SQLSTATE[HY000] [2006] MySQL server has gone awaySQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refusedSQLSTATE[HY000] [2002] Connection refused