Command: "C:\\Program Files\\Java\\jre1.8.0_321\\bin\\java.exe" -Dfile.encoding=GB18030 -Dminecraft.client.jar=.minecraft\versions\1.7.10\1.7.10.jar -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16m -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow -XX:-DontCompileHugeMethods -Xmn128m -Xmx8000m -Dfml.ignoreInvalidMinecraftCertificates=true -Dfml.ignorePatchDiscrepancies=true -Djava.rmi.server.useCodebaseOnly=true -Dcom.sun.jndi.rmi.object.trustURLCodebase=false -Dcom.sun.jndi.cosnaming.object.trustURLCodebase=false -Dlog4j2.formatMsgNoLookups=true -Dlog4j.configurationFile=E:\mc\.minecraft\versions\1.7.10\log4j2.xml -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Djava.library.path=E:\mc\.minecraft\versions\1.7.10\natives-windows-x86_64 -Dminecraft.launcher.brand=HMCL -Dminecraft.launcher.version=3.5.3 -cp E:\mc\.minecraft\libraries\com\mojang\netty\1.8.8\netty-1.8.8.jar;E:\mc\.minecraft\libraries\com\mojang\realms\1.3.5\realms-1.3.5.jar;E:\mc\.minecraft\libraries\org\apache\commons\commons-compress\1.8.1\commons-compress-1.8.1.jar;E:\mc\.minecraft\libraries\org\apache\httpcomponents\httpclient\4.3.3\httpclient-4.3.3.jar;E:\mc\.minecraft\libraries\commons-logging\commons-logging\1.1.3\commons-logging-1.1.3.jar;E:\mc\.minecraft\libraries\org\apache\httpcomponents\httpcore\4.3.2\httpcore-4.3.2.jar;E:\mc\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;E:\mc\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;E:\mc\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;E:\mc\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;E:\mc\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;E:\mc\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;E:\mc\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;E:\mc\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;E:\mc\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;E:\mc\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;E:\mc\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;E:\mc\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;E:\mc\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;E:\mc\.minecraft\libraries\commons-codec\commons-codec\1.9\commons-codec-1.9.jar;E:\mc\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;E:\mc\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;E:\mc\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;E:\mc\.minecraft\libraries\com\mojang\authlib\1.5.21\authlib-1.5.21.jar;E:\mc\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;E:\mc\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;E:\mc\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1\lwjgl-2.9.1.jar;E:\mc\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1\lwjgl_util-2.9.1.jar;E:\mc\.minecraft\libraries\tv\twitch\twitch\5.16\twitch-5.16.jar;E:\mc\.minecraft\versions\1.7.10\1.7.10.jar -javaagent:C:\Users\zzr\AppData\Roaming\.hmcl\log4j-patch-agent-1.0.jar=true net.minecraft.client.main.Main --username Drzzr --version 1.7.10 --gameDir E:\mc\.minecraft --assetsDir E:\mc\.minecraft\assets --assetIndex 1.7.10 --uuid 4c163cbf6e1d46cebdcb4725f700fa01 --accessToken eyJhbGciOiJIUzI1NiJ9.eyJ4dWlkIjoiMjUzNTQ2MTI4Mjg0Njk5MCIsImFnZyI6IkFkdWx0Iiwic3ViIjoiNTYxZWQxMWUtMmFkYS00MGQyLWJkZTEtMzMwZmI5YjIzYzdjIiwibmJmIjoxNjU1Mzc4OTg2LCJhdXRoIjoiWEJPWCIsInJvbGVzIjpbXSwiaXNzIjoiYXV0aGVudGljYXRpb24iLCJleHAiOjE2NTU0NjUzODYsImlhdCI6MTY1NTM3ODk4NiwicGxhdGZvcm0iOiJVTktOT1dOIn0.Ckagm9cM9ilaPojXoTb0GUlJBSiTGUyJFykTpFm1pTA --userProperties {} --userType mojang --width 854 --height 480
Exception in thread "main" java.lang.ClassNotFoundException: org.glavo.log4j.patch.agent.Log4jAgent
        at java.net.URLClassLoader.findClass(Unknown Source)
FATAL ERROR in native method: processing of -javaagent failed
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(Unknown Source)
        at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(Unknown Source)

如果我没记错的话，1.7.10最好使用java7。看一下forge版本，10.13.3.1420 及其以前的版本 适用java7进行游戏 java8可能闪退 打不开游戏 forge版本 10.13.3.1421 及其以后的版本 支持java8进行游戏

不行，不管哪个版本都是一样的错误

看起来不妙

卸载你的321版本的java8
更换成281
java8-281 https://cowtransfer.com/s/3a3ca2d3d09243

不行，还是一样

换启动器，是log4j补丁的问题，另外是hmcl启动器