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Logging, a definition
Logging is a low-tech method for debugging applications.
Logging can also be viewed as an
auditing
tool.
Applicability
Debuggers are not always available for multi-threaded or distributed applications.
Advantages
Debugging sessions are
transient
, logging is
persistent
.
Disadvantages
Logging can slow down an application.
Can be hard to locate relevant information for large log outputs, also called
scrolling-blindness
.
GET THE DOCS DIRECTLY FROM THE DEVELOPER
For up to date and detailed log4j documentation directly from the developer please consider
The complete log4j manual
.