本帖最后由 Huizhi 于 2022-9-13 22:29 编辑

服务端核心spigot1.16.4
报错内容:[06:02:35] [Server thread/ERROR]: Could not load 'plugins\MMOCore-1.10.2.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: net/Indyuce/mmocore/MMOCore 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 59.0
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:139) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:394) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:301) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.loadPlugins(CraftServer.java:383) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:185) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:809) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:164) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at java.lang.Thread.run(Thread.java:832) [?:?]
Caused by: java.lang.UnsupportedClassVersionError: net/Indyuce/mmocore/MMOCore 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 59.0
        at java.lang.ClassLoader.defineClass1(Native Method) ~[?:?]
        at java.lang.ClassLoader.defineClass(ClassLoader.java:1016) ~[?:?]
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:151) ~[?:?]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:163) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:96) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:589) ~[?:?]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:522) ~[?:?]
        at java.lang.Class.forName0(Native Method) ~[?:?]
        at java.lang.Class.forName(Class.java:468) ~[?:?]
        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:64) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[spigot-1.16.4.jar:git-Spigot-a93cbb1-7a6c3c9]
        ... 7 more

你需要升级你的Java版本

我换了Java15 16都不行

这是最新版的mmocore吧 至少要java17

或者给出完整报告 看看你启动服务端时用的java版本

服务器版本是1.16.4换了17启动不了

尝试升级到最新版本 Java 或更换服务端核心
既然如此你就只能二选一丢了，或尝试联系作者以取得解答

你只能选择升级服务器版本或者退MMOCORE版本 没有其他办法