[22:53:45] [AWT-EventQueue-0/INFO] Start generating launching command... [22:53:45] [Game Launcher/INFO] Building process [22:53:45] [Game Launcher/INFO] Logging in... [22:53:45] [Game Launcher/INFO] Detecting libraries... [22:53:45] [Game Launcher/INFO] Unpacking natives... [22:53:51] [Game Launcher/INFO] *** Make shell command *** [22:53:51] [Game Launcher/INFO] On making head command. [22:53:51] [Game Launcher/INFO] Java Version: 1.8.0_60 [22:53:51] [Game Launcher/INFO] Java Platform: 64 [22:53:51] [Game Launcher/INFO] System Platform: 64 [22:53:51] [Game Launcher/INFO] System Physical Memory: 8091 [22:53:51] [Game Launcher/ERROR] ---- Hello Minecraft! Crash Report ---- Version: 2.4.1.6 Time: 2020-08-01 22:53:51 Thread: Thread[Game Launcher,6,main] Content: 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 org.jackhuang.hellominecraft.util.Utils.getURLString(Utils.java:56) at org.jackhuang.hellominecraft.launcher.core.launch.AbstractMinecraftLoader.makeHeadCommand(AbstractMinecraftLoader.java:133) at org.jackhuang.hellominecraft.launcher.core.launch.AbstractMinecraftLoader.makeLaunchingCommand(AbstractMinecraftLoader.java:144) at org.jackhuang.hellominecraft.launcher.core.launch.GameLauncher.makeLaunchCommand(GameLauncher.java:110) at org.jackhuang.hellominecraft.launcher.util.HMCLGameLauncher$1.run(HMCLGameLauncher.java:88) -- System Details -- Operating System: Windows 10 (amd64), 10.0 Java Version: 14.0.2, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation 8月 01, 2020 10:53:51 下午 org.jackhuang.hellominecraft.launcher.util.CrashReporter lambda$reportToServer$10 严重: Failed to post HMCL server. java.net.UnknownHostException: huangyuhui.duapp.com at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:567) at java.base/java.net.Socket.connect(Socket.java:648) at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:177) at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:474) at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:569) at java.base/sun.net.www.http.HttpClient.(HttpClient.java:242) at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:341) at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:362) at java.base/sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1261) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1239) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1082) at java.base/sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:1016) at org.jackhuang.hellominecraft.util.NetUtils.post(NetUtils.java:116) at org.jackhuang.hellominecraft.util.NetUtils.post(NetUtils.java:102) at org.jackhuang.hellominecraft.util.NetUtils.post(NetUtils.java:98) at org.jackhuang.hellominecraft.util.NetUtils.post(NetUtils.java:94) at org.jackhuang.hellominecraft.launcher.util.CrashReporter.lambda$reportToServer$10(CrashReporter.java:140) at org.jackhuang.hellominecraft.launcher.util.CrashReporter.access$lambda$1(CrashReporter.java) at org.jackhuang.hellominecraft.launcher.util.CrashReporter$$Lambda$2.run(Unknown Source) at java.base/java.lang.Thread.run(Thread.java:832)