Type of bug

Error in console

/ess dump all output

Some errors appears, and it outputs nothing.

Error log (if applicable)

No response

Bug description

I tried to run the plugin in Spigot 1.20.6, but an error occurred and it doesn’t work at all.

Steps to reproduce

Run the plugin in Spigot 1.20.6 and Paper 1.20.6.

Expected behaviour

This plugin starts normally.

Actual behaviour

The plugin is closed and cannot function properly, with some errors occurring.

Additional Information

[10:55:15] [Server thread/INFO]: [Essentials] Enabling Essentials v2.21.0-dev+81-cde7184
[10:55:15] [Server thread/ERROR]: You are running an unsupported server version!
[10:55:16] [Server thread/INFO]: Attempting to convert old kits in config.yml to new kits.yml
[10:55:16] [Server thread/INFO]: No kits found to migrate.
[10:55:16] [Server thread/WARN]: java.lang.NoSuchMethodException: no such method: net.minecraft.server.MinecraftServer.v()boolean/invokeVirtual
[10:55:16] [Server thread/WARN]: at java.base/java.lang.invoke.MemberName.makeAccessException(MemberName.java:915)
[10:55:16] [Server thread/WARN]: at java.base/java.lang.invoke.MemberName$Factory.resolveOrFail(MemberName.java:994)
[10:55:16] [Server thread/WARN]: at java.base/java.lang.invoke.MethodHandles$Lookup.resolveOrFail(MethodHandles.java:3750)
[10:55:16] [Server thread/WARN]: at java.base/java.lang.invoke.MethodHandles$Lookup.findVirtual(MethodHandles.java:2767)
[10:55:16] [Server thread/WARN]: at net.ess3.nms.refl.providers.ReflServerStateProvider.(ReflServerStateProvider.java:32)
[10:55:16] [Server thread/WARN]: at com.earth2me.essentials.Essentials.onEnable(Essentials.java:419)
[10:55:16] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:266)
[10:55:16] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:342)
[10:55:16] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:491)
[10:55:16] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R4.CraftServer.enablePlugin(CraftServer.java:541)
[10:55:16] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R4.CraftServer.enablePlugins(CraftServer.java:455)
[10:55:16] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:634)
[10:55:16] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:419)
[10:55:16] [Server thread/WARN]: at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:265)
[10:55:16] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.y(MinecraftServer.java:1010)
[10:55:16] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:311)
[10:55:16] [Server thread/WARN]: at java.base/java.lang.Thread.run(Thread.java:1583)
[10:55:16] [Server thread/WARN]: Caused by: java.lang.NoSuchMethodError: 'boolean net.minecraft.server.MinecraftServer.v()'
[10:55:16] [Server thread/WARN]: at java.base/java.lang.invoke.MethodHandleNatives.resolve(Native Method)
[10:55:16] [Server thread/WARN]: at java.base/java.lang.invoke.MemberName$Factory.resolve(MemberName.java:962)
[10:55:16] [Server thread/WARN]: at java.base/java.lang.invoke.MemberName$Factory.resolveOrFail(MemberName.java:991)
[10:55:16] [Server thread/WARN]: ... 15 more
[10:55:16] [Server thread/ERROR]: java.lang.NoClassDefFoundError: org/bukkit/potion/PotionData
java.lang.NoClassDefFoundError: org/bukkit/potion/PotionData
at java.base/java.lang.Class.getDeclaredConstructors0(Native Method) ~[?:?]
at java.base/java.lang.Class.privateGetDeclaredConstructors(Class.java:3549) ~[?:?]
at java.base/java.lang.Class.getConstructor0(Class.java:3754) ~[?:?]
at java.base/java.lang.Class.getDeclaredConstructor(Class.java:2930) ~[?:?]
at com.google.gson.internal.ConstructorConstructor.newDefaultConstructor(ConstructorConstructor.java:212) ~[gson-2.10.1.jar:?]
at com.google.gson.internal.ConstructorConstructor.get(ConstructorConstructor.java:120) ~[gson-2.10.1.jar:?]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:129) ~[gson-2.10.1.jar:?]
at com.google.gson.Gson.getAdapter(Gson.java:556) ~[gson-2.10.1.jar:?]
at com.google.gson.Gson.fromJson(Gson.java:1226) ~[gson-2.10.1.jar:?]
at com.google.gson.Gson.fromJson(Gson.java:1329) ~[gson-2.10.1.jar:?]
at com.google.gson.Gson.fromJson(Gson.java:1271) ~[gson-2.10.1.jar:?]
at com.earth2me.essentials.items.FlatItemDb.loadJSON(FlatItemDb.java:85) ~[?:?]
at com.earth2me.essentials.items.FlatItemDb.rebuild(FlatItemDb.java:64) ~[?:?]
at com.earth2me.essentials.items.FlatItemDb.reloadConfig(FlatItemDb.java:53) ~[?:?]
at com.earth2me.essentials.Essentials.reload(Essentials.java:651) ~[?:?]
at com.earth2me.essentials.Essentials.onEnable(Essentials.java:496) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:266) ~[spigot-api-1.20.6-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:342) ~[spigot-api-1.20.6-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:491) ~[spigot-api-1.20.6-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_20_R4.CraftServer.enablePlugin(CraftServer.java:541) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at org.bukkit.craftbukkit.v1_20_R4.CraftServer.enablePlugins(CraftServer.java:455) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:634) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:419) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:265) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.MinecraftServer.y(MinecraftServer.java:1010) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:311) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]
Caused by: java.lang.ClassNotFoundException: org.bukkit.potion.PotionData
at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:160) ~[spigot-api-1.20.6-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:112) ~[spigot-api-1.20.6-R0.1-SNAPSHOT.jar:?]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?]
... 27 more
[10:55:16] [Server thread/ERROR]: There's a good chance you're reloading your server right now. If that's the case, why do you hate yourself? Expect no support from the EssentialsX team when using /reload.
[10:55:16] [Server thread/ERROR]: Error occurred while enabling Essentials v2.21.0-dev+81-cde7184 (Is it up to date?)
java.lang.NullPointerException: Cannot invoke "com.earth2me.essentials.Backup.setPendingShutdown(boolean)" because the return value of "com.earth2me.essentials.Essentials.getBackup()" is null
at com.earth2me.essentials.Essentials.onDisable(Essentials.java:604) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:268) ~[spigot-api-1.20.6-R0.1-SNAPSHOT.jar:?]
at com.earth2me.essentials.Essentials.handleCrash(Essentials.java:1136) ~[?:?]
at com.earth2me.essentials.Essentials.onEnable(Essentials.java:534) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:266) ~[spigot-api-1.20.6-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:342) ~[spigot-api-1.20.6-R0.1-SNAPSHOT.jar:?]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:491) ~[spigot-api-1.20.6-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_20_R4.CraftServer.enablePlugin(CraftServer.java:541) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at org.bukkit.craftbukkit.v1_20_R4.CraftServer.enablePlugins(CraftServer.java:455) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:634) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:419) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:265) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.MinecraftServer.y(MinecraftServer.java:1010) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:311) ~[spigot-1.20.6-R0.1-SNAPSHOT.jar:4141-Spigot-e2c1eee-66fd943]
at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]

1.20.5/6 is not supported on current builds. Work is being done to get an update out as soon as possible.