How to use

preClose

method

in

org.eclipse.jetty.util.WebAppLoaderFix

public static void checkAndClose(ClassLoader classLoader)
{
  if (!isWindows() || !(classLoader instanceof URLClassLoader))
  {
    return;
  }
  HashSet<String> leakedJarNames = preClose((URLClassLoader)classLoader);
  cleanupJarFileFactory(leakedJarNames);
}