ReadFileSystem<Node> classPath = classPathCache.get(Thread.currentThread().getContextClassLoader());
if (classPath == null) {
try {
classPathCache.put(
Thread.currentThread().getContextClassLoader(),
classPath = new URLFileSystem().add(Thread.currentThread().getContextClassLoader(), ClassLoader.getSystemClassLoader().getParent()));
}
catch (Exception e) {
throw AbstractTestCase.failure(e);
}
}