Server Crahses every few minutes what should i do heres a crash report
---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 1/13/16 5:47 PM
Description: Watching Server

java.lang.Error
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Throwable.java:783)
at java.lang.Throwable.<init>(Throwable.java:265)
at java.lang.Exception.<init>(Exception.java:66)
at bz.<init>(SourceFile:7)
at cd.<init>(SourceFile:9)
at cd.<init>(SourceFile:5)
at i.a(SourceFile:195)
at i.e(SourceFile:253)
at bc.k(SourceFile:658)
at bc.a(SourceFile:115)
at j.a(SourceFile:82)
at j.a(SourceFile:58)
at ahf.a(SourceFile:105)
at akg.b(SourceFile:101)
at lp.a(SourceFile:646)
at lp.d(SourceFile:215)
at net.minecraft.server.MinecraftServer.D(SourceFile:616)
at la.D(SourceFile:339)
at net.minecraft.server.MinecraftServer.C(SourceFile:552)
at net.minecraft.server.MinecraftServer.run(SourceFile:456)
at java.lang.Thread.run(Thread.java:745)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Stacktrace:
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Throwable.java:783)
at java.lang.Throwable.<init>(Throwable.java:265)
at java.lang.Exception.<init>(Exception.java:66)
at bz.<init>(SourceFile:7)
at cd.<init>(SourceFile:9)
at cd.<init>(SourceFile:5)
at i.a(SourceFile:195)
at i.e(SourceFile:253)
at bc.k(SourceFile:658)
at bc.a(SourceFile:115)
at j.a(SourceFile:82)
at j.a(SourceFile:58)
at ahf.a(SourceFile:105)
at akg.b(SourceFile:101)
at lp.a(SourceFile:646)
at lp.d(SourceFile:215)
at net.minecraft.server.MinecraftServer.D(SourceFile:616)
at la.D(SourceFile:339)
at net.minecraft.server.MinecraftServer.C(SourceFile:552)

– Thread Dump –
Details:
Threads: "Netty Epoll Server IO #4" Id=24 RUNNABLE
at io.netty.channel.epoll.Native.epollWait(Native Method)
at io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:194)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:219)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at java.lang.Thread.run(Thread.java:745)

"Netty Epoll Server IO #3" Id=23 RUNNABLE (in native)
at io.netty.channel.epoll.Native.epollWait(Native Method)
at io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:194)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:219)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at java.lang.Thread.run(Thread.java:745)

"File IO Thread" Id=42 TIMED_WAITING
at java.lang.Thread.sleep(Native Method)
at bba.c(SourceFile:51)
at bba.run(SourceFile:30)
at java.lang.Thread.run(Thread.java:745)

"Netty Epoll Server IO #2" Id=22 RUNNABLE (in native)
at io.netty.channel.epoll.Native.epollWait(Native Method)
at io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:194)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:219)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at java.lang.Thread.run(Thread.java:745)

"Netty Epoll Server IO #1" Id=21 RUNNABLE (in native)
at io.netty.channel.epoll.Native.epollWait(Native Method)
at io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:194)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:219)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at java.lang.Thread.run(Thread.java:745)

"Server Watchdog" Id=37 RUNNABLE
at sun.management.ThreadImpl.dumpThreads0(Native Method)
at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:446)
at lb.run(SourceFile:43)
at java.lang.Thread.run(Thread.java:745)

"Netty Epoll Server IO #0" Id=20 RUNNABLE
at io.netty.channel.epoll.Native.epollWait(Native Method)
at io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:194)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:219)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at java.lang.Thread.run(Thread.java:745)

"Server console handler" Id=17 RUNNABLE (in native)
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:255)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)

• locked java.io.BufferedInputStream@1d50a069
  at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284)
  at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326)
  at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
• locked java.io.InputStreamReader@13974db3
  at java.io.InputStreamReader.read(InputStreamReader.java:184)
  ...

"DestroyJavaVM" Id=16 RUNNABLE

"Server thread" Id=14 RUNNABLE
at java.lang.Throwable.fillInStackTrace(Native Method)
at java.lang.Throwable.fillInStackTrace(Throwable.java:783)

• locked cd@17a8cb19
  at java.lang.Throwable.<init>(Throwable.java:265)
  at java.lang.Exception.<init>(Exception.java:66)
  at bz.<init>(SourceFile:7)
  at cd.<init>(SourceFile:9)
  at cd.<init>(SourceFile:5)
  at i.a(SourceFile:195)
  ...

"Server Infinisleeper" Id=13 TIMED_WAITING
at java.lang.Thread.sleep(Native Method)
at la$1.run(SourceFile:77)

"Snooper Timer" Id=12 TIMED_WAITING on java.util.TaskQueue@52aa4788
at java.lang.Object.wait(Native Method)

• waiting on java.util.TaskQueue@52aa4788
  at java.util.TimerThread.mainLoop(Timer.java:552)
  at java.util.TimerThread.run(Timer.java:505)

"Signal Dispatcher" Id=4 RUNNABLE

"Finalizer" Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@4ae1f65c
at java.lang.Object.wait(Native Method)

• waiting on java.lang.ref.ReferenceQueue$Lock@4ae1f65c
  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
  at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)

"Reference Handler" Id=2 WAITING on java.lang.ref.Reference$Lock@63b2d066
at java.lang.Object.wait(Native Method)

• waiting on java.lang.ref.Reference$Lock@63b2d066
  at java.lang.Object.wait(Object.java:502)
  at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:157)

Stacktrace:
at lb.run(SourceFile:59)
at java.lang.Thread.run(Thread.java:745)

– System Details –
Details:
Minecraft Version: 16w02a
Operating System: Linux (amd64) version 3.10.0-229.11.1.el7.x86_64
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 800562656 bytes (763 MB) / 1035468800 bytes (987 MB) up to 2386558976 bytes (2276 MB)
JVM Flags: 2 total; -Xmx2560M -Xms128M
IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
Profiler Position: N/A (disabled)
Player Count: 2 / 10; [lr['PastaMoney'/201, l='world', x=1676.51, y=61.00, z=483.91], lr['ItsLukass'/420, l='world', x=1386.16, y=74.00, z=97.49]]
Is Modded: Unknown (can't tell)
Type: Dedicated Server (map_server.txt)