mojira.dev
MC-101155

Crashes when opening my redstone world or joining the server

What I expected to happen was...:
i was just opening my redstone world and later joining the server

What actually happened was...:
it loaded up and after 2/3 secs it crashes

Steps to Reproduce:
1. load the world
2. wait few seconds
3. instant crash

Client

Description: Batching chunks

java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
	at java.util.ArrayList$Itr.remove(Unknown Source)
	at aht.a(SourceFile:1861)
	at ase.a(SourceFile:634)
	at aic.r(SourceFile:63)
	at bqb.b(SourceFile:160)
	at bpx.a(SourceFile:100)
	at bpx.run(SourceFile:43)
	at java.lang.Thread.run(Unknown Source)

Server

Description: Exception ticking world

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.remove(Unknown Source)
	at lp.d(SourceFile:198)
	at lq.d(SourceFile:201)
	at net.minecraft.server.MinecraftServer.D(SourceFile:618)
	at net.minecraft.server.MinecraftServer.C(SourceFile:554)
	at byk.C(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:458)
	at java.lang.Thread.run(Unknown Source)

Attachments

Comments 4

On the Steps to reproduce, it would be helpful to know if this was a previously generated world or if it was a newly created world (meaning, was it created prior to 1.9.3-pre1 or after).
I did notice it was a Flat world (bedrock, stone, smooth sandstone).

Both worlds are created before 1.9.3 pre1 and were running stable with 16w15b. One is my redstone world and is one of the pre fabricated ones suplied with the game. The other is a normal generated terain used on our server.

If possible, please attach one (or both) of these worlds to this ticket.

Redstone world added, it seems the server world doesn't crash anymore

Pascal de Vos

migrated

Unconfirmed

Minecraft 1.9.3 Pre-Release 1

Minecraft 1.9.3 Pre-Release 2

Retrieved