[MC-668] Server error when client joins. java.lang.IllegalStateException: Entity is already tracked!

Server runs fine until someone joins.
Crash Log attached.

Environment

Java 7 64bit, Windows Server 2008 R2

Linked issues

duplicates 1

MC-502 IllegalStateException::Entity is already tracked! Resolved

Attachments

crash-2012-10-26_00.27.14-server.txt

Comments 2

migrated 2012-11-25T22:50:25Z

Is this still a concern in the current Minecraft version? If so, please update the affected versions in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.

kumasasa 2012-12-01T03:37:12Z

Note to self:

Exception in server tick loop
java.lang.IllegalStateException: Entity is already tracked!
	at hz.a(SourceFile:67)