[11:51:47] [Server thread/INFO]: SKY issued server command: /suicide
[11:51:47] [Server thread/ERROR]: 命令 suicide 失败:
java.lang.NoSuchMethodError: org.bukkit.event.entity.EntityDamageEvent.<init>(Lorg/bukkit/entity/Entity;Lorg/bukkit/event/entity/EntityDamageEvent$DamageCause;I)V
        at com.earth2me.essentials.commands.Commandsuicide.run(Commandsuicide.java:17) ~[EssentialsX-2.0.1.jar:?]
        at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsCommand.java:146) ~[EssentialsX-2.0.1.jar:?]
        at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:465) [EssentialsX-2.0.1.jar:?]
        at com.earth2me.essentials.Essentials.onCommand(Essentials.java:375) [EssentialsX-2.0.1.jar:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchCommand(CraftServer.java:649) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at net.minecraft.server.v1_11_R1.PlayerConnection.handleCommand(PlayerConnection.java:1344) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at net.minecraft.server.v1_11_R1.PlayerConnection.a(PlayerConnection.java:1179) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at net.minecraft.server.v1_11_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_121]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_121]
        at net.minecraft.server.v1_11_R1.SystemUtils.a(SourceFile:46) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:675) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:574) [spigot.jar:git-Spigot-7d78b81-7e19325]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_121]

suicide应该是自杀指令

是不是ess给指令禁用了。。我之前禁用hat指令 使用这个指令的时候和你的报错差不多。。

自杀指令
报错原因是ess与服务端版本不对应

这个是自杀指令啊