Launcher not connecting to server need help

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oneeedkitty

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Jul 29, 2019
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FTBLaunch starting up (version 1.2.2)
AnalyticsBackgroundThread started
Java version: 1.7.0_17
Java vendor: Oracle Corporation
Java home: C:\Program Files (x86)\Java\jre7
Java specification: Java Virtual Machine Specification version: 1.7 by Oracle Corporation
Java vm: Java HotSpot(TM) Client VM version: 23.7-b01 by Oracle Corporation
OS: x86 Windows 7 6.1
Invalid argument: connect: java.net.SocketException: Invalid argument: connect
Error making tracking request: java.net.SocketException: Invalid argument: connect
[i18n] Checking for updates ...
[i18n] enUS English language file loaded!
[i18n] Could not retrieve version info, skipping update.: java.net.SocketException: Invalid argument: connect
[i18n] Added 0 enUS to options pane
[i18n] enUS English language file loaded!
Invalid argument: connect: java.net.SocketException: Invalid argument: connect
Failed to load modpacks, loading from backup: java.net.SocketException: Invalid argument: connect
Loading modpack information for modpacks.xml...
Invalid argument: connect: java.net.SocketException: Invalid argument: connect
Adding pack 1
Adding pack 2
Adding pack 3
Adding pack 4
Adding pack 5
Adding pack 6
Adding pack 7
Adding pack 8
Failed to save settings: java.io.FileNotFoundException: C:\Users\One Eyed Kitty\AppData\Roaming\ftblauncher\ftblaunch.cfg (The requested operation cannot be performed on a file with a user-mapped section open)
loading map information...
loading texture pack information...
Invalid argument: connect: java.net.SocketException: Invalid argument: connect
Invalid argument: connect: java.net.SocketException: Invalid argument: connect
Logging in...
IOException, minecraft servers might be down. Check @ help.mojang.com
Login failed:
Invalid argument: connect: java.net.SocketException: Invalid argument: connect


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Nerixel

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Jul 29, 2019
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Are you certain you're connected to the internet?

In the future, post your error log to pastebin.com, it makes it easier to read. And not coloured.
 

Nerixel

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Jul 29, 2019
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Go into Options, click on Advanced Options. Try using a couple of different servers to see if it's a server issue.
 

oneeedkitty

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Jul 29, 2019
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Just tried launching regular minecraft and thats not working either, is it a java issue?, i havent played in a couple months but have the most current version of java installed
 

Nerixel

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Jul 29, 2019
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You should double-check there isn't a problem with your network or firewall/AV.

Something (I doubt this has happened) that could have done this is your ISP blocking the port that FTB's using. It's a rare occurence, but it can happen.
 

joaopms

New Member
Jul 29, 2019
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I don't know if this would work and I never tested it, but go to Options -> Advanced Options and on Additional Java Parameters you should put:
Code:
-Djava.net.preferIPv4Stack=true
Let me know if that works!
 

oneeedkitty

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Jul 29, 2019
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turns out if u downgrade to java 6 it works again, ty for your guys help and thats the fix. Java 6>java 7
 

Joolaven

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Jul 29, 2019
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turns out if u downgrade to java 6 it works again, ty for your guys help and thats the fix. Java 6>java 7

Have you tried to play on a server after you downgraded to java 6.....
I tried to do that to but FTB crashed when i tried to connect to the server...
It works fine for single player but no multiplayer...
 
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