Error message

16:23:58 [INFO] CyberDork34[/127.0.0.1:64433] logged in with entity id 927 at ([
Gone] -23.954722548523094, 68.0, 466.062816833259)
16:23:58 [SEVERE] Could not pass event PlayerJoinEvent to MobHealth v6.1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:427)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:477)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:462)
        at net.minecraft.server.v1_5_R2.PlayerList.c(PlayerList.java:205)
        at net.minecraft.server.v1_5_R2.PlayerList.a(PlayerList.java:101)
        at net.minecraft.server.v1_5_R2.PendingConnection.d(PendingConnection.ja
va:129)
        at net.minecraft.server.v1_5_R2.PendingConnection.c(PendingConnection.ja
va:44)
        at net.minecraft.server.v1_5_R2.DedicatedServerConnectionThread.a(Dedica
tedServerConnectionThread.java:41)
        at net.minecraft.server.v1_5_R2.DedicatedServerConnection.b(SourceFile:2
9)
        at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:5
80)
        at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:2
25)
        at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:4
76)
        at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java
:409)
        at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:5
73)
Caused by: java.lang.NullPointerException
        at me.sablednah.MobHealth.ServerDamageEntityListener.onPlayerJoin(Server
DamageEntityListener.java:142)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:425)
        ... 14 more
16:23:58 [WARNING] [DisguiseCraft] Error checking for updates
java.net.ConnectException: connect: Address is invalid on local machine, or port
 is not valid on remote machine
        at java.net.DualStackPlainSocketImpl.connect0(Native Method)
        at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
        at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
        at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
        at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
        at java.net.PlainSocketImpl.connect(Unknown Source)
        at java.net.SocksSocketImpl.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at sun.net.NetworkClient.doConnect(Unknown Source)
        at sun.net.www.http.HttpClient.openServer(Unknown Source)
        at sun.net.www.http.HttpClient.openServer(Unknown Source)
        at sun.net.www.http.HttpClient.<init>(Unknown Source)
        at sun.net.www.http.HttpClient.New(Unknown Source)
        at sun.net.www.http.HttpClient.New(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown
Source)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Sour
ce)
        at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown So
urce)
        at java.net.URL.openStream(Unknown Source)
        at pgDev.bukkit.DisguiseCraft.update.DCUpdateChecker.getLatestVersion(DC
UpdateChecker.java:17)
        at pgDev.bukkit.DisguiseCraft.update.DCUpdateNotifier.run(DCUpdateNotifi
er.java:22)
        at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftTask.run(CraftTask.java
:53)
        at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftAsyncTask.run(CraftAsyn
cTask.java:53)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
16:23:58 [WARNING] [DisguiseCraft] Could not parse version updates.
16:24:05 [INFO] CyberDork34 issued server command: /day
16:24:06 [INFO] DaSmileyface00 issued server command: /pt spawnmob giant
16:24:07 [INFO] [PT] DaSmileyface00 issued server command: /spawnmob giant
16:24:13 [SEVERE] Could not pass event EntityDamageByEntityEvent to MobHealth v6
.1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:427)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:477)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:462)
        at org.bukkit.craftbukkit.v1_5_R2.event.CraftEventFactory.callEvent(Craf
tEventFactory.java:84)
        at org.bukkit.craftbukkit.v1_5_R2.event.CraftEventFactory.callEntityDama
geEvent(CraftEventFactory.java:372)
        at org.bukkit.craftbukkit.v1_5_R2.event.CraftEventFactory.handleEntityDa
mageEvent(CraftEventFactory.java:396)
        at net.minecraft.server.v1_5_R2.EntityLiving.damageEntity(EntityLiving.j
ava:694)
        at net.minecraft.server.v1_5_R2.EntityHuman.damageEntity(EntityHuman.jav
a:683)
        at net.minecraft.server.v1_5_R2.EntityPlayer.damageEntity(EntityPlayer.j
ava:350)
        at net.minecraft.server.v1_5_R2.EntityMonster.m(EntityMonster.java:88)
        at net.minecraft.server.v1_5_R2.EntityMonster.a(EntityMonster.java:114)
        at net.minecraft.server.v1_5_R2.EntityCreature.bq(EntityCreature.java:56
)
        at net.minecraft.server.v1_5_R2.EntityLiving.c(EntityLiving.java:1314)
        at net.minecraft.server.v1_5_R2.EntityMonster.c(EntityMonster.java:20)
        at net.minecraft.server.v1_5_R2.EntityLiving.l_(EntityLiving.java:542)
        at net.minecraft.server.v1_5_R2.EntityMonster.l_(EntityMonster.java:24)
        at net.minecraft.server.v1_5_R2.World.entityJoinedWorld(World.java:1356)

        at net.minecraft.server.v1_5_R2.WorldServer.entityJoinedWorld(WorldServe
r.java:597)
        at net.minecraft.server.v1_5_R2.World.playerJoinedWorld(World.java:1337)

        at net.minecraft.server.v1_5_R2.World.tickEntities(World.java:1225)
        at net.minecraft.server.v1_5_R2.WorldServer.tickEntities(WorldServer.jav
a:463)
        at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:5
62)
        at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:2
25)
        at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:4
76)
        at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java
:409)
        at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:5
73)
Caused by: java.lang.NullPointerException
        at me.sablednah.MobHealth.API.MobHealthAPI.showBar(MobHealthAPI.java:427
)
        at me.sablednah.MobHealth.ServerDamageEntityListener.onEntityDamage(Serv
erDamageEntityListener.java:71)
        at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:425)
        ... 26 more
16:24:13 [WARNING] [MobHealth] Task #346 for MobHealth v6.1.0 generated an excep
tion
java.lang.NullPointerException
        at me.sablednah.MobHealth.API.MobHealthAPI.showBar(MobHealthAPI.java:427
)
        at me.sablednah.MobHealth.ServerDamageEntityListener$ScheduledshowBar.ru
n(ServerDamageEntityListener.java:160)
        at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftTask.run(CraftTask.java
:53)
        at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftScheduler.mainThreadHea
rtbeat(CraftScheduler.java:344)
        at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:5
12)
        at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:2
25)
        at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:4
76)
        at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java
:409)
        at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:5
73)
16:24:17 [WARNING] [MobHealth] Task #394 for MobHealth v6.1.0 generated an excep
tion