마크 서버 개설중 오류

게시물 수정 , 삭제는 로그인 필요

java.lang.IllegalStateException: Failed to bind to port

at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:268)

at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1131)

at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319)

at java.base/java.lang.Thread.run(Thread.java:833)

Caused by: java.net.BindException: Address already in use: bind

at java.base/sun.nio.ch.Net.bind0(Native Method)

at java.base/sun.nio.ch.Net.bind(Net.java:555)

at java.base/sun.nio.ch.ServerSocketChannelImpl.netBind(ServerSocketChannelImpl.java:337)

at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:294)

at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:141)

at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:562)

at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1334)

at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:600)

at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:579)

at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:973)

at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:260)

at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:356)

at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)

at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)

at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)

at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569)

at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)

at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)

... 1 more

복붙 하니까 이상하네요,, 포트 충돌이라는데 뭐가 충돌인지 모르겠어요