Minecraft Forums

---- Minecraft Crash Report ----
// Why is it breaking

Time: 7/17/13 10:32 AM
Description: Exception in server tick loop

java.lang.ClassCastException: net.minecraft.block.BlockStone cannot be cast to net.minecraft.block.BlockRailBase
at net.minecraft.block.BlockBaseRailLogic.<init>(BlockBaseRailLogic.java:33)
at net.minecraft.block.BlockRailBase.func_72181_a(BlockRailBase.java:208)
at net.minecraft.block.BlockRailBase.func_71861_g(BlockRailBase.java:135)
at net.minecraft.world.chunk.Chunk.func_76592_a(Chunk.java:754)
at net.minecraft.world.World.func_72832_d(World.java:557)
at net.minecraft.world.gen.structure.StructureComponent.func_74864_a(SourceFile:384)
at net.minecraft.world.gen.structure.StructureComponent.func_74876_a(SourceFile:513)
at net.minecraft.world.gen.structure.ComponentMineshaftCorridor.func_74875_a(ComponentMineshaftCorridor.java:324)
at net.minecraft.world.gen.structure.StructureStart.func_75068_a(SourceFile:29)
at net.minecraft.world.gen.structure.MapGenStructure.func_75051_a(SourceFile:72)
at net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:532)
at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:258)
at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1249)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:153)
at net.minecraft.server.management.PlayerInstance.<init>(PlayerInstance.java:44)
at net.minecraft.server.management.PlayerManager.getOrCreateChunkWatcher(PlayerManager.java:188)
at net.minecraft.server.management.PlayerManager.func_72690_a(PlayerManager.java:178)
at net.minecraft.server.management.PlayerManager.func_72683_a(PlayerManager.java:228)
at net.minecraft.server.management.ServerConfigurationManager.func_72375_a(ServerConfigurationManager.java:220)
at net.minecraft.server.management.ServerConfigurationManager.func_72377_c(ServerConfigurationManager.java:268)
at net.minecraft.server.management.ServerConfigurationManager.func_72355_a(ServerConfigurationManager.java:136)
at net.minecraft.server.integrated.IntegratedServerListenThread.func_71747_b(IntegratedServerListenThread.java:97)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:689)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:585)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:172)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:582)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
Minecraft Version: 1.6.2
Operating System: Windows XP (x86) version 5.1
Java Version: 1.7.0_40-ea, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 86406856 bytes (82 MB) / 244568064 bytes (233 MB) up to 405471232 bytes (386 MB)
JVM Flags: 1 total; -Xmx400M
AABB Pool Size: 2040 (114240 bytes; 0 MB) allocated, 2040 (114240 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
FML: MCP v8.04 FML v6.2.19.789 Minecraft Forge 9.10.0.789 Optifine OptiFine_1.6.2_HD_U_B1 7 mods loaded, 7 mods active
mcp{8.04} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{6.2.19.789} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{9.10.0.789} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_bspkrsCore{v3.02(1.6.2)} [bspkrsCore] ([1.6.2]bspkrsCorev3.02 (1).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_ReiMinimap{v3.4_01 [1.6.2]} [mod_ReiMinimap] ([1.6.2]ReiMinimap_v3.4_01.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TreeCapitator{Forge 1.6.2.r01} [TreeCapitator] ([1.6.2]TreeCapitator.Forge.1.6.2.r01.Uni.CoreMod.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
lloverlay{0.18} [Light Level Overlay] (lloverlay-v0.18-1.6.2-9.10.0.789-forge.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 273 (15288 bytes; 0 MB) allocated, 273 (15288 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['scorch00'/194, l='MSWorld01', x=-242.17, y=66.48, z=437.30]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

Not a problem with Minecraft, you have mods installed.

*snipity snip snip*
Suspicious classes: FML and Forge are installed
*snip*
FML: MCP v8.04 FML v6.2.19.789 Minecraft Forge 9.10.0.789 Optifine OptiFine_1.6.2_HD_U_B1 7 mods loaded, 7 mods active
mcp{8.04} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{6.2.19.789} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{9.10.0.789} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_bspkrsCore{v3.02(1.6.2)} [bspkrsCore] ([1.6.2]bspkrsCorev3.02 (1).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_ReiMinimap{v3.4_01 [1.6.2]} [mod_ReiMinimap] ([1.6.2]ReiMinimap_v3.4_01.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TreeCapitator{Forge 1.6.2.r01} [TreeCapitator] ([1.6.2]TreeCapitator.Forge.1.6.2.r01.Uni.CoreMod.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
lloverlay{0.18} [Light Level Overlay] (lloverlay-v0.18-1.6.2-9.10.0.789-forge.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
*snip*
Is Modded: Definitely; Client brand changed to 'fml,forge'

Quote from Collin1971

Not a problem with Minecraft, you have mods installed.

But these mods have worked together before.. I was thinking it was this:

JVM Flags: 1 total; -Xmx400M

Quote from Ultimario1337

But these mods have worked together before.. I was thinking it was this:

JVM Flags: 1 total; -Xmx400M

No, that means you are running minecraft at 400 megabytes.
Just try without the mods.

Quote from Pokefan203

No, that means you are running minecraft at 400 megabytes.
Just try without the mods.

Quote from Pokefan203

No, that means you are running minecraft at 400 megabytes.
Just try without the mods.

Quote from Poke
fan203

No, that means you are running minecraft at 400 megabytes.
Just try without the mods.

Yea, It worked... So what mods are conflicting? I have Forge, Optifine, Light Level Overlay, TreeCapitator, and bpskcore