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A PHP Error was encountered

Severity: Warning

Message: mysqli::real_connect(): (HY000/2002): Connection refused

Filename: mysqli/mysqli_driver.php

Line Number: 203

Backtrace:

File: /var/www/openml/openml_OS/models/Database_singleton.php
Line: 7
Function: database

File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php
Line: 11
Function: model

File: /var/www/openml/openml_OS/core/MY_Database_Write_Model.php
Line: 6
Function: __construct

File: /var/www/openml/openml_OS/core/MY_Community_Model.php
Line: 8
Function: __construct

File: /var/www/openml/openml_OS/models/Author.php
Line: 7
Function: __construct

File: /var/www/openml/openml_OS/controllers/Data.php
Line: 11
Function: model

File: /var/www/openml/index.php
Line: 337
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: mysqli::real_connect(): (HY000/2002): Connection refused

Filename: mysqli/mysqli_driver.php

Line Number: 203

Backtrace:

File: /var/www/openml/openml_OS/models/Database_singleton.php
Line: 8
Function: database

File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php
Line: 11
Function: model

File: /var/www/openml/openml_OS/core/MY_Database_Write_Model.php
Line: 6
Function: __construct

File: /var/www/openml/openml_OS/core/MY_Community_Model.php
Line: 8
Function: __construct

File: /var/www/openml/openml_OS/models/Author.php
Line: 7
Function: __construct

File: /var/www/openml/openml_OS/controllers/Data.php
Line: 11
Function: model

File: /var/www/openml/index.php
Line: 337
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: mysqli::real_connect(): (HY000/2002): Connection refused

Filename: mysqli/mysqli_driver.php

Line Number: 203

Backtrace:

File: /var/www/openml/openml_OS/models/Database_singleton.php
Line: 9
Function: database

File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php
Line: 11
Function: model

File: /var/www/openml/openml_OS/core/MY_Database_Write_Model.php
Line: 6
Function: __construct

File: /var/www/openml/openml_OS/core/MY_Community_Model.php
Line: 8
Function: __construct

File: /var/www/openml/openml_OS/models/Author.php
Line: 7
Function: __construct

File: /var/www/openml/openml_OS/controllers/Data.php
Line: 11
Function: model

File: /var/www/openml/index.php
Line: 337
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: mysqli::real_connect(): (HY000/2002): Connection refused

Filename: mysqli/mysqli_driver.php

Line Number: 203

Backtrace:

File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php
Line: 25
Function: get

File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php
Line: 42
Function: get

File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php
Line: 46
Function: getWhere

File: /var/www/openml/openml_OS/models/data/v1/Data_server.php
Line: 20
Function: getById

File: /var/www/openml/openml_OS/controllers/Data.php
Line: 64
Function: download

File: /var/www/openml/index.php
Line: 337
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /var/www/openml/system/core/Exceptions.php:271)

Filename: core/Common.php

Line Number: 570

Backtrace:

An uncaught Exception was encountered

Type: Error

Message: Call to a member function num_rows() on bool

Filename: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php

Line Number: 26

Backtrace:

File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php
Line: 42
Function: get

File: /var/www/openml/openml_OS/core/MY_Database_Read_Model.php
Line: 46
Function: getWhere

File: /var/www/openml/openml_OS/models/data/v1/Data_server.php
Line: 20
Function: getById

File: /var/www/openml/openml_OS/controllers/Data.php
Line: 64
Function: download

File: /var/www/openml/index.php
Line: 337
Function: require_once