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HI guys my minecraft wont play when i hit play it does nothing here are logs (optifine 1.8)



Dec 20, 2014 5:11:11 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Loading tweak class name optifine.OptiFineTweaker
Dec 20, 2014 5:11:11 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Using primary tweak class name optifine.OptiFineTweaker
Dec 20, 2014 5:11:11 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Calling tweak class optifine.OptiFineTweaker
OptiFineTweaker: acceptOptions
OptiFineTweaker: injectIntoClassLoader skipped, OptiFine is loaded as a library
OptiFineTweaker: getLaunchArguments
OptiFineTweaker: getLaunchTarget
Dec 20, 2014 5:11:13 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Launching wrapped minecraft {net.minecraft.client.main.Main}
[17:11:17] [Client thread/INFO]: Setting user: DavidMason490
[17:11:17] [Client thread/INFO]: (Session ID is token:9119fcc5d2504fae8783d0b6d3d666eb:ad03bb9fc5ac4eec8f4c70cb2763ead9)
Dec 20, 2014 5:11:17 PM net.minecraft.launchwrapper.LogWrapper log
SEVERE: Unable to launch
java.lang.reflect.InvocationTargetException
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:131)
at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
Caused by: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected BEGIN_ARRAY but was STRING at line 1 column 1
at com.google.gson.Gson.fromJson(Gson.java:815)
at com.google.gson.Gson.fromJson(Gson.java:768)
at ry.b(SourceFile:148)
at ry.<init>(SourceFile:42)
at net.minecraft.server.MinecraftServer.<init>(SourceFile:155)
at cyk.<init>(SourceFile:40)
at bsu.<init>(SourceFile:282)
at net.minecraft.client.main.Main.main(SourceFile:120)
... 6 more
Caused by: java.lang.IllegalStateException: Expected BEGIN_ARRAY but was STRING at line 1 column 1
at com.google.gson.stream.JsonReader.beginArray(JsonReader.java:338)
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:79)
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:60)
at com.google.gson.Gson.fromJson(Gson.java:803)
... 13 more

Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release