perf4j/perf4j — pull request #11 by javabrett (2011-11-16 10:32:22+00:00)
Title: PERFFORJ-47 : Make sure shutdown hook is removed on log4j shutdown.

Previously, each log4j reconfiguration would result in an additional
shutdown hook, and memory leaks e.g. in a servlet application where
contexts are reloaded. We now remove the shutdown hook when it is no
longer required.