com.mysql.jdbc.CommunicationsException: 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)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:3170)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:3099)
        at com.mysql.jdbc.Statement.executeQuery(Statement.java:1169)
        at DatabaseManagement.SDBManagement.getUserByAuth(SDBManagement.java:380)
        at Plugins.PUserManagementPlugin.onNames(PUserManagementPlugin.java:206)
        at MainFeatures.TMotherHandler.commandParser(TMotherHandler.java:183)
        at MainFeatures.TMotherHandler.run(TMotherHandler.java:286)


** END NESTED EXCEPTION **



Last packet sent to the server was 1 ms ago.
        at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2515)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2803)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:3170)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:3099)
        at com.mysql.jdbc.Statement.executeQuery(Statement.java:1169)
        at DatabaseManagement.SDBManagement.getUserByAuth(SDBManagement.java:380)
        at Plugins.PUserManagementPlugin.onNames(PUserManagementPlugin.java:206)
        at MainFeatures.TMotherHandler.commandParser(TMotherHandler.java:183)
        at MainFeatures.TMotherHandler.run(TMotherHandler.java:286)