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Paper 1.21.11 Server Log

2 errors

93 lines

Raw

Detected

Minecraft version: 1.21.11

1 Problem detected

Problem The plugin 'NameTags' could not be enabled. Line 45

Solutions:

Install a different version of the plugin 'NameTags'.

Remove the plugin 'NameTags'.

[05:50:08] [ServerMain/INFO]: [bootstrap] Running Java 22 (OpenJDK 64-Bit Server VM 22.0.2+9; Eclipse Adoptium Temurin-22.0.2+9) on Linux 6.1.0-40-amd64 (amd64)

[05:50:08] [ServerMain/INFO]: [bootstrap] Loading Paper 1.21.11-69-main@94d0c97 (2025-12-30T20:33:30Z) for Minecraft 1.21.11

[05:50:09] [ServerMain/INFO]: [PluginInitializerManager] Initializing plugins...

[05:50:10] [ServerMain/INFO]: [PluginInitializerManager] Initialized 4 plugins

[05:50:10] [ServerMain/INFO]: [PluginInitializerManager] Bukkit plugins (4):

- Geyser-Spigot (2.9.5-SNAPSHOT), NameTags (1.5.9-commit-2cc1f69), floodgate (2.2.5-SNAPSHOT (b131-869338c)), packetevents (2.11.2)

[05:50:16] [ServerMain/INFO]: Environment: Environment[sessionHost=https://sessionserver.mojang.com, servicesHost=https://api.minecraftservices.com, profilesHost=https://api.mojang.com, name=PROD]

[05:50:19] [ServerMain/INFO]: Loaded 1470 recipes

[05:50:19] [ServerMain/INFO]: Loaded 1584 advancements

[05:50:19] [ServerMain/INFO]: [ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry] Initialising converters for DataConverter...

[05:50:19] [ServerMain/INFO]: [ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry] Finished initialising converters for DataConverter in 508.4ms

[05:50:19] [Server thread/INFO]: Starting minecraft server version 1.21.11

[05:50:19] [Server thread/INFO]: Loading properties

[05:50:19] [Server thread/INFO]: This server is running Paper version 1.21.11-69-main@94d0c97 (2025-12-30T20:33:30Z) (Implementing API version 1.21.11-R0.1-SNAPSHOT)

[05:50:20] [Server thread/INFO]: [spark] This server bundles the spark profiler. For more information please visit https://docs.papermc.io/paper/profiling

[05:50:20] [Server thread/INFO]: Server Ping Player Sample Count: 12

[05:50:20] [Server thread/INFO]: Using 4 threads for Netty based IO

[05:50:21] [Server thread/INFO]: [MoonriseCommon] Paper is using 1 worker threads, 1 I/O threads

[05:50:22] [Server thread/INFO]: Default game type: SURVIVAL

[05:50:22] [Server thread/INFO]: Generating keypair

[05:50:22] [Server thread/INFO]: Starting Minecraft server on 0.0.0.0:22198

[05:50:22] [Server thread/INFO]: Paper: Using libdeflate (Linux x86_64) compression from Velocity.

[05:50:22] [Server thread/INFO]: Paper: Using OpenSSL 3.x.x (Linux x86_64) cipher from Velocity.

[05:50:22] [Server thread/INFO]: [floodgate] Loading server plugin floodgate v2.2.5-SNAPSHOT (b131-869338c)

[05:50:23] [Server thread/INFO]: [floodgate] Took 1,026ms to boot Floodgate

[05:50:23] [Server thread/INFO]: [Geyser-Spigot] Loading server plugin Geyser-Spigot v2.9.5-SNAPSHOT

[05:50:23] [Server thread/INFO]: [Geyser-Spigot] Loading extensions...

[05:50:23] [Server thread/INFO]: [Geyser-Spigot] Loaded 0 extension(s)

[05:50:23] [Server thread/INFO]: [packetevents] Loading server plugin packetevents v2.11.2

[05:50:26] [Server thread/INFO]: [NameTags] Loading server plugin NameTags v1.5.9-commit-2cc1f69

[05:50:26] [Server thread/INFO]: Server permissions file permissions.yml is empty, ignoring it

[05:50:26] [Server thread/INFO]: Preparing level "world"

[05:50:27] [Server thread/INFO]: Loading 0 persistent chunks for world 'minecraft:overworld'...

[05:50:27] [Server thread/INFO]: Prepared spawn area in 0 ms

[05:50:27] [Server thread/INFO]: Loading 0 persistent chunks for world 'minecraft:the_nether'...

[05:50:27] [Server thread/INFO]: Prepared spawn area in 74 ms

[05:50:27] [Server thread/INFO]: Loading 0 persistent chunks for world 'minecraft:the_end'...

[05:50:27] [Server thread/INFO]: Prepared spawn area in 0 ms

[05:50:27] [Server thread/INFO]: Done preparing level "world" (0.761s)

[05:50:27] [Server thread/INFO]: [floodgate] Enabling floodgate v2.2.5-SNAPSHOT (b131-869338c)

[05:50:28] [Server thread/INFO]: [Geyser-Spigot] Enabling Geyser-Spigot v2.9.5-SNAPSHOT

[05:50:30] [Server thread/INFO]: [packetevents] Enabling packetevents v2.11.2

[05:50:30] [packetevents-update-check-thread/INFO]: [packetevents] Checking for updates, please wait...

[05:50:30] [Server thread/INFO]: [NameTags] Enabling NameTags v1.5.9-commit-2cc1f69

[05:50:30] [Server thread/ERROR]: Error occurred while enabling NameTags v1.5.9-commit-2cc1f69 (Is it up to date?)

java.lang.NoClassDefFoundError: com/github/benmanes/caffeine/cache/Caffeine

at DisplayNameTags-1.5.9.jar//com.mattmx.nametags.entity.NameTagEntityManager.<init>(NameTagEntityManager.java:24) ~[?:?]

at DisplayNameTags-1.5.9.jar//com.mattmx.nametags.NameTags.onEnable(NameTags.java:47) ~[?:?]

at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:279) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:202) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:109) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:520) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at org.bukkit.craftbukkit.CraftServer.enablePlugin(CraftServer.java:639) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:596) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at net.minecraft.server.MinecraftServer.initPostWorld(MinecraftServer.java:636) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:365) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1260) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:388) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at java.base/java.lang.Thread.run(Thread.java:1570) ~[?:?]

Caused by: java.lang.ClassNotFoundException: com.github.benmanes.caffeine.cache.Caffeine

at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:208) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:175) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?]

... 13 more

[05:50:30] [Server thread/INFO]: [NameTags] Disabling NameTags v1.5.9-commit-2cc1f69

[05:50:30] [Server thread/ERROR]: Error occurred while disabling NameTags v1.5.9-commit-2cc1f69

java.lang.NullPointerException: Cannot invoke "com.mattmx.nametags.utils.Metrics.shutdown()" because "this.metrics" is null

at DisplayNameTags-1.5.9.jar//com.mattmx.nametags.NameTags.onDisable(NameTags.java:143) ~[?:?]

at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:285) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.disablePlugin(PaperPluginInstanceManager.java:237) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.disablePlugin(PaperPluginManagerImpl.java:114) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]

at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:550) ~[paper-api-1.21.11-R0.1-SNAPSHOT.jar:?]

at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:206) ~[paper-1.21.11.jar:1.21.11-69-94d0c97]