Communications link failure

2013-02-10 03:24:20 [SEVERE] Exception in thread "pool-1-thread-36"
2013-02-10 03:24:20 [SEVERE] org.apache.commons.lang.UnhandledException: Plugin SimpleClans2 v1.0-b467 generated an exception while executing task 5
at org.bukkit.craftbukkit.v1_4_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Caused by: com.p000ison.dev.sqlapi.exception.QueryException: java.sql.BatchUpdateException: Communications link failure

The last packet successfully received from the server was 4 832 634 milliseconds ago. The last packet sent successfully to the server was 45 052 milliseconds ago.
at com.p000ison.dev.sqlapi.jbdc.JBDCPreparedQuery.executeBatches(JBDCPreparedQuery.java:291)
at com.p000ison.dev.sqlapi.Database.executeUpdateBatch(Database.java:369)
at com.p000ison.dev.sqlapi.Database.executeBatch(Database.java:355)
at com.p000ison.dev.sqlapi.Database.executeBatch(Database.java:344)
at com.p000ison.dev.simpleclans2.database.AutoSaver.run(AutoSaver.java:96)
at org.bukkit.craftbukkit.v1_4_R1.scheduler.CraftTask.run(CraftTask.java:53)
at org.bukkit.craftbukkit.v1_4_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more
Caused by: java.sql.BatchUpdateException: Communications link failure

The last packet successfully received from the server was 4 832 634 milliseconds ago. The last packet sent successfully to the server was 45 052 milliseconds ago.
at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:2018)
at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1449)
at com.p000ison.dev.sqlapi.jbdc.JBDCPreparedQuery.executeBatches(JBDCPreparedQuery.java:286)
... 9 more