The standard Apache logj4 log levels plus a custom level for SUCCESS. For the full list of these log levels and suggested usage, check the below Details.

TRACE

DEBUG

INFO

SUCCESS

WARN

ERROR

FATAL

Format

An object of class loglevel (inherits from integer) of length 1.

Details

List of supported log levels:

  1. FATAL severe error that will prevent the application from continuing

  2. ERROR An error in the application, possibly recoverable

  3. WARN An event that might possible lead to an error

  4. SUCCESS An explicit success event above the INFO level that you want to log

  5. INFO An event for informational purposes

  6. DEBUG A general debugging event

  7. TRACE A fine-grained debug message, typically capturing the flow through the application.

References

https://logging.apache.org/log4j/2.0/log4j-api/apidocs/org/apache/logging/log4j/Level.html, https://logging.apache.org/log4j/2.x/manual/customloglevels.html