本帖最后由 嘉晚饭，赢 于 2022-2-23 10:15 编辑

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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:78)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
        at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43)
        at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12)
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)
        ... 6 more

当前java不适合你得1.7.10版本

请去控制面板卸载安装java8版本：https://icraft.ren:90/study/JDK/ ... 251-windows-x64.exe

1.7.10用java8即可
https://cowtransfer.com/s/3a3ca2d3d09243
推荐281稳定版本
如果电脑里有多个java
打开你的开服启动bat  
找到里面的  java  改成例如 "C:\Program Files\Java\jdk1.8.0_281\bin\java.exe"

楼主更换个java就好啦，也不用把以前的删掉，安装后路径改一下就好