[SPIGOT-2445] ConcurrentModificationException Created: 24/Jun/16  Updated: 26/Jun/16  Resolved: 25/Jun/16

Status: Resolved
Project: Spigot
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Major
Reporter: Dylan Graham Assignee: Unassigned
Resolution: Invalid Votes: 0
Labels: 1.10, bukkit, crash
Environment:

MCProHosting Gold Tier VPS.
2.5g RAM.



 Description   

Players were doing their normal routine surviving when the server up and croaked on us. Giving us this 10 line error.

[16:57:03] [Server thread/ERROR]: Encountered an unexpected exception
java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429) ~[?:1.8.0_66]
	at java.util.HashMap$KeyIterator.next(HashMap.java:1453) ~[?:1.8.0_66]
	at net.minecraft.server.v1_10_R1.EntityTracker.updatePlayers(EntityTracker.java:173) ~[custom18.jar:git-Bukkit-10c10b3]
	at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:753) ~[custom18.jar:git-Bukkit-10c10b3]
	at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:360) ~[custom18.jar:git-Bukkit-10c10b3]
	at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:646) ~[custom18.jar:git-Bukkit-10c10b3]
	at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:550) [custom18.jar:git-Bukkit-10c10b3]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_66]


 Comments   
Comment by md_5 [ 26/Jun/16 ]

Reproduce without plugins.

Comment by Dylan Graham [ 25/Jun/16 ]

Now on the most recent version, same exception happens.

Comment by md_5 [ 25/Jun/16 ]

You are behind by 21 versions, please rerun BuildTools (21)

Generated at Sat Dec 13 15:20:39 UTC 2025 using Jira 10.3.13#10030013-sha1:56dd970ae30ebfeda3a697d25be1f6388b68a422.