Redistribution of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* -Redistribution in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of Dukascopy (Suisse) SA or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. DUKASCOPY (SUISSE) SA ("DUKASCOPY")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL DUKASCOPY OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF DUKASCOPY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*/
package singlejartest;
import com.dukascopy.api.Instrument;
import com.dukascopy.api.system.ClientFactory;
import com.dukascopy.api.system.IClient;
import com.dukascopy.api.system.ISystemListener;
import org.apache.log4j.varia.NullAppender;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashSet;
import java.util.Set;
import javax.swing.JFrame;
import java.awt.Dimension;
/**
* This small program demonstrates how to initialize Dukascopy client and start a strategy
*/
public class Main {
private static final Logger LOGGER = LoggerFactory.getLogger(Main.class);
private static String jnlpUrl = "https://platform.dukascopy.com/demo/jforex.jnlp";
private static String userName = "DEMO2bwYFU";
private static String password = "bwYFU";
private static IClient client;
private static int lightReconnects = 3;
public static void main(String[] args) throws Exception {
org.apache.log4j.Logger.getRootLogger().removeAllAppenders();
org.apache.log4j.Logger.getRootLogger().addAppender(new NullAppender());
// main setup app
//JFrame frame = new JFrame("test simple strategy with SDK Jforex 3");
//frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//frame.setPreferredSize(new Dimension(400,400));
//frame.setVisible(true);
//frame.pack();
//get the instance of the IClient interface
client = ClientFactory.getDefaultInstance();
setSystemListener();
LOGGER.info("Connecting...");
tryToConnect();
if (!client.isConnected()) {
LOGGER.error("Failed to connect Dukascopy servers");
System.exit(1);
}
subscribeToInstruments();
LOGGER.info("Starting strategy");
client.startStrategy(new MA_Play());
//now it's running
}
private static void setSystemListener() {
//set the listener that will receive system events
client.setSystemListener(new ISystemListener() {
@Override
public void onStart(long processId) {
LOGGER.info("Strategy started: " + processId);
}
@Override
public void onStop(long processId) {
LOGGER.info("Strategy stopped: " + processId);
if (client.getStartedStrategies().size() == 0) {
System.exit(0);
}
}
@Override
public void onConnect() {
LOGGER.info("Connected");
lightReconnects = 3;
}
@Override
public void onDisconnect() {
tryToReconnect();
}
});
}
private static void tryToConnect() throws Exception {
//connect to the server using jnlp, user name and password
client.connect(jnlpUrl, userName, password);
//wait for it to connect
int i = 10; //wait max ten seconds
while (i > 0 && !client.isConnected()) {
Thread.sleep(1000);
i--;
}
}
private static void tryToReconnect() {
Runnable runnable = new Runnable() {
@Override
public void run() {
while(!client.isConnected()) {
try {
if (lightReconnects > 0 && client.isReconnectAllowed()) {
client.reconnect();
--lightReconnects;
} else {
tryToConnect();
}
if(client.isConnected()) {
break;
}
} catch (Exception e) {
LOGGER.error(e.getMessage(), e);
}
sleep(60 * 1000);
}
}
private void sleep(long millis) {
try {
Thread.sleep(millis);
} catch (InterruptedException e) {
LOGGER.error(e.getMessage(), e);
}
}
};
new Thread(runnable).start();
}
private static void subscribeToInstruments() {
Set<Instrument> instruments = new HashSet<>();
instruments.add(Instrument.EURUSD);
LOGGER.info("Subscribing instruments...");
client.setSubscribedInstruments(instruments);
}
}
MA_Play.java /**
* Copyright (c) 2017 Dukascopy (Suisse) SA. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* -Redistribution of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* -Redistribution in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of Dukascopy (Suisse) SA or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. DUKASCOPY (SUISSE) SA ("DUKASCOPY")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL DUKASCOPY OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF DUKASCOPY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*/
package singlejartest;
import com.dukascopy.api.*;
public class MA_Play implements IStrategy {
private IEngine engine = null;
private IIndicators indicators = null;
private int tagCounter = 0;
private double[] ma1 = new double[Instrument.values().length];
private IConsole console;
public void onStart(IContext context) throws JFException {
engine = context.getEngine();
indicators = context.getIndicators();
this.console = context.getConsole();
//console.getOut().println("Started");
}
public void onStop() throws JFException {
for (IOrder order : engine.getOrders()) {
order.close();
}
//console.getOut().println("Stopped");
}
public void onTick(Instrument instrument, ITick tick) throws JFException {
Double random = Math.random() * 100;
sendOrder(instrument, tick, random.intValue());
/*
if (ma1[instrument.ordinal()] == -1) {
ma1[instrument.ordinal()] = indicators.ema(instrument, Period.TEN_SECS, OfferSide.BID, IIndicators.AppliedPrice.MEDIAN_PRICE, 14, 1);
}
double ma0 = indicators.ema(instrument, Period.TEN_SECS, OfferSide.BID, IIndicators.AppliedPrice.MEDIAN_PRICE, 14, 0);
if (ma0 == 0 || ma1[instrument.ordinal()] == 0) {
ma1[instrument.ordinal()] = ma0;
return;
}
double diff = (ma1[instrument.ordinal()] - ma0) / (instrument.getPipValue());
if (positionsTotal(instrument) == 0) {
if (diff > 1) {
engine.submitOrder(getLabel(instrument), instrument, IEngine.OrderCommand.SELL, 0.001, 0, 0, tick.getAsk()
+ instrument.getPipValue() * 10, tick.getAsk() - instrument.getPipValue() * 15);
}
if (diff < -1) {
engine.submitOrder(getLabel(instrument), instrument, IEngine.OrderCommand.BUY, 0.001, 0, 0, tick.getBid()
- instrument.getPipValue() * 10, tick.getBid() + instrument.getPipValue() * 15);
}
}
ma1[instrument.ordinal()] = ma0;
*/
}
public void sendOrder(Instrument instrument, ITick tick, int random) throws JFException {
if (engine.getOrders(instrument).size() > 0) return;
//console.getOut().println(random);
if (random > 50) {
engine.submitOrder(getLabel(instrument), instrument, IEngine.OrderCommand.BUY, 0.001, 0, 0, tick.getBid()
- instrument.getPipValue() * 1, tick.getAsk() + instrument.getPipValue() * 1);
} else {
engine.submitOrder(getLabel(instrument), instrument, IEngine.OrderCommand.SELL, 0.001, 0, 0, tick.getAsk()
+ instrument.getPipValue() * 1, tick.getAsk() - instrument.getPipValue() * 1);
}
}
public void onBar(Instrument instrument, Period period, IBar askBar, IBar bidBar) {
}
//count open positions
protected int positionsTotal(Instrument instrument) throws JFException {
int counter = 0;
for (IOrder order : engine.getOrders(instrument)) {
if (order.getState() == IOrder.State.FILLED) {
counter++;
}
}
return counter;
}
protected String getLabel(Instrument instrument) {
String label = instrument.name();
label = label.substring(0, 2) + label.substring(3, 5);
label = label + (tagCounter++);
label = label.toLowerCase();
return label;
}
public void onMessage(IMessage message) throws JFException {
}
public void onAccount(IAccount account) throws JFException {
}
}
| Attachments: |
26062019_SDK_test_errors.png [202.06 KiB]
Downloaded 246 times
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goose_
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| Post subject: Re: How to disable log4j outputs from SDK JForex |
Post rating: 0
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Posted: Thu 27 Jun, 2019, 00:11
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User rating: 2
Joined: Fri 06 Apr, 2018, 17:06
Posts: 23
Location: Poland,
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Ok. Probably I was looking in the wrong place. I did not know commands like "tail" or "tee" until now. I used this command and it works. No logs in console after start strategy, because they are written to output.text file. And then CTRL + Z, and BG, and process works in background and save to this file... java -jar JDK_simpledemostrategy.jar > output.txt 2>&1 & https://www.devdungeon.com/content/standard-input-output-and-error-javaOk, Problem solved  ---------------- btw. This is very interesting, heh. When this strategy from example in the previous post running on VPS, and I watch in JForex desktop version on my computer, how this strategy open order by 1 pips up/down with SL and TP. But I don't wait to this moment when price hit tp or sl, only I'd close order manualy, and this program interprets that there is no position again and opens another one. What I want to say... This strategy running on another computer than my, as protector for me or something like that. Heh, I learned something new right now  Thanks.
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