carbolemons

For whatever reason, i believe the launcher disables the ability to connect to ipv6 servers in multiplayer, because on any modpack, even technically ones that should support ipv6 dont connect. [B#402] [14:35:19] [Client thread/INFO]: Connecting to 2a02:8108:1340:6a68:4ae:2392:3121:fabe, 25565 (yes, this server is actually running, and OPEN on the ipv6 address) [B#402] [14:35:19] [Server Connector #1/ERROR]: Couldn't connect to server [B#402] java.net.SocketException: Protocol family unavailable [B#402] at sun.nio.ch.Net.connect0(Native Method) ~[?:1.8.0_211] [B#402] at sun.nio.ch.Net.connect(Unknown Source) ~[?:1.8.0_211] [B#402] at sun.nio.ch.Net.connect(Unknown Source) ~[?:1.8.0_211] [B#402] at sun.nio.ch.SocketChannelImpl.connect(Unknown Source) ~[?:1.8.0_211] [B#402] at io.netty.channel.socket.nio.NioSocketChannel.doConnect(NioSocketChannel.java:176) ~[NioSocketChannel.class:?] [B#402] at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.connect(AbstractNioChannel.java:169) ~[AbstractNioChannel$AbstractNioUnsafe.class:?] [B#402] at io.netty.channel.DefaultChannelPipeline$HeadHandler.connect(DefaultChannelPipeline.java:1008) ~[DefaultChannelPipeline$HeadHandler.class:?] [B#402] at io.netty.channel.DefaultChannelHandlerContext.invokeConnect(DefaultChannelHandlerContext.java:494) ~[DefaultChannelHandlerContext.class:?] [B#402] at io.netty.channel.DefaultChannelHandlerContext.connect(DefaultChannelHandlerContext.java:479) ~[DefaultChannelHandlerContext.class:?] [B#402] at io.netty.channel.ChannelOutboundHandlerAdapter.connect(ChannelOutboundHandlerAdapter.java:47) ~[ChannelOutboundHandlerAdapter.class:?] [B#402] at io.netty.channel.DefaultChannelHandlerContext.invokeConnect(DefaultChannelHandlerContext.java:494) ~[DefaultChannelHandlerContext.class:?] [B#402] at io.netty.channel.DefaultChannelHandlerContext.connect(DefaultChannelHandlerContext.java:479) ~[DefaultChannelHandlerContext.class:?] [B#402] at io.netty.channel.ChannelOutboundHandlerAdapter.connect(ChannelOutboundHandlerAdapter.java:47) ~[ChannelOutboundHandlerAdapter.class:?] [B#402] at io.netty.channel.DefaultChannelHandlerContext.invokeConnect(DefaultChannelHandlerContext.java:494) ~[DefaultChannelHandlerContext.class:?] [B#402] at io.netty.channel.DefaultChannelHandlerContext.connect(DefaultChannelHandlerContext.java:479) ~[DefaultChannelHandlerContext.class:?] [B#402] at io.netty.channel.DefaultChannelHandlerContext.connect(DefaultChannelHandlerContext.java:464) ~[DefaultChannelHandlerContext.class:?] [B#402] at io.netty.channel.DefaultChannelPipeline.connect(DefaultChannelPipeline.java:847) ~[DefaultChannelPipeline.class:?] [B#402] at io.netty.channel.AbstractChannel.connect(AbstractChannel.java:198) ~[AbstractChannel.class:?] [B#402] at io.netty.bootstrap.Bootstrap$2.run(Bootstrap.java:187) ~[Bootstrap$2.class:?] [B#402] at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:354) ~[SingleThreadEventExecutor.class:?] [B#402] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:348) ~[NioEventLoop.class:?] [B#402] at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101) ~[SingleThreadEventExecutor$2.class:?] [B#402] at java.lang.Thread.run(Unknown Source) ~[?:1.8.0_211] it SHOULD be able to connect, and i have made it work outside of the launcher on the version i am playing, with its version of forge, but for some reason always with the technic launcher, it doesnt work