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Alright so I've been tinkering with Minecraft all day to no avail. I have mods

Single Player Commands Turned On

Weather 2.3.4

Rediscovered 1.7.10

Journey Map 5.0.1 for 1.7.10

ExtraBiomesXL- Universal 1.7.10

Enhanced Biomes 2.1 for 1.7.2

Dynamic Lights for 1.7.1

Backpack 2.0.1 for 1.7.x

Optifine is also installed

Now out of all these mods everything works except Journey Maps which Crashes everytime I use it once inside my world, Dynamic Lights doesn't work for me, I've yet to test the Backpack mod and the ExtraBiomesXL-Universal doesn't even show up in my create a world menu. Im running Forge 1.7.10. Its all running on my Macbook Pro. Its running super slow even after Optifine was installed everything is even set down to smooth fast graphics 9 blocks rendered and FPS @120. I can't seem to figure absolutely anything out. And Im just completely stuck can anyone PLEASE HELP ME! Now my crash log is -



---- Minecraft Crash Report ----
// Why did you do that?

Time: 12/18/14 5:37 PM
Description: Unexpected error

java.util.ConcurrentModificationException
at com.google.common.collect.HashBiMap$Itr.checkForConcurrentModification(HashBiMap.java:339)
at com.google.common.collect.HashBiMap$Itr.hasNext(HashBiMap.java:345)
at net.minecraft.client.audio.SoundManager.func_148605_d(SoundManager.java:212)
at net.minecraft.client.audio.SoundHandler.func_73660_a(SourceFile:179)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:2002)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:962)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


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

-- Head --
Stacktrace:
at com.google.common.collect.HashBiMap$Itr.checkForConcurrentModification(HashBiMap.java:339)
at com.google.common.collect.HashBiMap$Itr.hasNext(HashBiMap.java:345)
at net.minecraft.client.audio.SoundManager.func_148605_d(SoundManager.java:212)
at net.minecraft.client.audio.SoundHandler.func_73660_a(SourceFile:179)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['ODYSZ3Y'/301, l='MpServer', x=89.80, y=70.62, z=-116.98]]
Chunk stats: MultiplayerChunkCache: 440, 440
Level seed: 0
Level generator: ID 04 - typeEB, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (84,64,-115), Chunk: (at 4,4,13 in 5,-8; contains blocks 80,0,-128 to 95,255,-113), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 4172 game time, 4172 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 97 total; [EntityZombie['Zombie'/546, l='MpServer', x=152.50, y=23.00, z=-138.50], EntityZombie['Zombie'/545, l='MpServer', x=152.50, y=23.00, z=-137.50], EntityChicken['Chicken'/9, l='MpServer', x=15.50, y=75.00, z=-130.50], EntityChicken['Chicken'/12, l='MpServer', x=14.50, y=71.00, z=-122.50], EntityChicken['Chicken'/14, l='MpServer', x=12.63, y=71.00, z=-123.59], EntitySkeleton['Skeleton'/21, l='MpServer', x=21.50, y=30.00, z=-154.50], EntityCreeper['Creeper'/20, l='MpServer', x=23.03, y=27.00, z=-167.53], EntityChicken['Chicken'/23, l='MpServer', x=16.50, y=72.00, z=-121.50], EntityChicken['Chicken'/22, l='MpServer', x=19.50, y=79.00, z=-129.50], EntitySpider['Spider'/25, l='MpServer', x=22.50, y=14.00, z=-91.50], EntitySkeleton['Skeleton'/24, l='MpServer', x=17.59, y=15.00, z=-97.06], EntityBat['Bat'/26, l='MpServer', x=22.44, y=16.39, z=-87.38], EntityBat['Bat'/31, l='MpServer', x=20.13, y=21.89, z=-91.72], EntityBat['Bat'/32, l='MpServer', x=33.31, y=16.00, z=-76.00], EntityCreeper['Creeper'/33, l='MpServer', x=30.88, y=31.00, z=-46.25], EntityCow['Cow'/46, l='MpServer', x=49.38, y=71.00, z=-131.59], EntityCow['Cow'/47, l='MpServer', x=51.16, y=69.00, z=-133.56], EntityCow['Cow'/45, l='MpServer', x=51.63, y=70.00, z=-137.53], EntitySheep['Sheep'/51, l='MpServer', x=60.56, y=83.00, z=-102.66], EntityBat['Bat'/50, l='MpServer', x=60.34, y=14.58, z=-100.47], EntityCreeper['Creeper'/49, l='MpServer', x=61.50, y=15.00, z=-98.50], EntityCow['Cow'/48, l='MpServer', x=60.84, y=64.00, z=-135.03], EntityBat['Bat'/55, l='MpServer', x=55.56, y=40.25, z=-88.16], EntitySheep['Sheep'/54, l='MpServer', x=49.66, y=86.00, z=-99.50], EntitySheep['Sheep'/53, l='MpServer', x=60.66, y=83.00, z=-110.47], EntitySheep['Sheep'/52, l='MpServer', x=57.94, y=82.00, z=-110.03], EntitySkeleton['Skeleton'/59, l='MpServer', x=54.50, y=68.00, z=-67.06], EntityCreeper['Creeper'/783, l='MpServer', x=124.50, y=58.00, z=-92.50], EntityCreeper['Creeper'/58, l='MpServer', x=54.00, y=67.00, z=-64.34], EntityCreeper['Creeper'/57, l='MpServer', x=63.50, y=51.00, z=-79.50], EntityCreeper['Creeper'/56, l='MpServer', x=63.31, y=51.00, z=-82.69], EntityClientPlayerMP['ODYSZ3Y'/301, l='MpServer', x=89.80, y=70.62, z=-116.98], EntityCreeper['Creeper'/60, l='MpServer', x=53.47, y=67.00, z=-63.44], EntityCreeper['Creeper'/70, l='MpServer', x=64.00, y=51.00, z=-83.63], EntitySheep['Sheep'/71, l='MpServer', x=74.34, y=86.00, z=-86.56], EntityCreeper['Creeper'/76, l='MpServer', x=72.84, y=83.00, z=-52.28], EntityCreeper['Creeper'/77, l='MpServer', x=82.03, y=84.00, z=-46.69], EntitySheep['Sheep'/72, l='MpServer', x=79.16, y=86.00, z=-78.94], EntityCreeper['Creeper'/73, l='MpServer', x=65.50, y=49.00, z=-48.50], EntitySkeleton['Skeleton'/74, l='MpServer', x=74.50, y=49.00, z=-55.50], EntitySkeleton['Skeleton'/75, l='MpServer', x=66.34, y=50.00, z=-52.09], EntitySpider['Spider'/1593, l='MpServer', x=27.65, y=27.00, z=-89.19], EntityCreeper['Creeper'/82, l='MpServer', x=65.50, y=49.00, z=-47.50], EntitySpider['Spider'/1591, l='MpServer', x=31.28, y=42.10, z=-105.81], EntityCreeper['Creeper'/1589, l='MpServer', x=31.69, y=41.00, z=-104.67], EntitySheep['Sheep'/95, l='MpServer', x=86.43, y=65.00, z=-128.54], EntityCreeper['Creeper'/1588, l='MpServer', x=30.06, y=41.92, z=-104.65], EntityItem['item.item.seeds'/94, l='MpServer', x=88.13, y=64.13, z=-129.16], EntityCreeper['Creeper'/1587, l='MpServer', x=33.50, y=42.00, z=-106.50], EntityCreeper['Creeper'/1586, l='MpServer', x=33.50, y=42.00, z=-105.50], EntitySheep['Sheep'/102, l='MpServer', x=91.50, y=87.00, z=-77.34], EntitySheep['Sheep'/103, l='MpServer', x=95.25, y=90.00, z=-55.16], EntityItem['item.item.seeds'/100, l='MpServer', x=89.16, y=80.13, z=-85.03], EntityItem['item.item.seeds'/101, l='MpServer', x=89.66, y=80.13, z=-88.44], EntitySheep['Sheep'/98, l='MpServer', x=95.50, y=84.00, z=-88.75], EntityItem['item.item.seeds'/99, l='MpServer', x=88.13, y=80.13, z=-85.94], EntityItem['item.item.seeds'/96, l='MpServer', x=88.53, y=64.13, z=-127.41], EntitySheep['Sheep'/97, l='MpServer', x=97.16, y=68.00, z=-114.16], EntitySheep['Sheep'/104, l='MpServer', x=91.50, y=92.00, z=-53.50], EntitySheep['Sheep'/105, l='MpServer', x=92.50, y=90.00, z=-55.50], EntitySheep['Sheep'/119, l='MpServer', x=99.19, y=90.00, z=-58.88], EntitySheep['Sheep'/118, l='MpServer', x=97.72, y=68.00, z=-126.22], EntitySheep['Sheep'/117, l='MpServer', x=113.66, y=69.00, z=-145.47], EntityItem['item.tile.extrabiomes.waterplant.eelgrass'/116, l='MpServer', x=106.31, y=61.13, z=-149.69], EntityCreeper['Creeper'/127, l='MpServer', x=124.00, y=20.00, z=-169.47], EntitySpider['Spider'/120, l='MpServer', x=97.97, y=37.00, z=-39.44], EntityZombie['Zombie'/136, l='MpServer', x=126.50, y=57.00, z=-87.50], EntitySkeleton['Skeleton'/141, l='MpServer', x=129.50, y=43.00, z=-105.50], EntityCreeper['Creeper'/140, l='MpServer', x=134.41, y=42.00, z=-110.00], EntityBat['Bat'/142, l='MpServer', x=139.13, y=57.61, z=-85.44], EntityCreeper['Creeper'/129, l='MpServer', x=116.50, y=43.00, z=-112.50], EntityFish['Fish'/128, l='MpServer', x=112.75, y=48.00, z=-163.75], EntityCreeper['Creeper'/131, l='MpServer', x=120.88, y=43.00, z=-109.72], EntityCreeper['Creeper'/130, l='MpServer', x=127.00, y=43.00, z=-106.50], EntityCreeper['Creeper'/133, l='MpServer', x=126.03, y=44.00, z=-110.47], EntityCreeper['Creeper'/132, l='MpServer', x=121.97, y=45.00, z=-108.50], EntitySkeleton['Skeleton'/135, l='MpServer', x=126.50, y=43.00, z=-107.50], EntitySkeleton['Skeleton'/134, l='MpServer', x=124.50, y=43.00, z=-106.50], EntityBat['Bat'/144, l='MpServer', x=163.28, y=36.45, z=-43.31], EntityBat['Bat'/145, l='MpServer', x=129.97, y=56.00, z=-66.34], EntityItem['item.item.rottenFlesh'/935, l='MpServer', x=72.19, y=89.13, z=-53.69], EntitySkeleton['Skeleton'/146, l='MpServer', x=135.03, y=11.00, z=-56.50], EntityBat['Bat'/147, l='MpServer', x=132.53, y=29.29, z=-60.44], EntitySkeletonHorse['Skeleton Horse'/162, l='MpServer', x=150.59, y=41.00, z=-194.34], EntityCreeper['Creeper'/160, l='MpServer', x=149.31, y=41.00, z=-193.38], EntityZombie['Zombie'/167, l='MpServer', x=148.88, y=39.00, z=-112.63], EntitySheep['Sheep'/166, l='MpServer', x=157.50, y=106.00, z=-147.50], EntitySheep['Sheep'/165, l='MpServer', x=159.50, y=105.00, z=-147.50], EntitySpider['Spider'/164, l='MpServer', x=149.81, y=46.00, z=-157.72], EntityBat['Bat'/1509, l='MpServer', x=21.00, y=17.39, z=-92.88], EntitySkeleton['Skeleton'/178, l='MpServer', x=162.50, y=44.00, z=-166.50], EntityCreeper['Creeper'/177, l='MpServer', x=166.72, y=35.00, z=-168.94], EntitySheep['Sheep'/182, l='MpServer', x=161.50, y=106.00, z=-144.50], EntitySheep['Sheep'/181, l='MpServer', x=164.72, y=92.00, z=-146.88], EntityZombie['Zombie'/1707, l='MpServer', x=57.50, y=18.00, z=-60.50], EntityZombie['Zombie'/1706, l='MpServer', x=58.50, y=18.00, z=-58.50], EntityZombie['Zombie'/1720, l='MpServer', x=23.50, y=30.00, z=-159.50]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Integrated singleplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2433)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:916)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Mac OS X (x86_64) version 10.10.1
Java Version: 1.6.0_65, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 274049080 bytes (261 MB) / 738631680 bytes (704 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -Xmx1G -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: 13, tallocated: 95
FML: MCP v9.05 FML v7.10.25.1208 Minecraft Forge 10.13.0.1208 22 mods loaded, 22 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.10.25.1208} [Forge Mod Loader] (forge-1.7.10-10.13.0.1208.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.13.0.1208} [Minecraft Forge] (forge-1.7.10-10.13.0.1208.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Backpack{2.0.1} [Backpack] (backpack-2.0.1-1.7.x) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CoroAI{v1.0} [CoroAI] (CoroUtil-1.0) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ExtendedRenderer{v1.0} [Extended Renderer] (CoroUtil-1.0) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ConfigMod{v1.0} [Extended Mod Config] (CoroUtil-1.0) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights{1.3.7} [Dynamic Lights] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_onFire{1.0.4} [Dynamic Lights Burning Entity Module] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_creepers{1.0.4} [Dynamic Lights Creeper Module] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_dropItems{1.0.7} [Dynamic Lights EntityItem Module] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_entityClasses{1.0.1} [Dynamic Lights Entity Light Module] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_mobEquipment{1.0.7} [Dynamic Lights Mob Equipment Light Module] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_flameArrows{1.0.0} [Dynamic Lights Fiery Arrows Light Module] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_floodLights{1.0.1} [Dynamic Lights Flood Light] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_otherPlayers{1.0.7} [Dynamic Lights OtherPlayers Light Module] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_thePlayer{1.1.3} [Dynamic Lights Player Light Module] (DynamicLights-1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
enhancedbiomes{2.1 for MC 1.7.2} [Enhanced Biomes] (Enhanced Biomes 2.1 for MC 1.7.2) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ExtrabiomesXL{3.16.RC2} [ExtrabiomesXL] (ExtrabiomesXL-universal-1.7.10-3.16.RC2) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
journeymap{5.0.1} [JourneyMap] (JourneyMap5.0.1_Unlimited_MC1.7.10) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Rediscovered{1.1} [Minecraft Rediscovered Mod] (Rediscovered-1.7.10-1.0) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
weather2{v2.3.4} [weather2] (Weather-2.3.4) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Launched Version: 1.7.10-Forge10.13.0.1208
LWJGL: 2.9.1
OpenGL: NVIDIA GeForce 9400M OpenGL Engine GL version 2.1 NVIDIA-10.0.19 310.90.10.05b12, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending 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: [BoxCraft_8]
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)

See the irony of that mod the 1.7.2 mod is that it works perfectly fine . As for Java im going to look into it. As for the forge I also have 1.8.0 and 1.8.1 installed but most of my mods only go up to 1.7.2. Unless I'm not doing something right idk how to do this I'm fairly new to this whole thing. My CPU is decent it has some horsepower not as much as I want but it works for me

As I have the CPU in question on my laptop I can tell you that yes you will have performance issues with mods loaded but you can still play decent game with 20-30 mods (20ish fps) if you keep all your graphics settings on lowest. I don't know where you pulled 120fps out of. There is no way in hell my macbook has ever been able to do 120 fps at any setting, optifine or no. Also, not capping the fps is seriously going to burn out your cpu and tax your fans, cooling already not being the strong point of these machines, so don't do that. Save that for the desktops in which you can install some serious cooling setups.

That being said, your primary issue is one or all of the ones grimallq already listed. I know it's a mac but you seriously are begging for a security breach toting around safari with java 6. Definitely upgrade and if needed, start from terminal via a script since the MC icon won't work.

Quote from zohar101»

As I have the CPU in question on my laptop I can tell you that yes you will have performance issues with mods loaded but you can still play decent game with 20-30 mods (20ish fps) if you keep all your graphics settings on lowest. I don't know where you pulled 120fps out of. There is no way in hell my macbook has ever been able to do 120 fps at any setting, optifine or no. Also, not capping the fps is seriously going to burn out your cpu and tax your fans, cooling already not being the strong point of these machines, so don't do that. Save that for the desktops in which you can install some serious cooling setups.

That being said, your primary issue is one or all of the ones grimallq already listed. I know it's a mac but you seriously are begging for a security breach toting around safari with java 6. Definitely upgrade and if needed, start from terminal via a script since the MC icon won't work.

Huh ? "start from terminal via a script since the MC icon won't work." And thanks that was definitely clutch I'm updating my Java righttt now. And yeah thank god im not getting anymore those I have are just essentials and some play room. It looks like I'm dropping all my video settings though

Yeah MC icon will not work since it's tied to java 6. So you either go to Apps-Utilities-Terminal and type out

java -d64 -jar //Applications/Minecraft.app/Contents/Resources/Java/Bootstrap.jar

to start it. Or you can go into Applications then right click on Minecraft.app, choose show package contents, then go Contents/Resources/Java/Bootstrap.jar

Right click on bootstrap.jar, and make an alias for it. Then copy the alias to the desktop and you can use it to double click to start MC with it using the proper java version you have installed.

aaaaah.... Im going to delete and reinstall it its easier that way ..

Last question if the mod developer hasn't updated his mod to 1.8.1 or 1.8.0 I can't use anything below my alloted Version correct ?

O:

Delete and reinstall what? You're going to have to do this either way, reinstall or not.

Yeah versions have to match. 1.7.10 or any other version is not going to work on 1.8 or 1.8.1.
Very few mods are out for 1.8 and they're mostly very simplistic ones. Like xray vision or minimap. None of the big mods are even close as forge itself is still in its early testing phase so I just wouldn't go into 1.8 modding yet.

Hmmm... This is very useful information. You deserve 5 Zeus Slaps