This website highlights the most popular Java logging frameworks, tools and tutorials. If you are
looking for a Java logging tool or if you want to learn more about Java logging in general, you found the right
place! Please see below for popular tools, frameworks, articles and web links. Also make sure to take a look at the
Java Logging Comparison and Concepts & Features pages with
explanations of the basic features of logging tools and libraries.
Table of Contents
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What's Java logging and tracing anyway?
Logging and tracing refers to automatically recording events and data structures about a software program's execution
to provide an audit trail. Developers, testers and support personal are using the recorded information and data
to identify software problems, to monitor live systems, for auditing purposes and post-deployment debugging.
Logging usually involves sending data to monitoring applications or writing text messages to files. Modern tracing tools
also support logging of call stacks, threading behavior, complex data structures and include support for monitoring
application data on a local machine and over a network
Java logging frameworks and tools
Commons Logging
Commons Logging is a bridge between different logging implementations. Libraries that use the commons-logging
API can be used with any logging implementation at runtime.
Craftsman Spy
Craftsman Spy is an open source and free framework for JDBC logging that features its
own JDBC driver implementation.
Houston
Houston is a lightweight logging toolkit for Java offering a plug-in architecture to
choose the underlying logging toolkit such as log4j.
jLo
jLo is a logging framework for Java that supports different logging levels, targets
and channels.
JMyra
This tool is a Java monitoring system that allows you to control and supervise Java
applications with the main focus on the logging subsystem.
JTraceDump
JTraceDump provides a facility to keep a history of application processing steps in memory
and dump or log it in case of an error.
Just4log
Just4Log is a library to enhance dynamically the performance of various logging systems
inside a java application
Limpid Log
Limpid Log is a logging framework for debugging that can be used without writing
any log statements.
Log4j
Log4j is a Java logging framework that supports logging to files, OutputStreams, io.Writer and other
targets and allows the configuration via config files.
Logback
Logback is intended to be the successor of log4j. It was developed by the original log4j
developer and features a lightweight architecture.
Logging Toolkit
A tool that improves the reliability of Java applets and applications with its message logging
and tracing capabilities.
Monolog
Monolog is the logging API for the ObjectWeb project. Monolog supports multiple log levels,
application monitoring and contains special features for internationalization.
ObjectGuy Framework
ObjectGuy Logging Framework for Java supports logging to the system Console, a file on disk, via TCP/IP
and memory.
Protomatter
Protomatter includes a logging library that supports logging to the standard syslog UNIX daemon.
RP Logging
A simple logging framework for use in web or standalone Java applications written entirely in Java
using the java.io package.
Simple Log
Simple Log is a small and simple logging library and requires you to do almost
nothing (other than actually logging) to get log output happening.
SLF4J
SLF4J is a framework that acts as a simple interface for various other logging libraries allowing
developers to plug in the desired implementation at deployment time.
SmartInspect
SmartInspect is a logging tool for debugging and monitoring Java, .NET and Delphi applications and
includes a unique log file viewer and real-time monitoring application.
TraceTool
TraceTool is a logging library and viewer application for different programming environments,
including Java.
We are also happy to introduce you to our own SmartInspect Java
logging tool. If you are looking for a professionally supported modern logging solution for Java,
you should definitely give SmartInspect
a try. It comes with logging libraries for Java, .NET and Delphi and includes a powerful viewer and monitoring application.
Articles and recommended links
Java Logging Overview
This article explains the basics of Java's built-in logging capabilities and features and shows how to
use this logging API in applications.
Logging in Java Applications
This article explains the general concepts of logging with Java and highlights some of the
key comparison facts when evaluating a logging package.
An Introduction to the Java Logging API
This is an introduction article to the Java logging API that highlights some of the basic features
of the JDK's logging package.
Log4j vs java.util.logging
This article will help you choose a logging API by evaluating two of the most widely used Java logging libraries:
the Apache Group's Log4j and the java.util.logging package (referred to as "JUL").
Implementing Logging as an Aspect Using Spring's AOP Framework
Aspect-oriented programming (AOP) enables you to write functionality and apply it declaratively to existing code.
Logging is a prime candidate for implementation as an aspect, and Spring offers the AOP framework to get it done.
Add logging to your Java applications
Don't reinvent the wheel when adding event logging to your Java apps. Follow these examples,
you can be using the Log4j package to capture your application events.