Please read this thoroughly. While there have been similar issues in the past, I have ruled out all the answers for them. I've already contacted support, and they were unable to resolve the issue.
I will list the technical details and attempted fixes exhaustively below. Again, please review this thoroughly before closing. Even if it is a duplicate (although I already searched for duplicates), the technical detail below may make this useful.
I am on an up-to-date Ubuntu computer, and I'm trying to connect to public Minecraft servers (I don't host or control them). Exact system and game version numbers are above. I am willing to send the exact versions of anything else related.
Every time I try to connect to any Multiplayer server, I get the following error message:
Failed to connect to the server. Failed to log in: The authentication servers are currently down for maintenance.I have already followed your Troubleshooting guide and multiple other references online, and have ruled out all of the following:
I have logged out of my Minecraft account on the launcher, and logged back in (three times).
I have uninstalled and reinstalled from the .deb (twice), completely removing the ".minecraft" folder both times.
I have updated my computer, including graphics drivers.
I have restarted my computer.
I have confirmed my firewall is disabled; it was disabled before the last install of Minecraft. I have no antivirus software on the system.
I have confirmed no software is running on my system which could block a connection.
I have confirmed that your authentication servers are currently up (via status on help.mojang.com).
I have confirmed the problem on both wireless and wired (ethernet) connections to the router.
I have restarted my router.
I have confirmed that I can connect to 'authserver.mojang.com' via my web browser on this machine.
I have confirmed no packet loss on connection to 'authserver.mojang.com' via the terminal command
ping -c 100 authserver.mojang.comResults: 100 packets transmitted, 100 received, 0% packet loss, time 99133ms, rtt min/avg/max/mdev = 17.092/48.364/230.986/31.455 ms
I have confirmed that I can connect to the server on another Ubuntu 18.04.1 computer on the same internet connection. (It runs the old launcher, see note below).
I have confirmed that others are NOT having problems connecting to the server on different machines and networks.
I have tried to connect to another server, which currently has several dozen active players, and had the same error.
I have not had problems running Minecraft on this computer before 27 July 2018. As of 25 July 2018, I COULD connect from the old launcher on this machine, installed via Snapcraft. That updated today automatically, and I had the above problem. I uninstalled and reinstalled the Snapcraft version, before uninstalling it and installing from the .deb on your website.
This problem persists even now (09 August 2018).
I am a professional IT and programmer with extensive Linux and debugging experience. I am available to perform any tests necessary on the affected machine, even highly technical ones.
Comments 4
Standard, legit Multiplayer servers only. Nothing cracked, ever.
As to the connection, I can rule that out entirely:
The computer is connected via a good quality ethernet cable directly to the router. This same connection is used often for HD video chat and live video webcasting, with no disruptions or difficulties.
I've also tested the computer and Minecraft on the wi-fi connection instead of ethernet, with the same results.
The router has no packet loss, and full, steady connectivity with no speed drops.
The other computer, which can connect to Multiplayer games (old launcher, remember?) is on the same internet connection, connected to the same router.
The internet speed is always upwards of 70Mbps downstream, 15Mbps upstream on wireless, and upwards of 100Mbps downstream, 17Mbps upstream on wired.
Recall the stats on the ping from that computer to authserver.mojang.com: 100 packets transmitted, 100 received, 0% packet loss, time 99133ms, rtt min/avg/max/mdev = 17.092/48.364/230.986/31.455 ms
In case it matters, this particular machine isn't a low-end used build. It's actually a high-end, custom built desktop computer, primarily purchased for the purpose of professional 3D graphics and video rendering. However, the standard open source graphics drivers are all that are used; no specialty drivers needed.
(Also, it plays Singleplayer Minecraft with no difficulties.)
We do not have enough information to find the cause of this issue.
After having this issue, please attach the full launcher log file found in [.minecraft/launcher_log.txt|http://hopper.minecraft.net/help/guides/minecraft-logs/] here.
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Maybe you have just a bad connection.
But you mean premium servers? Or cracked servers?