Minecraft Forums

(I'm not sure what happened this time the first post I did I figured it out. this one I'm not sure)



---- Minecraft Crash Report ----
// Don't do that.

Time: 4/11/17 4:07 PM
Description: Updating screen events

java.lang.NoClassDefFoundError: io/netty/bootstrap/ServerBootstrap
at net.minecraft.network.NetworkSystem.func_151270_a(NetworkSystem.java:107)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2136)
at net.minecraft.client.gui.GuiCreateWorld.func_146284_a(GuiCreateWorld.java:230)
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:225)
at net.minecraft.client.gui.GuiCreateWorld.func_73864_a(GuiCreateWorld.java:377)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:296)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1640)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: io.netty.bootstrap.ServerBootstrap
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 17 more
Caused by: java.lang.OutOfMemoryError: Java heap space
at org.objectweb.asm.ByteVector.a(Unknown Source)
at org.objectweb.asm.ByteVector.b(Unknown Source)
at org.objectweb.asm.MethodWriter.visitMethodInsn(Unknown Source)
at org.objectweb.asm.tree.MethodInsnNode.accept(Unknown Source)
at org.objectweb.asm.tree.InsnList.accept(Unknown Source)
at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
at org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
at org.objectweb.asm.tree.ClassNode.accept(Unknown Source)
at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:81)
at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
... 19 more

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

-- Head --
Stacktrace:
at net.minecraft.network.NetworkSystem.func_151270_a(NetworkSystem.java:107)
at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2136)
at net.minecraft.client.gui.GuiCreateWorld.func_146284_a(GuiCreateWorld.java:230)
at net.minecraft.client.gui.GuiScreen.func_73864_a(GuiScreen.java:225)
at net.minecraft.client.gui.GuiCreateWorld.func_73864_a(GuiCreateWorld.java:377)
at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:296)
at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)

-- Affected screen --
Details:
Screen name: net.minecraft.client.gui.GuiMainMenu
Stacktrace:
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1640)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:973)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows Vista (x86) version 6.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 62832 bytes (0 MB) / 523501568 bytes (499 MB) up to 523501568 bytes (499 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 9, tallocated: 61
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1558 56 mods loaded, 56 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAA Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAA AM2-Preloader{0.0.2} [AMCore] (minecraft.jar)
UCHIJAA CodeChickenCore{1.0.6.43} [CodeChicken Core] (minecraft.jar)
UCHIJAA NotEnoughItems{1.0.4.107} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.4.107-universal.jar)
UCHIJAA ThaumicTinkerer-preloader{0.1} [Thaumic Tinkerer Core] (minecraft.jar)
UCHIJAA AnimationAPI{1.2.4} [AnimationAPI] (AnimationAPI-1.7.10-1.2.4.jar)
UCHIJAA ArchitectureCraft{1.4.1} [ArchitectureCraft] (ArchitectureCraft-1.4.1-mc1.7.10.jar)
UCHIJAA arsmagica2{1.4.0.008} [Ars Magica 2] (ArsMagica2-1.4.0.008.jar)
UCHIJAA Backpack{2.0.1} [Backpack] (backpack-2.0.1-1.7.x.jar)
UCHIJAA weaponmod{v1.14.3} [Balkon's WeaponMod] (balkonsweaponmod-1.14.3.jar)
UCHIJAA BiblioCraft{1.11.4} [BiblioCraft] (BiblioCraft[v1.11.4][MC1.7.10].jar)
UCHIJAA Forestry{3.6.2.19} [Forestry for Minecraft] (forestry_1.7.10-3.6.2.19.jar)
UCHIJAA BiblioWoodsForestry{1.7} [BiblioWoods Forestry Edition] (BiblioWoods[Forestry][v1.7].jar)
UCHIJAA CarpentersBlocks{3.3.6} [Carpenter's Blocks] (Carpenter's Blocks v3.3.6 - MC 1.7.10.jar)
UCHIJAA Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar)
UCHIJAA Thaumcraft{4.2.3.5} [Thaumcraft] (Thaumcraft-1.7.10-4.2.3.5.jar)
UCHIJAA ForgeMultipart{1.2.0.345} [Forge Multipart] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar)
UCHIJAA chisel{dev-3.0-16-44d51df} [Chisel] (Chisel-dev-3.0-16-44d51df.jar)
UCHIJAA CustomSpawner{3.3.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3.3.0.zip)
UCHIJAA customnpcs{1.7.10d} [CustomNpcs] (CustomNPCs_1.7.10dRazz.jar)
UCHIJAA DamageIndicatorsMod{3.2.3} [Damage Indicators] (DamageIndicatorsMod-3.2.3.jar)
UCHIJAA MoCreatures{6.3.1} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6.3.1.zip)
UCHIJAA etfuturum{1.5.5} [Et Futurum] (Et Futurum-1.5.5.jar)
UCHIJAA inventorytweaks{1.59-dev-152-cf6e263} [Inventory Tweaks] (InventoryTweaks-1.59-dev-152.jar)
UCHIJAA Waila{1.5.10} [Waila] (Waila-1.5.10_1.7.10.jar)
UCHIJAA JABBA{1.2.1} [JABBA] (Jabba-1.2.1a_1.7.10.jar)
UCHIJAA LunatriusCore{1.1.2.21} [LunatriusCore] (LunatriusCore-1.7.10-1.1.2.21-universal.jar)
UCHIJAA Mantle{1.7.10-0.3.2.jenkins184} [Mantle] (Mantle-1.7.10-0.3.2.jar)
UCHIJAA MapWriter{2.1.8} [MapWriter] (MapWriter-1.7.10-2.1.10.jar)
UCHIJAA RadixCore{2.1.3} [RadixCore] (RadixCore-1.7.10-2.1.3-universal.jar)
UCHIJAA MCA{1.7.10-5.2.2} [Minecraft Comes Alive] (MCA-1.7.10-5.2.2-universal.jar)
UCHIJAA MineTweaker3{3.0.9B} [MineTweaker 3] (MineTweaker3-1.7.10-3.0.9C.jar)
UCHIJAA moreplayermodels{1.7.10b} [MorePlayerModels] (MorePlayerModels_1.7.10b.jar)
UCHIJAA NBTEdit{1.7.2.2} [In-game NBTEdit] (NBTEdit_1.7.10.jar)
UCHIJAA NEIAddons{1.12.7.21} [NEI Addons] (neiaddons-mc1710-1.12.7.21.jar)
UCHIJAA NEIAddons|AppEng{1.12.7.21} [NEI Addons: Applied Energistics 2] (neiaddons-mc1710-1.12.7.21.jar)
UCHIJAA NEIAddons|Botany{1.12.7.21} [NEI Addons: Botany] (neiaddons-mc1710-1.12.7.21.jar)
UCHIJAA NEIAddons|Forestry{1.12.7.21} [NEI Addons: Forestry] (neiaddons-mc1710-1.12.7.21.jar)
UCHIJAA NEIAddons|CraftingTables{1.12.7.21} [NEI Addons: Crafting Tables] (neiaddons-mc1710-1.12.7.21.jar)
UCHIJAA NEIAddons|ExNihilo{1.12.7.21} [NEI Addons: Ex Nihilo] (neiaddons-mc1710-1.12.7.21.jar)
UCHIJAA notenoughkeys{@[email protected]} [NotEnoughKeys] (NotEnoughKeys-1.7.10-3.0.0b43-universal.jar)
UCHIJAA OreRegen{0.0.9} [OreRegen] (OreRegen-0.0.9.jar)
UCHIJAA harvestcraft{1.7.10i} [Pam's HarvestCraft] (Pam's HarvestCraft 1.7.10i.jar)
UCHIJAA RTG{1.7.10-1.1.1.4} [Realistic Terrain Generation] (RTG-1.7.10-1.1.1.4.jar)
UCHIJAA Schematica{1.7.5.117} [Schematica] (Schematica-1.7.10-1.7.5.117-universal.jar)
UCHIJAA TConstruct{1.7.10-1.8.8.build988} [Tinkers' Construct] (TConstruct-1.7.10-1.8.8.jar)
UCHIJAA ThaumicTinkerer{unspecified} [Thaumic Tinkerer] (ThaumicTinkerer-2.5-1.7.10-164.jar)
UCHIJAA witchery{0.23.2} [Witchery] (witchery-1.7.10-0.23.2.jar)
UCHIJAA McMultipart{1.2.0.345} [Minecraft Multipart Plugin] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar)
UCHIJAA ForgeRelocation{0.0.1.4} [ForgeRelocation] (ForgeRelocation-0.0.1.4-universal.jar)
UCHIJAA MCFrames{1.0} [MCFrames] (ForgeRelocation-0.0.1.4-universal.jar)
UCHIJAA RelocationFMP{0.0.1.2} [RelocationFMP] (ForgeRelocationFMP-0.0.1.2-universal.jar)
UCHIJAA MrTJPCoreMod{1.1.0.31} [MrTJPCore] (MrTJPCore-1.7.10-1.1.0.31-universal.jar)
UCHIJAA ForgeMicroblock{1.2.0.345} [Forge Microblocks] (ForgeMultipart-1.7.10-1.2.0.345-universal.jar)
GL info: ' Vendor: 'NVIDIA Corporation' Version: '2.1.2' Renderer: 'GeForce 6150SE nForce 430/PCI/SSE2/3DNOW!'
Mantle Environment: Environment healthy.
TConstruct Environment: Environment healthy.
Launched Version: 1.7.10-Forge10.13.4.1558-1.7.10
LWJGL: 2.9.1
OpenGL: GeForce 6150SE nForce 430/PCI/SSE2/3DNOW! GL version 2.1.2, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because EXT_framebuffer_object is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)

I think it already has 1G I'll look

it has 1g of memory added already

You need to allocate more memory both to the game and the java heapspace.

These launch commands help:

-Xmx4G -Xms4G

Now before you do this, be sure to have minimum 4GB of ram or the game will refuse to launch,