SLF4J

SLF4J allows a Java app to quickly be integrated with most logging frameworks around.

It sits between the app and the logging utility allowing easy interaction and logging of various messages.

What is new in this release:

• The logger factories in most SLF4J modules namely in jcl-over-slf4j, log4j-over-slf4j, slf4j-jcl, slf4j-jdk14, slf4j-log4j12, and slf4j-simple now use a ConcurrentHashMap instead of a regular HashMap to cache logger instances.

What is new in version 1.7.12:

• The logger factories in most SLF4J modules namely in jcl-over-slf4j, log4j-over-slf4j, slf4j-jcl, slf4j-jdk14, slf4j-log4j12, and slf4j-simple now use a ConcurrentHashMap instead of a regular HashMap to cache logger instances.

What is new in version 1.7.10:

• The logger factories in most SLF4J modules namely in jcl-over-slf4j, log4j-over-slf4j, slf4j-jcl, slf4j-jdk14, slf4j-log4j12, and slf4j-simple now use a ConcurrentHashMap instead of a regular HashMap to cache logger instances.

What is new in version 1.7.2:

• Added osgi-over-slf4j module which serves as an OSGi LogService implementation delegating to slf4j.

What is new in version 1.7.1:

• SimpleLogger now supports writing to a file.
• More configuration options have been added.

Requirements:

• JDK 1.5 or higher