Top "Log4j2" questions

LOG4J2: Disable "No log4j2 configuration file found.." print when configuring programmatically

I am not using any XML configuration file, rather I am setting the logger configuration programmatically. The logger works correctly …

java log4j2

how to set loglevel from INFO to ERROR using log4j2 api at runtime?

logger.setLevel() method is not available in log4j2 API. So how to set log level at run time.

java log4j2

PropertyConfigurator in log4j2

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 …

log4j migration log4j2

Log4j2 using {} against using %d or %s

In Log4j2, are both the following equally efficient and do not cause any string concatenation with a log level …

java logging configuration log4j log4j2

Mixing log4j 1.x and log4j 2

I have a new application that is being written using log4j2, to take advantage of some of its new …

java logging log4j log4j2

using slf4j with log4j2

I have been trying log4j2 recently. Now, I would like to test it with slf4j and wondering if …

java logging log4j slf4j log4j2

In log4j 1.2 to log4j 2 migration, what to do with the DailyRollingFileAppender class?

I'm working on migrating a Java project from using log4j 1.2 for logging to using log4j 2. log4j 1.x …

java apache logging log4j log4j2

My log4j2 log file always have double output of each line. How can I stop the duplication please?

My log4j2 log file always has double output of each line. How can I stop the duplication please? <?…

java logging configuration log4j log4j2

How to setup Log4j2 for an application deployed in WildFly 9?

When I test my application with JUnit, it is printing the log as specified by layout pattern in log4j2.…

java wildfly log4j2 wildfly-9

Log4j2 setting log levels

I am using log4j2 as my logging utility in my spring app. I want to set the log level …

java spring logging log4j2 rollingfileappender