I am using log4j to do some logging on one of my applications. The Loggers in my config are looking like this. <Root level="info"> <AppenderRef ref="Console"/> </Root> <Logg...

I want to load Log4j2 XML configuration file programmatically from my application. Tried this: ConfigurationSource source = new ConfigurationSource(); source.setLocation(logConfigurationFile); Co...

I am customising log4j2.properties to generate log file in desired location. While doing that I am getting the following error. My log4j2.priperties file status = debug name= properties_configura...

Is there any way to specify Log4J 2.x log4j2.xml file location manually (like DOMConfigurator in Log4J 1.x), without messing with classpath and system properties?

$ java -Dlog4j.configuration=file:///path/to/your/log4j2.xml -jar /path/to/your/jar_file.jar Written to the console, you get ERROR StatusLogger No log4j2 configuration file found. Using default ...

I am using log4j2 the jar files are following: log4j-api-2.14.0.jar log4j-core-2.14.0.jar log4j-slf4j-impl-2.14.0.jar Executing the following line: LogManager.getLogger("com.foo.Bar1"); u...

I am using Apache POI 5.2.2 in my application. Apache POI is using log4j2 as it's internal logging mechanism for debugging. As a result log4j-api-2.17.2.jar is a required dependency. I should note ...

I'm migrating log4j 1.2.8 to log4j 2.3. Everything works fine, beside that I'm not finding any any alternative for the PropertyConfigurator. Is there another class to take care of what the Propert...

I am trying to use log4j2 instead of logback in my spring application but it keep throwing error. The pom file looks like <parent> <groupId>org.springframework.boot</groupId> ...

I'm starting to work a docker elasticsearch 5.0.1 instance following the official instructions detailed at: https://www.elastic.co/guide/en/elasticsearch/reference/5.0/settings.html in order to c...

I am trying to use the new RoutingAppender of Log4j2 to route the different logs based on the MDC (ThreadContext in Log4j2). What I want to do is the following: If MDC map has $contextId -> Appen...

I am running a Java application in which I am invoking multiple threads, each with some unique names. Now I want to create multiple log files for each of them and the name of the log files should b...

As in log4j we have an option to set a default value against an MDC key like this - mdc{key:-defaultVal} Do we have something similar in log4j 2 ?

I am trying to migrate a class that extends org.apache.log4j.AppenderSkeleton from an old version of log4j to log4j 2. I was reading the JavaDoc for the class, and I read that, Appenders constr...

I trying to add log4j2 to spring boot project but it is giving below error. ERROR StatusLogger Log4j2 could not find a logging implementation. Please add log4j-core to the classpath. Using SimpleLo...

I use shadowJar I use log4j2 and I need to log everything in json format. But once I add 'org.apache.logging.log4j:log4j-layout-template-json:2.17.1' into build.gradle file I'm getting this errors:...

I'm using log4j2 in my application. What I want is everything up to 'debug' to go to console, everything up to 'info' to go to myapp.log, and ONLY 'info' to go to 'myapp-audit.log'. The reason is...

We are using spring boot 2.1.5 and starter parent as pom dependency. Spring boot is using default logback for logging and we haven't explicitly switched to Log4j2 or changes any configurations. Bel...

As soon as an exception/error occurs and is supposed to be logged, I get the following error/stack trace: org.apache.logging.log4j.core.appender.AppenderLoggingException: java.lang.NoSuchMethodErro...

I am trying to configure tomcat 7 internal logging with log4j2. I have followed the answer provided at Logging server classes in Tomcat 6 with log4j2. I am using tomcat 7.0.54, and log4j-core-2.1....

I'm trying to figure out how I can add an appender to a logger dependent on whether a java system property is given / set. So let's say I have a basic configuration like this: <Logger name="my...

Lately I decided to learn how to use the log4j2 logger. I downloaded required jar files, created library, xml comfiguration file and tried to use it. Unfortunately i get this statement in console (...

I have developed a custom rolling file appender and it works fine. the only problem is that it's getting re-initialized each time I restart the server or change the log4j2.xml file(any part of the ...

My log4j2 log file always has double output of each line. How can I stop the duplication please? <?xml version="1.0" encoding="UTF-8"?> <Configuration status="WARN...

I've tried to change the config file to like below but still, the output is plain white. How can I change it to any color? Like different color for each level. Code: import org.apache.log4j.*; p...