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Put your sCompletely ignored arguments: [--nativeLauncherVersion, 301]
[13:48:54] [Client thread/INFO]: Setting user: MegaMoh
[13:48:54] [Client thread/INFO]: (Session ID is <censored>)
Exception in thread "Client thread" 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 net.minecraft.server.management.PlayerProfileCache.func_152657_b(PlayerProfileCache.java:212)
at net.minecraft.server.management.PlayerProfileCache.<init>(PlayerProfileCache.java:75)
at net.minecraft.server.MinecraftServer.<init>(MinecraftServer.java:200)
at net.minecraft.server.integrated.IntegratedServer.<init>(IntegratedServer.java:52)
at net.minecraft.client.Minecraft.<init>(Minecraft.java:341)
at net.minecraft.client.main.Main.main(Main.java:129)
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)
... 7 more
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
poiler here.