So basically i was just on my server minding my business when i got this:

 [02:43:05 ERROR]: The server has stopped responding!
[02:43:05 ERROR]: Please report this to http://www.spigotmc.org/
[02:43:05 ERROR]: Be sure to include ALL relevant console errors and Minecraft crash reports
[02:43:05 ERROR]: Spigot version: git-Spigot-21fe707-e1ebe52 (MC: 1.8.8)
[02:43:05 ERROR]: ------------------------------
So i stopped my server and i got this:
[02:43:05 ERROR]: Server thread dump (Look for plugins here before reporting to Spigot!):
Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Timer-1"
stop
end
[02:44:02 FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_72]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_72]
at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:45) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_72]
Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
at com.google.common.collect.Lists.newArrayList(Lists.java:84) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.NBTTagList.<init>(NBTTagList.java:15) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.NBTTagList.clone(NBTTagList.java:179) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.NBTTagList.clone(NBTTagList.java:186) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.NBTTagCompound.clone(SourceFile:364) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.NBTTagCompound.clone(SourceFile:364) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.InventoryUtils.dropItem(SourceFile:48) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.InventoryUtils.dropInventory(SourceFile:30) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.InventoryUtils.dropInventory(SourceFile:16) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.BlockChest.remove(SourceFile:324) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.Chunk.a(Chunk.java:536) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.World.setTypeAndData(World.java:396) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.World.setAir(World.java:455) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.PlayerInteractManager.c(PlayerInteractManager.java:240) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.PlayerInteractManager.breakBlock(PlayerInteractManager.java:335) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.PlayerInteractManager.a(PlayerInteractManager.java:121) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:623) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.PacketPlayInBlockDig.a(SourceFile:40) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.PacketPlayInBlockDig.a(SourceFile:10) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_72]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_72]
at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) ~[spigot-1.8.8.jar:git-Spigot-21fe707-e1ebe52]
... 5 more
As far as i know nothing unusual was happening besides when i tried to do a command in console this happened but i don;t know if that caused it. please help.