error when starting server

[DrowArrow]

Plugin Version: gReqBukkit 1.2.1
Also using: gReqBungee 1.2.1

i'm using the latest download on the spigot website and everytime a certain server starts up it always throws an error when trying to enable gReqBukkit..

[19:58:33 ERROR]: null
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link fai
lure

The last packet sent successfully to the server was 0 milliseconds ago. The driv
er has not received any packets from the server.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 ~[?:1.7.0_76]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 ~[?:1.7.0_76]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce) ~[?:1.7.0_76]
        at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.7.0_7
6]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:407) ~[spigot.jar:git
-Spigot-870264a-0a645a2]
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1
116) ~[spigot.jar:git-Spigot-870264a-0a645a2]
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:343) ~[spigot.jar:git-Spig
ot-870264a-0a645a2]
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2334) ~
[spigot.jar:git-Spigot-870264a-0a645a2]
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2
371) ~[spigot.jar:git-Spigot-870264a-0a645a2]
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2163) ~
[spigot.jar:git-Spigot-870264a-0a645a2]
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794) ~[spigo
t.jar:git-Spigot-870264a-0a645a2]
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) ~[spig
ot.jar:git-Spigot-870264a-0a645a2]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 ~[?:1.7.0_76]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 ~[?:1.7.0_76]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce) ~[?:1.7.0_76]
        at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.7.0_7
6]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:407) ~[spigot.jar:git
-Spigot-870264a-0a645a2]
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:378) ~[
spigot.jar:git-Spigot-870264a-0a645a2]
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java
:305) ~[spigot.jar:git-Spigot-870264a-0a645a2]
        at java.sql.DriverManager.getConnection(Unknown Source) ~[?:1.7.0_76]
        at java.sql.DriverManager.getConnection(Unknown Source) ~[?:1.7.0_76]
        at me.sabbertran.greqbukkit.SQLHandler.getCurrentConnection(SQLHandler.j
ava:28) [gReqBukkit.jar:?]
        at me.sabbertran.greqbukkit.GReqBukkit.onEnable(GReqBukkit.java:79) [gRe
qBukkit.jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) [sp
igot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader
.java:335) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage
r.java:405) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.CraftServer.loadPlugin(CraftServer.jav
a:356) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.CraftServer.enablePlugins(CraftServer.
java:316) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.r(MinecraftServer.java:4
16) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.k(MinecraftServer.java:3
82) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.a(MinecraftServer.java:3
37) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.DedicatedServer.init(DedicatedServer.jav
a:257) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java
:522) [spigot.jar:git-Spigot-870264a-0a645a2]
        at java.lang.Thread.run(Unknown Source) [?:1.7.0_76]
Caused by: java.net.UnknownHostException: locahost
        at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method) ~[?:1.7.0_
76]
        at java.net.InetAddress$1.lookupAllHostAddr(Unknown Source) ~[?:1.7.0_76
]
        at java.net.InetAddress.getAddressesFromNameService(Unknown Source) ~[?:
1.7.0_76]
        at java.net.InetAddress.getAllByName0(Unknown Source) ~[?:1.7.0_76]
        at java.net.InetAddress.getAllByName(Unknown Source) ~[?:1.7.0_76]
        at java.net.InetAddress.getAllByName(Unknown Source) ~[?:1.7.0_76]
        at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.ja
va:244) ~[spigot.jar:git-Spigot-870264a-0a645a2]
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:292) ~[spigot.jar:git-Spig
ot-870264a-0a645a2]
        ... 27 more
[19:58:33 ERROR]: Error occurred while enabling gReqBukkit v1.2.1 (Is it up to d
ate?)
java.lang.NullPointerException
        at me.sabbertran.greqbukkit.GReqBukkit.onEnable(GReqBukkit.java:79) ~[?:
?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[s
pigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader
.java:335) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage
r.java:405) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.CraftServer.loadPlugin(CraftServer.jav
a:356) [spigot.jar:git-Spigot-870264a-0a645a2]
        at org.bukkit.craftbukkit.v1_8_R2.CraftServer.enablePlugins(CraftServer.
java:316) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.r(MinecraftServer.java:4
16) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.k(MinecraftServer.java:3
82) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.a(MinecraftServer.java:3
37) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.DedicatedServer.init(DedicatedServer.jav
a:257) [spigot.jar:git-Spigot-870264a-0a645a2]
        at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java
:522) [spigot.jar:git-Spigot-870264a-0a645a2]
        at java.lang.Thread.run(Unknown Source) [?:1.7.0_76]

[tobire]

Are you sure your SQL data is correct and the server can access the database?

[DrowArrow]

i believe this is fixed now.