Does anyone know what this error means? And why after it is generated my server shows that it is offline and no one can connect, but it is still responsive and online via console? Code: 2012-11-23 15:33:33 [SEVERE] net.minecraft.server.ReportedException: Ticking entity 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:581) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) 2012-11-23 15:33:33 [SEVERE] Caused by: java.util.ConcurrentModificationException 2012-11-23 15:33:33 [SEVERE] at java.util.HashMap$HashIterator.nextEntry(Unknown Source) 2012-11-23 15:33:33 [SEVERE] at java.util.HashMap$KeyIterator.next(Unknown Source) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.EntityTracker.a(EntityTracker.java:189) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.EntityPlayer.j_(EntityPlayer.java:185) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.World.entityJoinedWorld(World.java:1333) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:546) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.World.playerJoinedWorld(World.java:1315) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.World.tickEntities(World.java:1193) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.WorldServer.tickEntities(WorldServer.java:444) 2012-11-23 15:33:33 [SEVERE] at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:577) 2012-11-23 15:33:33 [SEVERE] ... 4 more 2012-11-23 15:33:33 [SEVERE] Encountered an unexpected exception ReportedException net.minecraft.server.ReportedException: Ticking entity at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:581) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) Caused by: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(Unknown Source) at java.util.HashMap$KeyIterator.next(Unknown Source) at net.minecraft.server.EntityTracker.a(EntityTracker.java:189) at net.minecraft.server.EntityPlayer.j_(EntityPlayer.java:185) at net.minecraft.server.World.entityJoinedWorld(World.java:1333) at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:546) at net.minecraft.server.World.playerJoinedWorld(World.java:1315) at net.minecraft.server.World.tickEntities(World.java:1193) at net.minecraft.server.WorldServer.tickEntities(WorldServer.java:444) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:577) ... 4 more 2012-11-23 15:33:33 [SEVERE] This crash report has been saved to: /home/server2866/./crash-reports/crash-2012-11-23_15.33.33-server.txt INFO This server is running CraftBukkit version git-Bukkit-1.4.5-R0.2-b2488jnks (MC: 1.4.5) (Implementing API version 1.4.5-R0.2) Hosted by beastnode.
I'd start by shutting down the server, renaming your plugins folder to plugins_old, then starting it back up and seeing of the error presents itself again. If not, move plugins from plugins_old to plugins one (or several) at a time until you find the one causing the issue.
The problem is that the error only happens randomly, I went an entire day without an error but then it happened, and after I restarted I went another 2 days without it, but then it happened again. If I got rid of the plugins there would be no way to know which one is actually causing it because its rare and unpredictable.
In those situations, I'll usually set up a test server so that the production server isn't down for the count during all that testing.
I guess I can try that, but im not sure how I will know once it is fixed because it could take days to generate the error.
Lol I guess, this guy has the same error it looks like. http://forums.bukkit.org/threads/server-crashes-dont-know-why.112584/
Looks like it. Maybe get with him and compare plugins, that may at least narrow it down to a few that you two have in common.
I'm getting the same problem. I'm using 1 plugin, and it's a plugin I made. Here's the code that makes the error occurs: Code: @EventHandler protected void explosion(final ProjectileHitEvent event) { if (event.getEntity() instanceof Egg) { ItemStack grenade = new ItemStack(Material.FIREBALL); Location itemLocation = event.getEntity().getLocation(); final Item grenadeDrop = halo.getServer().getWorld("world").dropItem(itemLocation, grenade); grenadeDrop.setVelocity(new Vector(0, 0, 0)); grenadeDrop.setPickupDelay(5*20); halo.getServer().getScheduler().scheduleAsyncDelayedTask(halo, new Runnable() { @Override public void run() { Location eLoc = grenadeDrop.getLocation(); grenadeDrop.remove(); Location pLoc = null; halo.getServer().getWorld("world").createExplosion(eLoc, 1.9f, false); for (Player player : halo.getServer().getOnlinePlayers()) { pLoc = player.getLocation(); PlayerInfo p = halo.getPlayerData(player); double distance = Math.sqrt((pLoc.getX() - eLoc.getX())*(pLoc.getX() - eLoc.getX()) + (pLoc.getY() - eLoc.getY())*(pLoc.getY() - eLoc.getY()) + (pLoc.getZ() - eLoc.getZ())*(pLoc.getZ() - eLoc.getZ())); if (distance < 6 && p.inArena()) { float damage = -.25f*(float)distance + 1.5f; if (p.getHealth() - damage <= 0.0f) { p.diedFromPlayer(halo.getServer().getPlayer(halo.getGrenadeThrower(event.getEntity().getUniqueId()))); halo.getPlayerData(halo.getServer().getPlayer(halo.getGrenadeThrower(event.getEntity().getUniqueId()))).killedPlayer(player); } else { p.setHealth(p.getHealth()-damage); p.hit(); } } } } }, 20*3); } } This is the error message that occurs whenever someone throws eggs really fast: Code: 23:00:43 [SEVERE] org.apache.commons.lang.UnhandledException: Plugin Halo v1.0 generated an exception while executing task 40 at org.bukkit.craftbukkit.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:680) Caused by: java.lang.NullPointerException at net.minecraft.server.Explosion.a(Explosion.java:119) at net.minecraft.server.World.createExplosion(World.java:1609) at net.minecraft.server.WorldServer.createExplosion(WorldServer.java:771) at org.bukkit.craftbukkit.CraftWorld.createExplosion(CraftWorld.java:446) at org.bukkit.craftbukkit.CraftWorld.createExplosion(CraftWorld.java:442) at org.bukkit.craftbukkit.CraftWorld.createExplosion(CraftWorld.java:454) at com.blake305.mc.halo.listeners.Grenade$1.run(Grenade.java:83) at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53) at org.bukkit.craftbukkit.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53) ... 3 more 23:00:43 [SEVERE] net.minecraft.server.ReportedException: Ticking entity 23:00:43 [SEVERE] at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:581) 23:00:43 [SEVERE] at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222) 23:00:43 [SEVERE] at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493) 23:00:43 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) 23:00:43 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) 23:00:43 [SEVERE] Caused by: java.lang.NullPointerException 23:00:43 [SEVERE] at net.minecraft.server.World.getCubes(World.java:1017) 23:00:43 [SEVERE] at net.minecraft.server.Entity.move(Entity.java:488) 23:00:43 [SEVERE] at net.minecraft.server.EntityLiving.e(EntityLiving.java:1037) 23:00:43 [SEVERE] at net.minecraft.server.EntityLiving.c(EntityLiving.java:1257) 23:00:43 [SEVERE] at net.minecraft.server.EntityAgeable.c(EntityAgeable.java:64) 23:00:43 [SEVERE] at net.minecraft.server.EntityLiving.j_(EntityLiving.java:508) 23:00:43 [SEVERE] at net.minecraft.server.World.entityJoinedWorld(World.java:1333) 23:00:43 [SEVERE] at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:546) 23:00:43 [SEVERE] at net.minecraft.server.World.playerJoinedWorld(World.java:1315) 23:00:43 [SEVERE] at net.minecraft.server.World.tickEntities(World.java:1193) 23:00:43 [SEVERE] at net.minecraft.server.WorldServer.tickEntities(WorldServer.java:444) 23:00:43 [SEVERE] at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:577) 23:00:43 [SEVERE] ... 4 more 23:00:43 [SEVERE] Encountered an unexpected exception ReportedException net.minecraft.server.ReportedException: Ticking entity at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:581) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) Caused by: java.lang.NullPointerException at net.minecraft.server.World.getCubes(World.java:1017) at net.minecraft.server.Entity.move(Entity.java:488) at net.minecraft.server.EntityLiving.e(EntityLiving.java:1037) at net.minecraft.server.EntityLiving.c(EntityLiving.java:1257) at net.minecraft.server.EntityAgeable.c(EntityAgeable.java:64) at net.minecraft.server.EntityLiving.j_(EntityLiving.java:508) at net.minecraft.server.World.entityJoinedWorld(World.java:1333) at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:546) at net.minecraft.server.World.playerJoinedWorld(World.java:1315) at net.minecraft.server.World.tickEntities(World.java:1193) at net.minecraft.server.WorldServer.tickEntities(WorldServer.java:444) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:577) ... 4 more The only line in the error report that refers to my code is Code: at com.blake305.mc.halo.listeners.Grenade$1.run(Grenade.java:83). Line 83 of Grenade.java: Code: halo.getServer().getWorld("world").createExplosion(eLoc, 1.9f, false); Does anyone know why createExplosion() is causing this error whenever it is used rapidly?
Anyone else know why this is happening or what plugins could be causing it? I tried removing plugins one by one but the error wouldnt come, as I said its extremely unpredictable and no one knows when it will hit.
Try: Code:java Bukkit.getServer().getWorld("world").createExplosion(eLoc, 2); Try removing plugins which are useless or finding plugins which do the same job that 5 plugins you have currently do. I had random errors once before and this helped. Additionally, I created my own startup script which started the server up after 10 seconds if the server were to stop on its own. Is your server stopping when the error occurs or completely freezing.
I have never been on when it happens but this is the console after. http://pastebin.com/9wivK1UA It seems like it is still online from looking at that log, but no one can join and it appears offline on the server list. Which plugins do you recommend I remove?
And here, folks, is a prime example of why you should never call Bukkit API methods from async tasks. One or more of those plugins is probably making Bukkit/CraftBukkit calls from an async task or separate thread. Finding it will be tricky, but bergerkiller 's NoLagg plugin includes some cross-thread call detection. Might be worth installing that and see what it reports, if anything. When you find out which plugin is doing it: a) uninstall it, and b) nag the author to fix it. EDIT by Moderator: merged posts, please use the edit button instead of double posting.
Possibly - I couldn't say for sure either way. But you shouldn't need to run it for very long. If there's a plugin doing something it shouldn't, then NoLagg should pick that up pretty quickly...
Alright it seems to be mobarena, dev is inactive to my knowledge, any idea how to fix it? My servers a mob arena server so...
Yeah, looks like MobArena is calling player.sendMessage() from an async task. Tut tut. Not guaranteed to be the cause of your problem, but certainly needs fixing. Can only suggest nagging the author either in the Bukkit forums or in the forum on the dev.bukkit.org site. If he's unresponsive/inactive, maybe someone else will volunteer to step up and take over the plugin (won't be me, sorry).
Is there any reason every time it crashes with this error the chunks in the arenas get corrupted and regenerate?
I'm curious. Did you actually fork/download and grep through the files to find this out? I don't recall ever planting any async tasks in the MobArena code, but you're right, and I've made sure to /s/Async/Sync throughout the whole thing I'm not sure why I ever decided the two async tasks were a good idea, but the given piece of code is ancient, so probably remains of reckless early exploration of the API. At any rate, thanks! (and here's a new build for 1.4.5-R0.2 where said problem is fixed)
Thanks so much for fixing it Now I just got this error that crashed it >.> Anyone got ideas? Code: 2012-12-02 04:47:52 [SEVERE] java.lang.NullPointerException 2012-12-02 04:47:52 [SEVERE]at java.util.TreeMap.rotateLeft(Unknown Source) 2012-12-02 04:47:52 [SEVERE]at java.util.TreeMap.fixAfterInsertion(Unknown Source) 2012-12-02 04:47:52 [SEVERE]at java.util.TreeMap.put(Unknown Source) 2012-12-02 04:47:52 [SEVERE]at java.util.TreeSet.add(Unknown Source) 2012-12-02 04:47:52 [SEVERE]at net.minecraft.server.WorldServer.b(WorldServer.java:431) 2012-12-02 04:47:52 [SEVERE]at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:308) 2012-12-02 04:47:52 [SEVERE]at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:62) 2012-12-02 04:47:52 [SEVERE]at net.minecraft.server.ChunkRegionLoader.a(ChunkRegionLoader.java:51) 2012-12-02 04:47:52 [SEVERE]at net.minecraft.server.ChunkProviderServer.loadChunk(ChunkProviderServer.java:155) 2012-12-02 04:47:52 [SEVERE]at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:90) 2012-12-02 04:47:52 [SEVERE]at org.bukkit.craftbukkit.CraftWorld.getChunkAt(CraftWorld.java:108) 2012-12-02 04:47:52 [SEVERE]at org.bukkit.craftbukkit.CraftWorld.getChunkAt(CraftWorld.java:481) 2012-12-02 04:47:52 [SEVERE]at com.garbagemule.MobArena.ArenaImpl.updateChunk(ArenaImpl.java:800) 2012-12-02 04:47:52 [SEVERE]at com.garbagemule.MobArena.ArenaImpl.movePlayerToLobby(ArenaImpl.java:859) 2012-12-02 04:47:52 [SEVERE]at com.garbagemule.MobArena.ArenaImpl.playerJoin(ArenaImpl.java:579) 2012-12-02 04:47:52 [SEVERE]at com.garbagemule.MobArena.commands.user.JoinCommand.execute(JoinCommand.java:50) 2012-12-02 04:47:52 [SEVERE]at com.garbagemule.MobArena.commands.CommandHandler.onCommand(CommandHandler.java:88) 2012-12-02 04:47:52 [SEVERE]at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) 2012-12-02 04:47:52 [SEVERE]at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186) 2012-12-02 04:47:52 [SEVERE]at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:502) 2012-12-02 04:47:52 [SEVERE]at com.wizardscraft.scripting.ScriptInterpreter.Interpret(ScriptInterpreter.java:1014) 2012-12-02 04:47:52 [SEVERE]at com.wizardscraft.scripting.ScriptInterpreter.run(ScriptInterpreter.java:245) 2012-12-02 04:47:52 [SEVERE]at java.lang.Thread.run(Unknown Source) 2012-12-02 04:47:53 [SEVERE] net.minecraft.server.ReportedException: Exception ticking world 2012-12-02 04:47:53 [SEVERE]at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:573) 2012-12-02 04:47:53 [SEVERE]at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222) 2012-12-02 04:47:53 [SEVERE]at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493) 2012-12-02 04:47:53 [SEVERE]at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) 2012-12-02 04:47:53 [SEVERE]at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) 2012-12-02 04:47:53 [SEVERE] Caused by: java.lang.IllegalStateException: TickNextTick list out of synch 2012-12-02 04:47:53 [SEVERE]at net.minecraft.server.WorldServer.a(WorldServer.java:455) 2012-12-02 04:47:53 [SEVERE]at net.minecraft.server.WorldServer.doTick(WorldServer.java:172) 2012-12-02 04:47:53 [SEVERE]at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:569) 2012-12-02 04:47:53 [SEVERE]... 4 more 2012-12-02 04:47:53 [SEVERE] Encountered an unexpected exception ReportedException net.minecraft.server.ReportedException: Exception ticking world at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:573) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) Caused by: java.lang.IllegalStateException: TickNextTick list out of synch at net.minecraft.server.WorldServer.a(WorldServer.java:455) at net.minecraft.server.WorldServer.doTick(WorldServer.java:172) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:569) ... 4 more 2012-12-02 04:47:53 [SEVERE] This crash report has been saved to: /home/server2866/./crash-reports/crash-2012-12-02_04.47.53-server.txt 2012-12-02 04:48:04 [INFO] ----------------------[LegacyArenas]------------------ 2012-12-02 04:48:04 [INFO] There are (9/100) players online. 2012-12-02 04:48:04 [INFO] Online staff: cNerdy, 2012-12-02 04:48:04 [INFO] ----------------------------------------------------- 2012-12-02 04:48:07 [WARNING] [Server] The main thread failed to respond after 10 seconds 2012-12-02 04:48:07 [WARNING] [Server] What follows is the stack trace of the main thread 2012-12-02 04:48:07 [WARNING] [Server] at java.lang.Thread.sleep(Native Method) 2012-12-02 04:48:07 [WARNING] [Server] at net.minecraft.server.DedicatedServer.a(DedicatedServer.java:203) 2012-12-02 04:48:07 [WARNING] [Server] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:454) 2012-12-02 04:48:07 [WARNING] [Server] at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) 2012-12-02 04:48:19 [WARNING] [Server] The main thread is still stuck, current loop line is: 2012-12-02 04:48:19 [WARNING] [Server] at net.minecraft.server.DedicatedServer.a(DedicatedServer.java:203) 2012-12-02 04:49:00 [INFO] Read timed out I rebooted my server because it was frozen like this, and when I came back on one of my arenas had chunks that got re-generated. And the crash report Code: ---- Minecraft Crash Report ---- // Shall we play a game? Time: 12/2/12 4:47 AM Description: Exception ticking world java.lang.IllegalStateException: TickNextTick list out of synch at net.minecraft.server.WorldServer.a(WorldServer.java:455) at net.minecraft.server.WorldServer.doTick(WorldServer.java:172) at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:569) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at net.minecraft.server.WorldServer.a(WorldServer.java:455) at net.minecraft.server.WorldServer.doTick(WorldServer.java:172) -- Affected level -- Details: Level name: world All players: 9 total; [EntityPlayer['bomberochbajs'/13720361, l='world', x=366.41, y=67.00, z=85.52](bomberochbajs at 366.40516214677945,67.0,85.52083829265905), EntityPlayer['Toad_99'/13722470, l='world', x=-159.81, y=101.50, z=325.02](Toad_99 at -159.8082810410965,101.5,325.0247785459808), EntityPlayer['Trinky09'/14873382, l='world', x=550.00, y=181.92, z=321.00](Trinky09 at 550.0,181.9219999790193,321.0), EntityPlayer['Lukasbobby1234'/15433342, l='world', x=-161.73, y=101.00, z=312.61](Lukasbobby1234 at -161.73298702467292,101.0,312.6149131776742), EntityPlayer['devilbee'/15458656, l='world', x=380.31, y=135.00, z=337.70](devilbee at 380.309670955874,135.0,337.69999998807907), EntityPlayer['cNerdy'/15503868, l='world', x=-164.25, y=101.00, z=315.78](cNerdy at -164.25144885343698,101.0,315.77755550112073), EntityPlayer['DragonicFlame'/15540856, l='world', x=-167.58, y=101.00, z=310.71](DragonicFlame at -167.57968516896742,101.0,310.70945835632597), EntityPlayer['JacksterBro'/15619334, l='world', x=187.58, y=216.00, z=542.81](JacksterBro at 187.57510481734627,216.0,542.8117732322848), EntityPlayer['killer_amarou'/15648367, l='world', x=186.57, y=216.00, z=546.41](killer_amarou at 186.57223457550137,216.0,546.4127788723159)] Chunk stats: ServerChunkCache: 1898 Drop: 0 Level seed: 8319156363586332229 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: Level spawn location: World: (-176,101,316), Chunk: (at 0,6,12 in -11,19; contains blocks -176,0,304 to -161,255,319), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511) Level time: 68581671 game time, 68682108 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 35676 (now: false), thunder time: 54967 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Stacktrace: at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:569) at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222) at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426) at net.minecraft.server.ThreadServerApplication.run(SourceFile:856) -- System Details -- Details: Minecraft Version: 1.4.5 Operating System: Linux (amd64) version 2.6.18-308.13.1.el5 Java Version: 1.7.0_03, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle EDIT by Moderator: merged posts, please use the edit button instead of double posting.
So it seems that everyone has had their problem fixed and decided that it was MobArena, but my server doesn't use that plugin (and hasn't for a month now) and I get this error, which is like one of the earlier ones: Code: 18.02 09:32:47 [Server] SEVERE Encountered an unexpected exception ReportedException 18.02 09:32:47 [Server] SEVERE ... 4 more 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:580) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.WorldServer.tickEntities(WorldServer.java:445) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.World.tickEntities(World.java:1191) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.World.playerJoinedWorld(World.java:1313) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.WorldServer.entityJoinedWorld(WorldServer.java:548) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.World.entityJoinedWorld(World.java:1332) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.EntityPlayer.j_(EntityPlayer.java:187) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.EntityTracker.a(EntityTracker.java:191) 18.02 09:32:47 [Server] SEVERE at java.util.HashMap$KeyIterator.next(HashMap.java:841) 18.02 09:32:47 [Server] SEVERE at java.util.HashMap$HashIterator.nextEntry(HashMap.java:806) 18.02 09:32:47 [Server] SEVERE Caused by: java.util.ConcurrentModificationException 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:427) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.MinecraftServer.q(MinecraftServer.java:494) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.DedicatedServer.r(DedicatedServer.java:224) 18.02 09:32:47 [Server] SEVERE at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:584) 18.02 09:32:47 [Server] SEVERE net.minecraft.server.v1_4_R1.ReportedException: Ticking entity Any ideas or help?
It can be caused by a lot of plugins, mob arena did not cause mine it was variable triggers. I would start a new thread as this is a few months old and not probably not related.