Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io.EOFException STACKTRACE: java.io.EOFException at com.Mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1913) at com.Mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2304) at com.Mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2803) at com.Mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573) ...