synchronized (newReplies) {
for (Reply reply : sone.getReplies()) {
if (!storedSone.getReplies().contains(reply) && !knownReplies.contains(reply.getId())) {
synchronized (newReplies) {
for (Reply reply : sone.getReplies()) {
if (!storedSone.getReplies().contains(reply) && !knownReplies.contains(reply.getId())) {