16:12:20 [INFO] [LogBlock] Connecting to username@jdbc:mysql://localhost:3306/mi
necraft?useUnicode=true&characterEncoding=utf-8...
16:12:22 [SEVERE] [LogBlock] Error while fetching connection:
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)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1
116)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:343)
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2334)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2
371)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2163)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:378)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java
:305)
        at java.sql.DriverManager.getConnection(Unknown Source)
        at java.sql.DriverManager.getConnection(Unknown Source)
        at de.diddiz.util.MySQLConnectionPool.getConnection(MySQLConnectionPool.
java:72)
        at de.diddiz.LogBlock.LogBlock.getConnection(LogBlock.java:221)
        at de.diddiz.LogBlock.LogBlock.onLoad(LogBlock.java:63)
        at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugins(CraftServer.ja
va:244)
        at org.bukkit.craftbukkit.v1_6_R2.CraftServer.<init>(CraftServer.java:21
7)
        at net.minecraft.server.v1_6_R2.PlayerList.<init>(PlayerList.java:56)
        at net.minecraft.server.v1_6_R2.DedicatedPlayerList.<init>(SourceFile:11
)
        at net.minecraft.server.v1_6_R2.DedicatedServer.init(DedicatedServer.jav
a:106)
        at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java
:391)
        at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:5
82)
Caused by: java.net.ConnectException: Connection refused: connect
        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 java.net.Socket.<init>(Unknown Source)
        at java.net.Socket.<init>(Unknown Source)
        at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.ja
va:254)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:292)
        ... 24 more