Ever when i start the start.bat data then it says Failed to start the minecraft server 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) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at com.google.gson.Gson.fromJson(Gson.java:768) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.UserCache.b(SourceFile:151) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.UserCache.<init>(SourceFile:43) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.MinecraftServer.<init>(MinecraftServer.java:128) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.DedicatedServer.<init>(DedicatedServer.java:42) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.MinecraftServer.main(MinecraftServer.java:846) [craftbukkit_server.jar:git-Bukkit-0a645a2] at org.bukkit.craftbukkit.Main.main(Main.java:169) [craftbukkit_server.jar:git-Bukkit-0a645a2] 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) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:79) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:60) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at com.google.gson.Gson.fromJson(Gson.java:803) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] ... 7 more
that it is [09:48:43] [main/FATAL]: Failed to start the minecraft server 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) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at com.google.gson.Gson.fromJson(Gson.java:768) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.UserCache.b(SourceFile:151) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.UserCache.<init>(SourceFile:43) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.MinecraftServer.<init>(MinecraftServer.java:128) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.DedicatedServer.<init>(DedicatedServer.java:42) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at net.minecraft.server.v1_8_R2.MinecraftServer.main(MinecraftServer.java:846) [craftbukkit_server.jar:git-Bukkit-0a645a2] at org.bukkit.craftbukkit.Main.main(Main.java:169) [craftbukkit_server.jar:git-Bukkit-0a645a2] 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) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:79) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:60) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] at com.google.gson.Gson.fromJson(Gson.java:803) ~[craftbukkit_server.jar:git-Bukkit-0a645a2] ... 7 more
delete your user cache, ops and whitelist and banlist .JSON files (Or one at a time, in that order, as it is one of the json-list files for the server)