Can someone give me pointers on below. I tought the child class level (trace) should override the root class level (warn), but I only see the warn and above logs.
I tought the child class level (trace) should override the root class level (warn). but I only see the warn and above logs.
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="warn" monitorInterval="30">
<Appenders>
<Console name="StdOut" target="SYSTEM_OUT">
<PatternLayout pattern="[%-5level] %msg%n" />
</Console>
<File name="FileAppender" filename="LogOutput.log">
<PatternLayout
pattern="%d{dd MMM yyyy HH:mm:ss} [%t] %-5level %logger{36} - %msg%n" />
</File>
</Appenders>
<Loggers>
<Root level="warn">
<AppenderRef ref="FileAppender" />
</Root>
<!-- Uncomment the Logger definition below to have ONLY warn-level messages
and above be directed to the console -->
<Logger name="com.fdmgroup.logging.Demo" >
<AppenderRef ref="StdOut" level="trace"/>
</Logger>
<Logger name="com.fdmgroup.exercise.Runner" >
<AppenderRef ref="StdOut" level="trace"/>
<AppenderRef ref="FileAppender" level="trace"/>
</Logger>
</Loggers>
</Configuration>
You didn't set a TRACE threshold on the logger, but on the appender reference. Hence your "com.fdmgroup.logging.Demo" logger has a:
WARN threshold for the logger (inherited from the root logger),
a TRACE threshold for the "StdOut" appender,
no threshold for the "FileAppender" inherited from the root logger (the default value for additivity is `true).
A message is logged only if it not rejected by filter on the logger and the appender, hence only WARN messages are logged.
You probably wanted to set the level for loggers, not appender refs:
<Loggers>
<Root level="WARN">
<AppenderRef ref="FileAppender" />
</Root>
<Logger name="com.fdmgroup.logging.Demo" additivity="false" level="TRACE">
<AppenderRef ref="StdOut"/>
</Logger>
<Logger name="com.fdmgroup.exercise.Runner" level="TRACE">
<AppenderRef ref="StdOut"/>
</Logger>
</Loggers>
Related
According to log4j documentation, if I define a logger config for package com.a.b.c with level ERROR with root logger level set to DEBUG, only ERROR logs should come from classes in com.a.b.c while other classes should print DEBUG logs. Therefore I have the below log4j2-test.xml.
However, in my case INFO level logs from classes in com.a.b.c are still being printed. Did I misunderstand anything? What should I do to make classes in com.a.b.c print ERROR logs while all other classes print INFO logs?
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="debug" name="PropertiesConfig" packages="org.apache.logging.log4j.test">
<Properties>
<Property name="basePath">target/</Property>
</Properties>
<ThresholdFilter level="trace"/>
<Appenders>
<Console name="consoleLogger" target="SYSTEM_OUT">
<PatternLayout pattern="%d{dd-MM-yyyy HH:mm:ss.SSS} %style{[%t]}{magenta} %highlight{%-5level}{TRACE=cyan, DEBUG=green, INFO=yellow, WARN=blue, ERROR=red} [%-60.60c] : %m%n" />
</Console>
<File name="fileLogger" fileName="${basePath}app.log">
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} %level [%t] [%c] [%M] [%l] : %msg%n" />
</File>
</Appenders>
<Loggers>
<Root level="INFO" >
<AppenderRef ref="consoleLogger" />
<AppenderRef ref="fileLogger" />
</Root>
<Logger name="com.a.b.c" level="ERROR" additivity="false">
<AppenderRef ref="consoleLogger" />
<AppenderRef ref="fileLogger" />
</Logger>
</Loggers>
</Configuration>
I figured this out. The class in question is (weirdly) not using its own class name when getting the logger. Typically it is LoggerFactory.getLogger(com.a.b.c) but in my case the class is doing LoggerFactory.getLogger(java.io.Console), thus our logger config <Logger name="com.a.b.c" level="ERROR" additivity="false"> will not apply to logs coming from this class. I had to add a logger config for the class java.io.Console.
I'm attempting to programmatically override the levels of my log4j2 loggers on the fly, but it doesn't seem to be working. Can anyone point out what I might be doing wrong? This is the code that I am currently using to attempt to reset the levels.
final static Level REQUEST = Level.forName("REQUEST", 450);
errorLog.info("Showing Requests in logs");
LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
Configuration config = ctx.getConfiguration();
LoggerConfig loggerConfig = config.getLoggerConfig("console");
loggerConfig.setLevel(REQUEST);
LoggerConfig loggerConfigFile = config.getLoggerConfig("file-log");
loggerConfigFile.setLevel(REQUEST);
ctx.updateLoggers();
My configuration file is as follows:
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="warn">
<Properties>
<Property name="log-path">logs</Property>
</Properties>
<Appenders>
<RollingFile name="file-log" fileName="${log-path}/DataAdapter.log"
filePattern="${log-path}/DataAdapter-%d{yyyy-MM-dd}.log">
<PatternLayout>
<pattern>[%-5level] %d{MM-dd-yyyy HH:mm:ss} [%t] %c{1} - %msg%n</pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true"/>
</Policies>
</RollingFile>
<Console name="console" target="SYSTEM_OUT">
<PatternLayout pattern="[%-5level] %d{MM-dd-yyyy HH:mm:ss} %c{1} - %msg%n"/>
</Console>
</Appenders>
<Loggers>
<Logger name="joy.com.DataAdapter" level="trace" additivity="false">
<appender-ref ref="file-log" level="info"/>
</Logger>
<Root level="trace" additivity="false">
<appender-ref ref="console" level="info"/>
<appender-ref ref="file-log" level="info"/>
</Root>
</Loggers>
</Configuration>
I finally figured it out. Having the level="" in each appender-ref
<Root level="trace" additivity="false">
<appender-ref ref="console" level="info"/>
<appender-ref ref="file-log" level="info"/>
</Root>
was overriding my programmatic settings. Removing them allowed me to set the level from the code.
<Root level="info" additivity="false">
<appender-ref ref="console"/>
<appender-ref ref="file-log"/>
</Root>
I have a java web app with log4j2.xml
I need to have a different level for each package
for example:
com.myexample.firstmodule.* this should be with INFO level
com.myexample.secondmodule.* this should be with TRACE level
I found some answers telling how to do that in .propreties file, but I couldn't understand how to do it with .xml
Anyone can help with that, please?
Thanks in advance
The log4j website contains detailed information about how to do this, but here's the basic example of an xml configuration they give:
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</Console>
</Appenders>
<Loggers>
<Logger name="com.foo.Bar" level="trace">
<AppenderRef ref="Console"/>
</Logger>
<Root level="error">
<AppenderRef ref="Console"/>
</Root>
</Loggers>
</Configuration>
As you can see, the Loggers section can contain a Logger tag, in which you can define the level for any package you want.
Try this
<logger name="com.myexample.firstmodule" level="INFO" additivity="false">
<appender-ref ref="STDOUT" />
<appender-ref ref="FILE-AUDIT" />
</logger>
<logger name="com.myexample.secondmodule" level="TRACE" additivity="false">
<appender-ref ref="STDOUT" />
<appender-ref ref="FILE-AUDIT" />
</logger>
in my config STDOUT stands for console logger and FILE-AUDIT for file logger.
My log4j2.xml is as follows :
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Async name="ASYNC">
<AppenderRef ref="R"/>
</Async>
<RollingFile name="R" fileName="${sys:catalina.home}/logs/myServer.log" filePattern="${sys:catalina.home}/logs/myServer.log.%d{yyyy-MM-dd}">
<PatternLayout pattern="%d %-5p [%t] %C{2} - %m%n"/>
<Policies>
<TimeBasedTriggeringPolicy/>
</Policies>
</RollingFile>
</Appenders>
<Loggers>
<Logger name="com.ps" level="WARN" additivity="false">
<AppenderRef ref="ASYNC"/>
</Logger>
<Root level="WARN">
<AppenderRef ref="ASYNC"/>
</Root>
</Loggers>
</Configuration>
This configuration only creates myServer.log file and does not roll file also does not write logs into it.
Log file is created with permissions :
ls -ltr my*
-rw-------. 1 root root 0 Feb 14 18:15 myServer.log
What I am doing wrong?
You should add reference to your Rolling file Appender to get logs written in your File.
<Root level="WARN">
<AppenderRef ref="ASYNC"/>
<AppenderRef ref="R"/>
</Root>
More information on configuring log4j2 can be found here
Add <AppenderRef ref="R"/> as well under <Root level="WARN"> tag and try again.
I have seen a lot of posts about duplicate entries on log using log4j2. The solution seems to be add the additivity attribute and set it to false, but it seems is not working for me.
Here's my log4j2.xml
<Configuration status="DEBUG">
<Appenders>
<Console name="Console" target="SYSTEM_OUT" additivity="false">
<PatternLayout pattern="%d{dd-MM-yyyy HH:mm:ss} [%t] %-5level %logger{36} - %msg%n" />
</Console>
<File name="File" fileName="C:\Laguna\Logs\Laguna.log">
<PatternLayout pattern="%d{dd-MM-yyy HH:mm:ss} [%t] %-5level %logger{36} - %msg%n"/>
</File>
</Appenders>
<Loggers>
<Root level="off">
<AppenderRef ref="Console"/>
<AppenderRef ref="File"/>
</Root>
<Logger name="br.com.flutuante.laguna" level="trace" additivity="false">
<AppenderRef ref="Console"/>
<AppenderRef ref="File"/>
</Logger>
</Loggers>
</Configuration>
I'm having duplicate logs in both console and file logs.
I have tried add additivity="false" everywhere and even removed ROOT entry but can't get it right.
Can anyone help me?
Maybe i'm coding the class wrong?
I'm doing this to get the logger object...
static final org.apache.logging.log4j.Logger logger = LogManager.getLogger(Laguna.class.getName());
and using it like this...
logger.info("Arquivo de configuração carregado");
It might be because you are missing a Root logger, try adding one with level="OFF" if you don't want any other logs.
Edit: Not sure if this is what you want, it should turn off all logging except the specified loggers:
<Logger name="br.com.flutuante.laguna" level="trace"/>
<Root level="off">
<AppenderRef ref="Console"/>
<AppenderRef ref="File"/>
</Root>
or just change the level in Root to set a default logging level while setting the specified logger to trace