Latest Forge for 1.8.9 (1674) works fine by itself, but crashes on launch with latest Optifine (G9).
---- Minecraft Crash Report ----
WARNING: coremods are present:
Contact their authors BEFORE contacting forge
// I blame Dinnerbone.
Time: 1/2/16 6:07 PM
Description: Initializing game
java.lang.AbstractMethodError: net.minecraft.client.resources.model.ModelRotation.apply(Lcom/google/common/base/Optional;)Lcom/google/common/base/Optional;
at net.minecraftforge.client.model.IPerspectiveAwareModel$MapWrapper.getTransforms(IPerspectiveAwareModel.java:52)
at net.minecraftforge.client.model.ModelLoader$VanillaModelWrapper.bake(ModelLoader.java:455)
at net.minecraftforge.client.model.ModelLoader.func_177570_a(ModelLoader.java:133)
at net.minecraft.client.resources.model.ModelManager.func_110549_a(ModelManager.java:28)
at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110542_a(SimpleReloadableResourceManager.java:120)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:478)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329)
at net.minecraft.client.main.Main.main(SourceFile:124)
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)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Stacktrace:
at net.minecraftforge.client.model.IPerspectiveAwareModel$MapWrapper.getTransforms(IPerspectiveAwareModel.java:52)
at net.minecraftforge.client.model.ModelLoader$VanillaModelWrapper.bake(ModelLoader.java:455)
at net.minecraftforge.client.model.ModelLoader.func_177570_a(ModelLoader.java:133)
at net.minecraft.client.resources.model.ModelManager.func_110549_a(ModelManager.java:28)
at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110542_a(SimpleReloadableResourceManager.java:120)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:478)
-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329)
at net.minecraft.client.main.Main.main(SourceFile:124)
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: 1.8.9
Operating System: Windows 10 (amd64) version 10.0
CPU: 4x Intel® Core i5-4440 CPU @ 3.10GHz
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 128593168 bytes (122 MB) / 291418112 bytes (277 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.19 Powered by Forge 11.15.0.1674 Optifine OptiFine_1.8.9_HD_U_G9 3 mods loaded, 3 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCH mcp{9.18} [Minecraft Coder Pack] (minecraft.jar)
UCH FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.0.1674.jar)
UCH Forge{11.15.0.1674} [Minecraft Forge] (forge-1.8.9-11.15.0.1674.jar)
Loaded coremods (and transformers):
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 361.43' Renderer: 'GeForce GTX 960/PCIe/SSE2'
Launched Version: 1.8.9-forge1.8.9-11.15.0.1674
LWJGL: 2.9.4
OpenGL: GeForce GTX 960/PCIe/SSE2 GL version 4.5.0 NVIDIA 361.43, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes
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)
CPU: 4x Intel® Core i5-4440 CPU @ 3.10GHz