4.0.0 se.jiderhamn.classloader-leak-prevention classloader-leak-prevention-parent 2.7.0 classloader-leak-prevention-servlet jar ClassLoader Leak Prevention library for servlet environments ServletContextListener that prevents ClassLoader leaks / java.lang.OutOfMemoryError: PermGen space https://github.com/mjiderhamn/classloader-leak-prevention se.jiderhamn.classloader-leak-prevention classloader-leak-prevention-core ${project.parent.version} javax.servlet servlet-api 2.5 provided