2012-11-12 16:42:01 [INFO] sionzee issued server command: /zprava djlukys zkousim
2012-11-12 16:42:01 [SEVERE] com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Cannot load connection class because of underlying exception: 'java.lang.NumberFormatException: For input string: "null"'.
2012-11-12 16:42:01 [SEVERE] 	at sun.reflect.GeneratedConstructorAccessor192.newInstance(Unknown Source)
2012-11-12 16:42:01 [SEVERE] 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
2012-11-12 16:42:01 [SEVERE] 	at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
2012-11-12 16:42:01 [SEVERE] 	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
2012-11-12 16:42:01 [SEVERE] 	at com.mysql.jdbc.Util.getInstance(Util.java:382)
2012-11-12 16:42:01 [SEVERE] 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
2012-11-12 16:42:01 [SEVERE] 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
2012-11-12 16:42:01 [SEVERE] 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
2012-11-12 16:42:01 [SEVERE] 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
2012-11-12 16:42:01 [SEVERE] 	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:314)
2012-11-12 16:42:01 [SEVERE] 	at java.sql.DriverManager.getConnection(DriverManager.java:579)
2012-11-12 16:42:01 [SEVERE] 	at java.sql.DriverManager.getConnection(DriverManager.java:221)
2012-11-12 16:42:01 [SEVERE] 	at lib.PatPeter.SQLibrary.MySQL.open(MySQL.java:55)
2012-11-12 16:42:01 [SEVERE] 	at freelance.plugin.by.sionzee.all.in.one.FreeLance.onCommand(FreeLance.java:455)
2012-11-12 16:42:01 [SEVERE] 	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
2012-11-12 16:42:01 [SEVERE] 	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:185)
2012-11-12 16:42:01 [SEVERE] 	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:504)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:911)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:824)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:806)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.NetworkManager.b(NetworkManager.java:282)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:111)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.ServerConnection.b(SourceFile:35)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:578)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:215)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:495)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:428)
2012-11-12 16:42:01 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:818)
2012-11-12 16:42:01 [SEVERE] Caused by: java.lang.NumberFormatException: For input string: "null"
2012-11-12 16:42:01 [SEVERE] 	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
2012-11-12 16:42:01 [SEVERE] 	at java.lang.Integer.parseInt(Integer.java:492)
2012-11-12 16:42:01 [SEVERE] 	at java.lang.Integer.parseInt(Integer.java:527)
2012-11-12 16:42:01 [SEVERE] 	at com.mysql.jdbc.NonRegisteringDriver.port(NonRegisteringDriver.java:831)
2012-11-12 16:42:01 [SEVERE] 	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:305)
2012-11-12 16:42:01 [SEVERE] 	... 20 more