本帖最后由 huangzhanpeng 于 2020-4-17 21:02 编辑

https://bmclapi2.bangbang93.com/ ... log4j-api-2.8.1.jar
https://bmclapi2.bangbang93.com/ ... og4j-core-2.8.1.jar

以上链接直接来自于万能的BMCLAPI

请问你用的是CatServer吗？？

是的

发在哪个文件？

如果这两个文件能下载的话，下好后直接放入服务端的libraries文件夹即可。

哦
但是他要下载很多东西[控制台] 正在启动...
正在下载文件 log4j-core-2.8.1.jar 大小: 1.3379335 MB
正在下载文件 lzma-0.0.1.jar 大小: 5.626953 KB
正在下载文件 maven-artifact-3.5.3.jar 大小: 53.67285 KB
正在下载文件 mysql-connector-java-5.1.45.jar 大小: 976.375 KB
正在下载文件 netty-all-4.1.9.Final.jar 大小: 3.3484392 MB
正在下载文件 oshi-core-1.1.jar 大小: 30.24707 KB
正在下载文件 platform-3.4.0.jar 大小: 892.02734 KB

[控制台] 正在启动...
正在下载文件 scala-compiler-2.11.1.jar 大小: 12.826695 MB
文件 scala-compiler-2.11.1.jar 校验失败, 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-compiler-2.11.1.jar
正在下载文件 scala-compiler-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-compiler-2.11.1.jar
正在下载文件 scala-compiler-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-compiler-2.11.1.jar
正在下载文件 scala-continuations-library_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/ ... rary_2.11-1.0.2.jar
正在下载文件 scala-continuations-library_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl ... rary_2.11-1.0.2.jar
正在下载文件 scala-continuations-library_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scal ... rary_2.11-1.0.2.jar
正在下载文件 scala-continuations-plugin_2.11.1-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/ ... in_2.11.1-1.0.2.jar
正在下载文件 scala-continuations-plugin_2.11.1-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl ... in_2.11.1-1.0.2.jar
正在下载文件 scala-continuations-plugin_2.11.1-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scal ... in_2.11.1-1.0.2.jar
正在下载文件 scala-library-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-library-2.11.1.jar
正在下载文件 scala-library-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-library-2.11.1.jar
正在下载文件 scala-library-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-library-2.11.1.jar
正在下载文件 scala-parser-combinators_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/ ... tors_2.11-1.0.1.jar
正在下载文件 scala-parser-combinators_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl ... tors_2.11-1.0.1.jar
正在下载文件 scala-parser-combinators_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scal ... tors_2.11-1.0.1.jar
正在下载文件 scala-reflect-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-reflect-2.11.1.jar
正在下载文件 scala-reflect-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-reflect-2.11.1.jar
正在下载文件 scala-reflect-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-reflect-2.11.1.jar
正在下载文件 scala-swing_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-swing_2.11-1.0.1.jar
正在下载文件 scala-swing_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-swing_2.11-1.0.1.jar
正在下载文件 scala-swing_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-swing_2.11-1.0.1.jar
正在下载文件 scala-xml_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-xml_2.11-1.0.2.jar
正在下载文件 scala-xml_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-xml_2.11-1.0.2.jar
正在下载文件 scala-xml_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-xml_2.11-1.0.2.jar
Loading libraries, please wait...
[控制台] 服务器已停止

放了也不行
有1.12.2的服务端核心吗？

[控制台] 正在启动...
正在下载文件 scala-compiler-2.11.1.jar 大小: 12.826695 MB
文件 scala-compiler-2.11.1.jar 校验失败, 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-compiler-2.11.1.jar
正在下载文件 scala-compiler-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-compiler-2.11.1.jar
正在下载文件 scala-compiler-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-compiler-2.11.1.jar
正在下载文件 scala-continuations-library_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/ ... rary_2.11-1.0.2.jar
正在下载文件 scala-continuations-library_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl ... rary_2.11-1.0.2.jar
正在下载文件 scala-continuations-library_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scal ... rary_2.11-1.0.2.jar
正在下载文件 scala-continuations-plugin_2.11.1-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/ ... in_2.11.1-1.0.2.jar
正在下载文件 scala-continuations-plugin_2.11.1-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl ... in_2.11.1-1.0.2.jar
正在下载文件 scala-continuations-plugin_2.11.1-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scal ... in_2.11.1-1.0.2.jar
正在下载文件 scala-library-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-library-2.11.1.jar
正在下载文件 scala-library-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-library-2.11.1.jar
正在下载文件 scala-library-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-library-2.11.1.jar
正在下载文件 scala-parser-combinators_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/ ... tors_2.11-1.0.1.jar
正在下载文件 scala-parser-combinators_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl ... tors_2.11-1.0.1.jar
正在下载文件 scala-parser-combinators_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scal ... tors_2.11-1.0.1.jar
正在下载文件 scala-reflect-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-reflect-2.11.1.jar
正在下载文件 scala-reflect-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-reflect-2.11.1.jar
正在下载文件 scala-reflect-2.11.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-reflect-2.11.1.jar
正在下载文件 scala-swing_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-swing_2.11-1.0.1.jar
正在下载文件 scala-swing_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-swing_2.11-1.0.1.jar
正在下载文件 scala-swing_2.11-1.0.1.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-swing_2.11-1.0.1.jar
正在下载文件 scala-xml_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv.catserver.moe), 你也可以手动下载: http://sv.catserver.moe:8001/dl/scala-xml_2.11-1.0.2.jar
正在下载文件 scala-xml_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: sv2.catserver.moe), 你也可以手动下载: http://sv2.catserver.moe:8001/dl/scala-xml_2.11-1.0.2.jar
正在下载文件 scala-xml_2.11-1.0.2.jar 大小: -1 B
下载文件失败(HTTP状态: java.net.UnknownHostException: cdn.catserver.moe), 你也可以手动下载: http://cdn.catserver.moe/dl/scala-xml_2.11-1.0.2.jar
Loading libraries, please wait...
[控制台] 服务器已停止

这个下了也不行

https://www.mcbbs.net/thread-987127-1-1.html

那你试试成品端呢，貌似你连不上catserver的库文件下载服务器

没有提取码

找到了

有我的世界1.7.10殖民物语mod吗？

没有，作者似乎是从1.10.2开始制作的。

另外你这1.12.2的服务器需要1.7.10的Mod？

有关于模拟殖民地的服务端吗？

---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 20-4-17 下午10:06
Description: Exception in server tick loop

java.lang.IllegalStateException: failed to create a child event loop
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88)
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58)
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47)
        at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59)
        at net.minecraft.server.v1_12_R1.ServerConnection$1.a(ServerConnection.java:34)
        at net.minecraft.server.v1_12_R1.ServerConnection$1.init(ServerConnection.java:38)
        at net.minecraft.server.v1_12_R1.LazyInitVar.c(SourceFile:10)
        at net.minecraft.server.v1_12_R1.ServerConnection.a(ServerConnection.java:101)
        at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:194)
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:545)
        at java.lang.Thread.run(Unknown Source)
Caused by: io.netty.channel.ChannelException: failed to open a new selector
        at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175)
        at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:149)
        at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127)
        at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36)
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84)
        ... 13 more
Caused by: java.io.IOException: Unable to establish loopback connection
        at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source)
        at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.nio.ch.PipeImpl.<init>(Unknown Source)
        at sun.nio.ch.SelectorProviderImpl.openPipe(Unknown Source)
        at java.nio.channels.Pipe.open(Unknown Source)
        at sun.nio.ch.WindowsSelectorImpl.<init>(Unknown Source)
        at sun.nio.ch.WindowsSelectorProvider.openSelector(Unknown Source)
        at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:173)
        ... 17 more
Caused by: java.net.ConnectException: Connection timed out: connect
        at sun.nio.ch.Net.connect0(Native Method)
        at sun.nio.ch.Net.connect(Unknown Source)
        at sun.nio.ch.Net.connect(Unknown Source)
        at sun.nio.ch.SocketChannelImpl.connect(Unknown Source)
        at java.nio.channels.SocketChannel.open(Unknown Source)
        at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(Unknown Source)
        ... 26 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
        Minecraft Version: 1.12.2
        Operating System: Windows 7 (amd64) version 6.1
        Java Version: 1.8.0_111, Oracle Corporation
        Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
        Memory: 34839760 bytes (33 MB) / 143654912 bytes (137 MB) up to 4250402816 bytes (4053 MB)
        JVM Flags: 2 total; -Xmn128M -Xmx4096M
        IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
        CraftBukkit Information:
   Running: CraftBukkit version git-Spigot-dcd1643-e60fc34 (MC: 1.12.2) (Implementing API version 1.12.2-R0.1-SNAPSHOT) false
   Plugins: {}
   Warnings: DEFAULT
   Reload Count: 0
   Threads: { TIMED_WAITING Spigot Watchdog Thread: [java.lang.Thread.sleep(Native Method), org.spigotmc.WatchdogThread.run(WatchdogThread.java:92)], RUNNABLE Server console handler: [java.io.FileInputStream.readBytes(Native Method), java.io.FileInputStream.read(Unknown Source), java.io.BufferedInputStream.fill(Unknown Source), java.io.BufferedInputStream.read(Unknown Source), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:248), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readCharacter(ConsoleReader.java:2145), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLineSimple(ConsoleReader.java:3183), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2333), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2269), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2257), net.minecraft.server.v1_12_R1.DedicatedServer$2.run(DedicatedServer.java:87)], TIMED_WAITING Spigot Metrics Thread: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Unknown Source), java.util.TimerThread.run(Unknown Source)], WAITING Thread-3: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(Unknown Source), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source), java.util.concurrent.LinkedBlockingQueue.take(Unknown Source), com.mojang.util.QueueLogAppender.getNextLogEvent(QueueLogAppender.java:77), org.bukkit.craftbukkit.v1_12_R1.util.TerminalConsoleWriterThread.run(TerminalConsoleWriterThread.java:27), java.lang.Thread.run(Unknown Source)], RUNNABLE Attach Listener: [], WAITING Reference Handler: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Unknown Source), java.lang.ref.Reference.tryHandlePending(Unknown Source), java.lang.ref.Reference$ReferenceHandler.run(Unknown Source)], TIMED_WAITING Server Infinisleeper: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_12_R1.DedicatedServer$1.run(DedicatedServer.java:60)], WAITING Snooper Timer: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Unknown Source), java.util.TimerThread.mainLoop(Unknown Source), java.util.TimerThread.run(Unknown Source)], RUNNABLE DestroyJavaVM: [], RUNNABLE Signal Dispatcher: [], RUNNABLE Server thread: [java.lang.Thread.dumpThreads(Native Method), java.lang.Thread.getAllStackTraces(Unknown Source), org.bukkit.craftbukkit.v1_12_R1.CraftCrashReport.call(CraftCrashReport.java:30), net.minecraft.server.v1_12_R1.CrashReportSystemDetails.a(SourceFile:78), net.minecraft.server.v1_12_R1.CrashReport.h(CrashReport.java:128), net.minecraft.server.v1_12_R1.CrashReport.<init>(CrashReport.java:35), net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:597), java.lang.Thread.run(Unknown Source)], WAITING Finalizer: [java.lang.Object.wait(Native Method), java.lang.ref.ReferenceQueue.remove(Unknown Source), java.lang.ref.ReferenceQueue.remove(Unknown Source), java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)],}
   Recent tasks from -31--1{}
        Profiler Position: N/A (disabled)
        Player Count: 0 / 20; []
        Is Modded: Definitely; Server brand changed to 'Spigot'
        Type: Dedicated Server (map_server.txt)

这个怎么弄？

---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 20-4-17 下午10:06
Description: Exception in server tick loop

java.lang.IllegalStateException: failed to create a child event loop
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88)
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58)
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47)
        at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72)
        at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59)
        at net.minecraft.server.v1_12_R1.ServerConnection$1.a(ServerConnection.java:34)
        at net.minecraft.server.v1_12_R1.ServerConnection$1.init(ServerConnection.java:38)
        at net.minecraft.server.v1_12_R1.LazyInitVar.c(SourceFile:10)
        at net.minecraft.server.v1_12_R1.ServerConnection.a(ServerConnection.java:101)
        at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:194)
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:545)
        at java.lang.Thread.run(Unknown Source)
Caused by: io.netty.channel.ChannelException: failed to open a new selector
        at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175)
        at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:149)
        at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127)
        at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36)
        at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84)
        ... 13 more
Caused by: java.io.IOException: Unable to establish loopback connection
        at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source)
        at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.nio.ch.PipeImpl.<init>(Unknown Source)
        at sun.nio.ch.SelectorProviderImpl.openPipe(Unknown Source)
        at java.nio.channels.Pipe.open(Unknown Source)
        at sun.nio.ch.WindowsSelectorImpl.<init>(Unknown Source)
        at sun.nio.ch.WindowsSelectorProvider.openSelector(Unknown Source)
        at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:173)
        ... 17 more
Caused by: java.net.ConnectException: Connection timed out: connect
        at sun.nio.ch.Net.connect0(Native Method)
        at sun.nio.ch.Net.connect(Unknown Source)
        at sun.nio.ch.Net.connect(Unknown Source)
        at sun.nio.ch.SocketChannelImpl.connect(Unknown Source)
        at java.nio.channels.SocketChannel.open(Unknown Source)
        at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(Unknown Source)
        ... 26 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
        Minecraft Version: 1.12.2
        Operating System: Windows 7 (amd64) version 6.1
        Java Version: 1.8.0_111, Oracle Corporation
        Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
        Memory: 34839760 bytes (33 MB) / 143654912 bytes (137 MB) up to 4250402816 bytes (4053 MB)
        JVM Flags: 2 total; -Xmn128M -Xmx4096M
        IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
        CraftBukkit Information:
   Running: CraftBukkit version git-Spigot-dcd1643-e60fc34 (MC: 1.12.2) (Implementing API version 1.12.2-R0.1-SNAPSHOT) false
   Plugins: {}
   Warnings: DEFAULT
   Reload Count: 0
   Threads: { TIMED_WAITING Spigot Watchdog Thread: [java.lang.Thread.sleep(Native Method), org.spigotmc.WatchdogThread.run(WatchdogThread.java:92)], RUNNABLE Server console handler: [java.io.FileInputStream.readBytes(Native Method), java.io.FileInputStream.read(Unknown Source), java.io.BufferedInputStream.fill(Unknown Source), java.io.BufferedInputStream.read(Unknown Source), org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:248), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readCharacter(ConsoleReader.java:2145), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLineSimple(ConsoleReader.java:3183), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2333), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2269), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2257), net.minecraft.server.v1_12_R1.DedicatedServer$2.run(DedicatedServer.java:87)], TIMED_WAITING Spigot Metrics Thread: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Unknown Source), java.util.TimerThread.run(Unknown Source)], WAITING Thread-3: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(Unknown Source), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source), java.util.concurrent.LinkedBlockingQueue.take(Unknown Source), com.mojang.util.QueueLogAppender.getNextLogEvent(QueueLogAppender.java:77), org.bukkit.craftbukkit.v1_12_R1.util.TerminalConsoleWriterThread.run(TerminalConsoleWriterThread.java:27), java.lang.Thread.run(Unknown Source)], RUNNABLE Attach Listener: [], WAITING Reference Handler: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Unknown Source), java.lang.ref.Reference.tryHandlePending(Unknown Source), java.lang.ref.Reference$ReferenceHandler.run(Unknown Source)], TIMED_WAITING Server Infinisleeper: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_12_R1.DedicatedServer$1.run(DedicatedServer.java:60)], WAITING Snooper Timer: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Unknown Source), java.util.TimerThread.mainLoop(Unknown Source), java.util.TimerThread.run(Unknown Source)], RUNNABLE DestroyJavaVM: [], RUNNABLE Signal Dispatcher: [], RUNNABLE Server thread: [java.lang.Thread.dumpThreads(Native Method), java.lang.Thread.getAllStackTraces(Unknown Source), org.bukkit.craftbukkit.v1_12_R1.CraftCrashReport.call(CraftCrashReport.java:30), net.minecraft.server.v1_12_R1.CrashReportSystemDetails.a(SourceFile:78), net.minecraft.server.v1_12_R1.CrashReport.h(CrashReport.java:128), net.minecraft.server.v1_12_R1.CrashReport.<init>(CrashReport.java:35), net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:597), java.lang.Thread.run(Unknown Source)], WAITING Finalizer: [java.lang.Object.wait(Native Method), java.lang.ref.ReferenceQueue.remove(Unknown Source), java.lang.ref.ReferenceQueue.remove(Unknown Source), java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)],}
   Recent tasks from -31--1{}
        Profiler Position: N/A (disabled)
        Player Count: 0 / 20; []
        Is Modded: Definitely; Server brand changed to 'Spigot'
        Type: Dedicated Server (map_server.txt)

这个又怎么弄
我换了个核心

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