Sometimes when I go onto my server the loading takes forever, then the server stops responding. It may be because the server and my minecraft are running on the same computer, but I am getting a new computer.

server console down below

 ------------------------------
[20:59:49 ERROR]: Server thread dump (Look for plugins here before reporting to Spigot!):
[20:59:50 ERROR]: java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[20:59:50 ERROR]: sun.misc.Unsafe.park(Native Method)
[20:59:50 ERROR]: java.util.concurrent.locks.LockSupport.parkNanos(Unknown Source)
[20:59:50 ERROR]: java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(Unknown Source)
[20:59:50 ERROR]: java.util.concurrent.LinkedBlockingQueue.poll(Unknown Source)
[20:59:50 ERROR]: java.util.concurrent.ThreadPoolExecutor.getTask(Unknown Source)
[20:59:50 ERROR]: com.avaje.ebeaninternal.server.lib.BackgroundThread$Runner.run(BackgroundThread.java:168)
[20:59:50 ERROR]: java.lang.Thread.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Netty Server IO #0
[20:59:50 ERROR]: PID: 26 | Suspended: false | Native: false | State: RUNNABLE
[20:59:50 ERROR]: Thread is waiting on monitor(s):
[20:59:50 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[20:59:50 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[20:59:50 ERROR]: Locked on:sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
[20:59:50 ERROR]: sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
[20:59:50 ERROR]: sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
[20:59:50 ERROR]: sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
[20:59:50 ERROR]: sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
[20:59:50 ERROR]: sun.nio.ch.SelectorImpl.select(Unknown Source)
[20:59:50 ERROR]: io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:622)
[20:59:50 ERROR]: io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:310)
[20:59:50 ERROR]: io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
[20:59:50 ERROR]: java.lang.Thread.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Spigot Metrics Thread
[20:59:50 ERROR]: PID: 25 | Suspended: false | Native: false | State: TIMED_WAITING
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: java.lang.Object.wait(Native Method)
[20:59:50 ERROR]: java.util.TimerThread.mainLoop(Unknown Source)
[20:59:50 ERROR]: java.util.TimerThread.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Spigot Watchdog Thread
[20:59:50 ERROR]: PID: 24 | Suspended: false | Native: false | State: RUNNABLE
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: sun.management.ThreadImpl.dumpThreads0(Native Method)
[20:59:50 ERROR]: sun.management.ThreadImpl.dumpAllThreads(Unknown Source)
[20:59:50 ERROR]: org.spigotmc.WatchdogThread.run(WatchdogThread.java:76)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Java2D Disposer
[20:59:50 ERROR]: PID: 22 | Suspended: false | Native: false | State: WAITING
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: java.lang.Object.wait(Native Method)
[20:59:50 ERROR]: java.lang.ref.ReferenceQueue.remove(Unknown Source)
[20:59:50 ERROR]: java.lang.ref.ReferenceQueue.remove(Unknown Source)
[20:59:50 ERROR]: sun.java2d.Disposer.run(Unknown Source)
[20:59:50 ERROR]: java.lang.Thread.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Server console handler
[20:59:50 ERROR]: PID: 19 | Suspended: false | Native: true | State: RUNNABLE
[20:59:50 ERROR]: Thread is waiting on monitor(s):
[20:59:50 ERROR]: Locked on:org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:169)
[20:59:50 ERROR]: Locked on:org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261)
[20:59:50 ERROR]: Locked on:org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198)
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: org.fusesource.jansi.internal.Kernel32.ReadConsoleInputW(Native Method)
[20:59:50 ERROR]: org.fusesource.jansi.internal.Kernel32.readConsoleInputHelper(Kernel32.java:761)
[20:59:50 ERROR]: org.fusesource.jansi.internal.Kernel32.readConsoleKeyInput(Kernel32.java:794)
[20:59:50 ERROR]: org.fusesource.jansi.internal.WindowsSupport.readConsoleInput(WindowsSupport.java:97)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.WindowsTerminal.readConsoleInput(WindowsTerminal.java:215)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.WindowsTerminal.access$000(WindowsTerminal.java:55)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.WindowsTerminal$1.read(WindowsTerminal.java:157)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:169)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:137)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:246)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:261)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:198)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readCharacter(ConsoleReader.java:2145)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:2349)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.DedicatedServer$2.run(DedicatedServer.java:84)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Thread-5
[20:59:50 ERROR]: PID: 20 | Suspended: false | Native: false | State: RUNNABLE
[20:59:50 ERROR]: Thread is waiting on monitor(s):
[20:59:50 ERROR]: Locked on:java.io.BufferedOutputStream.flush(Unknown Source)
[20:59:50 ERROR]: Locked on:java.io.PrintStream.flush(Unknown Source)
[20:59:50 ERROR]: Locked on:java.io.PrintStream.flush(Unknown Source)
[20:59:50 ERROR]: Locked on:java.io.PrintStream.flush(Unknown Source)
[20:59:50 ERROR]: Locked on:sun.nio.cs.StreamEncoder.flush(Unknown Source)
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: java.io.FileOutputStream.writeBytes(Native Method)
[20:59:50 ERROR]: java.io.FileOutputStream.write(Unknown Source)
[20:59:50 ERROR]: java.io.BufferedOutputStream.flushBuffer(Unknown Source)
[20:59:50 ERROR]: java.io.BufferedOutputStream.flush(Unknown Source)
[20:59:50 ERROR]: java.io.PrintStream.flush(Unknown Source)
[20:59:50 ERROR]: java.io.FilterOutputStream.flush(Unknown Source)
[20:59:50 ERROR]: java.io.PrintStream.flush(Unknown Source)
[20:59:50 ERROR]: java.io.PrintStream.flush(Unknown Source)
[20:59:50 ERROR]: java.io.FilterOutputStream.flush(Unknown Source)
[20:59:50 ERROR]: sun.nio.cs.StreamEncoder.implFlush(Unknown Source)
[20:59:50 ERROR]: sun.nio.cs.StreamEncoder.flush(Unknown Source)
[20:59:50 ERROR]: java.io.OutputStreamWriter.flush(Unknown Source)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.flush(ConsoleReader.java:976)
[20:59:50 ERROR]: org.bukkit.craftbukkit.v1_11_R1.util.TerminalConsoleWriterThread.run(TerminalConsoleWriterThread.java:44)
[20:59:50 ERROR]: java.lang.Thread.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: DestroyJavaVM
[20:59:50 ERROR]: PID: 18 | Suspended: false | Native: false | State: RUNNABLE
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Server thread
[20:59:50 ERROR]: PID: 16 | Suspended: false | Native: false | State: RUNNABLE
[20:59:50 ERROR]: Thread is waiting on monitor(s):
[20:59:50 ERROR]: Locked on:org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)
[20:59:50 ERROR]: Locked on:net.minecraft.server.v1_11_R1.ServerConnection.c(ServerConnection.java:140)
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.APIProvider.replaceText(APIProvider.kt:123)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.script.ScriptManager$getJavaScriptAnimation$1$1.next(ScriptManager.kt:74)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.script.ScriptManager$getJavaScriptAnimation$1$1.next(ScriptManager.kt:67)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.animations.AnimationSendablePart.updateText(PartBasedSendableAnimation.kt:131)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.animations.PartBasedSendableAnimation.getCurrentFrameText(PartBasedSendableAnimation.kt:43)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.animations.PartBasedSendableAnimation.start(PartBasedSendableAnimation.kt:57)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.TitleManagerPlugin$registerListeners$4.invoke(TitleManagerPlugin.kt:419)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.TitleManagerPlugin$registerListeners$24.call(TitleManagerPlugin.kt:506)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.TitleManagerPlugin$registerListeners$24.call(TitleManagerPlugin.kt:47)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.shaded.rx.internal.util.ActionSubscriber.onNext(ActionSubscriber.java:39)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.shaded.rx.observers.SafeSubscriber.onNext(SafeSubscriber.java:134)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.shaded.rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:77)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.shaded.rx.internal.operators.OnSubscribeFilter$FilterSubscriber.onNext(OnSubscribeFilter.java:76)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.shaded.rx.internal.operators.OnSubscribeFilter$FilterSubscriber.onNext(OnSubscribeFilter.java:76)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.shaded.rx.internal.operators.OperatorSubscribeOn$1$1.onNext(OperatorSubscribeOn.java:53)
[20:59:50 ERROR]: io.puharesource.mc.titlemanager.event.BukkitEventObservingKt$observeEventRaw$1$executor$1.execute(BukkitEventObserving.kt:31)
[20:59:50 ERROR]: org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[20:59:50 ERROR]: org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502)
[20:59:50 ERROR]: org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.PlayerList.onPlayerJoin(PlayerList.java:327)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.PlayerList.a(PlayerList.java:160)
[20:59:50 ERROR]: protocolsupport.zplatform.impl.spigot.network.handler.SpigotLoginListenerPlay.joinGame(SpigotLoginListenerPlay.java:121)
[20:59:50 ERROR]: protocolsupport.protocol.packet.handler.AbstractLoginListenerPlay.tryJoin(AbstractLoginListenerPlay.java:115)
[20:59:50 ERROR]: protocolsupport.protocol.packet.handler.AbstractLoginListenerPlay.tick(AbstractLoginListenerPlay.java:74)
[20:59:50 ERROR]: protocolsupport.zplatform.impl.spigot.network.handler.SpigotLoginListenerPlay.F_(SpigotLoginListenerPlay.java:67)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.NetworkManager.a(NetworkManager.java:233)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.ServerConnection.c(ServerConnection.java:140)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:842)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:678)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:576)
[20:59:50 ERROR]: java.lang.Thread.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Server Infinisleeper
[20:59:50 ERROR]: PID: 17 | Suspended: false | Native: false | State: TIMED_WAITING
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: java.lang.Thread.sleep(Native Method)
[20:59:50 ERROR]: net.minecraft.server.v1_11_R1.DedicatedServer$1.run(DedicatedServer.java:59)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: NonBlockingInputStreamThread
[20:59:50 ERROR]: PID: 14 | Suspended: false | Native: false | State: WAITING
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: java.lang.Object.wait(Native Method)
[20:59:50 ERROR]: org.bukkit.craftbukkit.libs.jline.internal.NonBlockingInputStream.run(NonBlockingInputStream.java:278)
[20:59:50 ERROR]: java.lang.Thread.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Snooper Timer
[20:59:50 ERROR]: PID: 12 | Suspended: false | Native: false | State: TIMED_WAITING
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: java.lang.Object.wait(Native Method)
[20:59:50 ERROR]: java.util.TimerThread.mainLoop(Unknown Source)
[20:59:50 ERROR]: java.util.TimerThread.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Attach Listener
[20:59:50 ERROR]: PID: 5 | Suspended: false | Native: false | State: RUNNABLE
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Signal Dispatcher
[20:59:50 ERROR]: PID: 4 | Suspended: false | Native: false | State: RUNNABLE
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Finalizer
[20:59:50 ERROR]: PID: 3 | Suspended: false | Native: false | State: WAITING
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: java.lang.Object.wait(Native Method)
[20:59:50 ERROR]: java.lang.ref.ReferenceQueue.remove(Unknown Source)
[20:59:50 ERROR]: java.lang.ref.ReferenceQueue.remove(Unknown Source)
[20:59:50 ERROR]: java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 ERROR]: Current Thread: Reference Handler
[20:59:50 ERROR]: PID: 2 | Suspended: false | Native: false | State: WAITING
[20:59:50 ERROR]: Stack:
[20:59:50 ERROR]: java.lang.Object.wait(Native Method)
[20:59:50 ERROR]: java.lang.Object.wait(Unknown Source)
[20:59:50 ERROR]: java.lang.ref.Reference.tryHandlePending(Unknown Source)
[20:59:50 ERROR]: java.lang.ref.Reference$ReferenceHandler.run(Unknown Source)
[20:59:50 ERROR]: ------------------------------
[20:59:50 INFO]: Startup script './start.sh' does not exist! Stopping server.
[20:59:50 INFO]: Stopping server