LJM12914

Thousands of times when I tried to launch it but didn't make sense. It responsed this:(I HAVE used bat,simply doubleclick forge-1.12.2-14.23.5.2854.jar and forge-1.12.2-14.23.5.2854-universal.jar,and my eula was set to true) A problem occurred running the Server launcher.java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:564) at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:70) at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:34) Caused by: java.lang.ClassCastException: class jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoader and java.net.URLClassLoader are in module java.base of loader 'bootstrap') at net.minecraft.launchwrapper.Launch.<init>(Launch.java:34) at net.minecraft.launchwrapper.Launch.main(Launch.java:28) The content from log file:(Yes I'm from CN) [00:29:33] [Server thread/INFO]: Starting minecraft server version 1.12.2 [00:29:33] [Server thread/INFO]: Loading properties [00:29:33] [Server console handler/ERROR]: Exception handling console input java.io.IOException: 句柄无效。 at java.io.FileInputStream.readBytes(Native Method) ~[?:?] at java.io.FileInputStream.read(FileInputStream.java:271) ~[?:?] at java.io.BufferedInputStream.read1(BufferedInputStream.java:282) ~[?:?] at java.io.BufferedInputStream.read(BufferedInputStream.java:343) ~[?:?] at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:297) ~[?:?] at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:339) ~[?:?] at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188) ~[?:?] at java.io.InputStreamReader.read(InputStreamReader.java:181) ~[?:?] at java.io.BufferedReader.fill(BufferedReader.java:161) ~[?:?] at java.io.BufferedReader.readLine(BufferedReader.java:326) ~[?:?] at java.io.BufferedReader.readLine(BufferedReader.java:392) ~[?:?] at nz$2.run(SourceFile:100) [minecraft_server.1.12.2.jar:?] [00:29:33] [Server thread/INFO]: Default game type: SPECTATOR [00:29:33] [Server thread/INFO]: Generating keypair [00:29:33] [Server thread/INFO]: Starting Minecraft server on 127.0.0.1:25567 [00:29:33] [Server thread/INFO]: Using default channel type [00:29:33] [Server thread/WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE! [00:29:33] [Server thread/WARN]: The server will make no attempt to authenticate usernames. Beware. [00:29:33] [Server thread/WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose. [00:29:33] [Server thread/WARN]: To change this, set "online-mode" to "true" in the server.properties file. [00:29:33] [Server thread/INFO]: Preparing level "world" [00:29:33] [Server thread/INFO]: Loaded 488 advancements [00:29:33] [Server thread/INFO]: Preparing start region for level 0 [00:29:34] [Server thread/INFO]: Preparing spawn area: 43% [00:29:35] [Server thread/INFO]: Done (1.735s)! For help, type "help" or "?" [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:35] [Server thread/WARN]: Ignoring unknown attribute 'forge.swimSpeed' [00:29:44] [Server thread/INFO]: Stopping the server [00:29:44] [Server thread/INFO]: Stopping server [00:29:44] [Server thread/INFO]: Saving players [00:29:44] [Server thread/INFO]: Saving worlds [00:29:44] [Server thread/INFO]: Saving chunks for level 'world'/overworld [00:29:44] [Server thread/INFO]: Saving chunks for level 'world'/the_nether [00:29:44] [Server thread/INFO]: Saving chunks for level 'world'/the_end [00:29:44] [Server Shutdown Thread/INFO]: Stopping server [00:29:44] [Server Shutdown Thread/INFO]: Saving players [00:29:44] [Server Shutdown Thread/INFO]: Saving worlds [00:29:44] [Server Shutdown Thread/INFO]: Saving chunks for level 'world'/overworld Anyone can help me please?