LogBlock error

2011-09-26 05:39:38 [SEVERE] [LogBlock] Error while fetching connection
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:531)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
at com.mysql.jdbc.MysqlIO.(MysqlIO.java:343)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2334)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2371)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2163)
at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:794)
at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:531)
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(DriverManager.java:620)
at java.sql.DriverManager.getConnection(DriverManager.java:200)
at de.diddiz.util.MySQLConnectionPool.getConnection(MySQLConnectionPool.java:72)
at de.diddiz.LogBlock.LogBlock.getConnection(LogBlock.java:287)
at de.diddiz.LogBlock.LogBlock.onLoad(LogBlock.java:78)
at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:142)
at org.bukkit.craftbukkit.CraftServer.(CraftServer.java:104)
at net.minecraft.server.ServerConfigurationManager.(ServerConfigurationManager.java:52)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:136)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:348)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)
Caused by: java.net.ConnectException: Connection timed out
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:316)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:177)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:164)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:354)
at java.net.Socket.connect(Socket.java:574)
at java.net.Socket.connect(Socket.java:524)
at java.net.Socket.(Socket.java:421)
at java.net.Socket.(Socket.java:237)
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:254)
at com.mysql.jdbc.MysqlIO.(MysqlIO.java:292)
... 23 more
2011-09-26 05:39:38 [SEVERE] [LogBlock] Error while loading:
java.lang.NullPointerException
at de.diddiz.LogBlock.LogBlock.onLoad(LogBlock.java:78)
at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:142)
at org.bukkit.craftbukkit.CraftServer.(CraftServer.java:104)
at net.minecraft.server.ServerConfigurationManager.(ServerConfigurationManager.java:52)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:136)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:348)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)
2011-09-26 05:39:38 [INFO] Spout 1.0.6.381 has been initialized