I have a problem with minecraft, so after downloading version 1.17.1 I can not turn on this version or installed optifine on it
I do not know how to fix it-This is what it writes when it starts up---1.17.1 Optifine:
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
[11:17:02] [main/INFO]: Loading tweak class name optifine.OptiFineTweaker
[11:17:02] [main/INFO]: Using primary tweak class name optifine.OptiFineTweaker
[11:17:02] [main/INFO]: Calling tweak class optifine.OptiFineTweaker
OptiFineTweaker: acceptOptions
OptiFineTweaker: injectIntoClassLoader
OptiFine ClassTransformer
OptiFine ZIP file: C:\Users\PatrykPC\AppData\Roaming\.minecraft\libraries\optifine\OptiFine\1.17.1_HD_U_G9\OptiFine-1.17.1_HD_U_G9.jar
OptiFineTweaker: getLaunchArguments
OptiFineTweaker: getLaunchTarget
[11:17:02] [main/ERROR]: Unable to launch
java.lang.ClassNotFoundException: net.minecraft.client.main.Main
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186) ~[launchwrapper-of-2.2.jar:2.2]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_301]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_301]
at java.lang.Class.forName0(Native Method) ~[?:1.8.0_301]
at java.lang.Class.forName(Unknown Source) ~[?:1.8.0_301]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:155) [launchwrapper-of-2.2.jar:2.2]
at net.minecraft.launchwrapper.Launch.main(Launch.java:30) [launchwrapper-of-2.2.jar:2.2]
Caused by: java.lang.UnsupportedClassVersionError: net/minecraft/client/main/Main has been compiled by a more recent version of the Java Runtime (class file version 60.0), this version of the Java Runtime only recognizes class file versions up to 52.0
at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_301]
at java.lang.ClassLoader.defineClass(Unknown Source) ~[?:1.8.0_301]
at java.security.SecureClassLoader.defineClass(Unknown Source) ~[?:1.8.0_301]
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:177) ~[launchwrapper-of-2.2.jar:2.2]
... 6 more
1.17.1 Normal:
Error: A JNI error has occurred, please check your installation and try again.
And
A java exception has occurred
13
Confused unga bunga I don’t know what u mean
use java 16
Do you have Java 16 installed? Its saying the source files of mc are too new to run it
I have Java 8 Update 301
install new java
I install now and then popped up:
error could not create the java virtual machine
error could not create the java virtual machine
and
a fatal exception has occurred program will exit
and on the launcher: Unrecognized VM option 'UseConcMarkSweepGC'
What are your specs? You might not meet minimum requirements anymore
8gb ram
1050 Ti
and ryzen 1200
1050 Ti
and ryzen 1200
should work according to such specificationsView 1 more replies
