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How to stop log4j DEBUG outputting
http://www.dukascopy.com/swiss/english/forex/jforex/forum/viewtopic.php?f=65&t=49259		 Page 1 of 1
Author:  davydai [ Sun 19 May, 2013, 16:34 ]
Post subject:  How to stop log4j DEBUG outputting
The outputting in debug.log:
2013-05-19 23:27:18.451 DEBUG com.dukascopy.transport.client.ClientConnector - [d-ja-jpn-04-a.dukascopy.com/54.249.1.145:443] doHandshake()
...
2013-05-19 23:27:18.451 DEBUG com.dukascopy.transport.common.mina.ssl.DDSTrustManager - Checking server is trusted for certificates chain:
...
2013-05-19 23:27:21.872 DEBUG com.dukascopy.transport.client.ClientProtocolHandler - RECEIVE : {"list_response":[{"a":"0.000374,0.0","b":"0.000373,0.0","i":"BRL/XAU","type":"c
....

The configure in log4j.properties:
log4j.rootLogger=INFO, systemOut, file, warnErrorFile

#Filter for dukascopy logs
log4j.category.com.dukascopy=ERROR
#Filter for dukascopy transport logs
log4j.category.com.dukascopy.transport.client=ERROR
com.dukascopy.transport.client.ClientConnector=ERROR
com.dukascopy.transport.client.ClientProtocolHandler=ERROR
#Filter for mina logs
log4j.category.org.apache.mina=ERROR

#Output only INFO logs to console
log4j.appender.systemOut=org.apache.log4j.ConsoleAppender
log4j.appender.systemOut.Threshold=INFO
log4j.appender.systemOut.layout=org.apache.log4j.PatternLayout
log4j.appender.systemOut.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss.SSS} %-5p %c{1} - %m%n

#File with all the debug
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.Threshold=DEBUG
log4j.appender.file.Append=true
log4j.appender.file.Encoding=UTF-8
log4j.appender.file.File=./logs/debug.log
log4j.appender.file.MaxBackupIndex=5
log4j.appender.file.MaxFileSize=10MBS
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss.SSS} %-5p %c - %m%n

#File with warnings and errors only
log4j.appender.warnErrorFile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.warnErrorFile.Threshold=WARN
log4j.appender.warnErrorFile.Append=true
log4j.appender.warnErrorFile.Encoding=UTF-8
log4j.appender.warnErrorFile.File=./logs/WarnError.log
log4j.appender.warnErrorFile.layout=org.apache.log4j.PatternLayout
log4j.appender.warnErrorFile.layout.ConversionPattern=%d{HH:mm:ss.SSS} %-5p %c - %m%n
Author:  API Support [ Mon 20 May, 2013, 16:11 ]
Post subject:  Re: How to stop log4j DEBUG outputting
Make sure you have the configuration file in your build classpath. This is the case for the latest JForex-SDK versions see:
https://www.dukascopy.com/wiki/#Use_in_Eclipse
https://www.dukascopy.com/wiki/#Use_in_NetBeans
Author:  tcsabina [ Fri 31 May, 2013, 11:51 ]
Post subject:  Re: How to stop log4j DEBUG outputting
Just to extend my knowledge, what is wrong here? The debug.log`s threshold is set to DEBUG, and we can see DEBUG messages in the log.
Author:  API Support [ Fri 31 May, 2013, 12:19 ]
Post subject:  Re: How to stop log4j DEBUG outputting
tcsabina wrote:
Just to extend my knowledge, what is wrong here?
If you don't want to see the logs and change the levels to ERROR, in order your settings to get applied they have to be contained in the project's classpath. This is ensured when you use the JForex-SDK maven project, which is available in links given above.
Author:  scotpip [ Tue 26 Jul, 2016, 14:55 ]
Post subject:  Re: How to stop log4j DEBUG outputting
If you want to change the log level for the whole app at runtime, I've found that this works. Not very intuitive, so hope that someone finds it useful.

import org.apache.log4j.Category;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;

import java.util.Enumeration;


public class LoggingUtils {

    public static void setLevel(Level level){

        Logger root = Logger.getRootLogger();
        Enumeration allLoggers = root.getLoggerRepository().getCurrentCategories();

        root.setLevel(level);

        while (allLoggers.hasMoreElements()){
            Category tmpLogger = (Category) allLoggers.nextElement();
            tmpLogger .setLevel(level);
        }
    }
}
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