Posted October 29, 20177 yr Hi I made a server It worked 2-3 weeks but after it says : We appear to be missing one or more essential library files. You will need to add them to your server before FML and Forge will run successfully.java.lang.ClassNotFoundException: net.minecraft.launchwrapper.Launch at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(Unknown Source). I am using MyMcAdmin it was working but Its now dead. There is the log of my software.
October 29, 20177 yr Launchwrapper(which is a required library for forge) does not support java 9, please use java 8.
November 2, 20177 yr Author On 29/10/2017 at 5:14 PM, ichttt said: Launchwrapper(which is a required library for forge) does not support java 9, please use java 8. It's working! Thank you!
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