群聊发送消息send meesage failed-- error: server not reachable.

发送消息失败2015-10-30 11:15:11:267 ChengDuInstituteOfTechnology[1919:607] begin insert message to chatter::122587530037035512, messageId::150b6bdeb23

2015-10-30 11:15:11:267 ChengDuInstituteOfTechnology[1919:607] end insert message with account::13243899808, to chatter::122587530037035512, messageId::150b6bdeb23, result::NO

2015-10-30 11:15:11:267 ChengDuInstituteOfTechnology[1919:6c0b] send meesage failed-- error: server not reachable.

2015-10-30 11:15:11:267 ChengDuInstituteOfTechnology[1919:6c0b] EMChatManager+Chat == asyncSendMessage:progress:::didSendMessage:error: - Server not reachable.