when I using longPoll this fuction to receive data ,always got line server return http 410 status.
I found some suggestion about the issue.(reference http://altrepo.eu/git/line-protocol/issues/1)
when the status happened, we need to change host.
182.92.24.51 gd2w.line.naver.jp
184.50.238.139 dl.profile.line.naver.jp
184.50.238.138 dl.stickershop.line.naver.jp
203.104.142.1 gd2.line.naver.jp
125.209.252.16 gd2g.line.naver.jp
125.209.252.12 gd2i.line.naver.jp
125.209.222.59 gd2k.line.naver.jp
203.104.168.11 gd2s.line.naver.jp
203.104.160.12 gd2u.line.naver.jp