Failed to send event to MongoDB, retrying in 3 seconds {:event=>#<LogStash::Event:0x115d2456>, :exception=>#<Mongo::Error::NoServerAvailable: No server is available matching preference: #<Mongo::ServerSelector::Primary:0x101bcedd @tag_sets=[], @server_selection_timeout=30, @options={:database=>"Logs", :user=>"username", :password=>"passwd"}>>} about logstash-output-mongodb

[phuongdo]

same with the problem with me, current version 3.1.7 does not support mongo alias mongodb+srv: