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Upgrade issue from 1.0.5 > 1.0.7a


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I have been updating about 50 B-Team servers today and one issue I have noticed is from 1.0.5 > 1.0.7a where I get the following crash.

You can find all of it on http://pastebin.com/DXkq0fZG


It seems to be a problem with the Biomes'O'Plenty chunk generation.

I was considering it may be an issue with the MCPC+ build 235

Has anyone else had this upgrade issue and know of a possible fix?




Time: 2/16/14 6:38 PM
Description: Exception preparing structure feature
A detailed walkthrough of the error, its code path and all known details is as follows:
-- Feature being prepared --
Is feature chunk: ~~ERROR~~ ArrayIndexOutOfBoundsException: null
Chunk location: -6,-5
Chunk pos hash: -17179869190
Structure type: net.minecraft.world.gen.structure.MapGenStronghold
at net.minecraft.world.gen.structure.MapGenStructure.func_75037_a(MapGenStructure.java:54)
at net.minecraft.world.gen.MapGenBase.func_75036_a(MapGenBase.java:33)
at biomesoplenty.world.ChunkProviderBOP.func_73154_d(ChunkProviderBOP.java:353)
at org.bukkit.craftbukkit.v1_6_R3.generator.NormalChunkGenerator.func_73154_d(NormalChunkGenerator.java:45)
at net.minecraft.world.gen.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:207)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:161)
at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:484)
at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:432)
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:224)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:634)
at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
-- Chunk to be generated --
Location: 2,3
Position hash: 10737418243
Generator: NormalWorldGenerator
-- System Details --
Minecraft Version: 1.6.4
Operating System: Linux (amd64) version 2.6.32-18-pve
Java Version: 1.7.0_51, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 646132488 bytes (616 MB) / 1029177344 bytes (981 MB) up to 1029177344 bytes (981 MB)
JVM Flags: 3 total; -Xmx1024M -Xms1024M -XX:PermSize=128m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 19, allocated: 19, tallocated: 39
CraftBukkit Information: 
   Running: MCPC+ version git-MCPC-Plus-jenkins-MCPC-Plus-164-235 (MC: 1.6.4) (Implementing API version 1.6.4-R2.1-SNAPSHOT) true
   Plugins: {}
   Warnings: DEFAULT




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I seem to have solved this , it is always the case when you start a post.

I have installed MCPC-Plus-164-235 when the server was using the default forge before I upgraded.

As soon as I restored the original forge the server booted ok...


A word to the wise, make a backup of the server files before you make the upgrade… at least you can quickly go back if it all bugs out on you.


Now to try a previous version of MCPC+ to see if there was not a conflict.


Thanks @demfels, thats was interesting to know.

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