[17:14:25] [Craft Scheduler Thread - 331/WARN]: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 38,501,378 milliseconds ago.  The last packet sent successfully to the server was 38,501,378 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at sun.reflect.GeneratedConstructorAccessor104.newInstance(Unknown Source)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3348)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1967)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2140)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2620)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2570)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1474)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at uk.co.tggl.pluckerpluck.multiinv.mysql.SqlConnector.inventoryColumnExists(SqlConnector.java:206)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at uk.co.tggl.pluckerpluck.multiinv.mysql.SqlConnector.getInventory(SqlConnector.java:505)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at uk.co.tggl.pluckerpluck.multiinv.player.MIPlayer.loadGroup(MIPlayer.java:368)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at uk.co.tggl.pluckerpluck.multiinv.player.MIPlayer.run(MIPlayer.java:407)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftTask.run(CraftTask.java:71)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at java.lang.Thread.run(Thread.java:745)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: Caused by: java.net.SocketException: Broken pipe
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at java.net.SocketOutputStream.socketWrite0(Native Method)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at java.net.SocketOutputStream.write(SocketOutputStream.java:153)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3329)
[17:14:25] [Craft Scheduler Thread - 331/WARN]: 	... 14 more