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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/core/MY_Loader.php
Line: 258
Function: database

File: /var/www/openml/openml_OS/core/MY_Loader.php
Line: 165
Function: ci_autoloader

File: /var/www/openml/openml_OS/core/MY_Loader.php
Line: 78
Function: initialize

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 7
Function: __construct

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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: 7
Function: database

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 13
Function: model

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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/controllers/Api_new.php
Line: 13
Function: model

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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/controllers/Api_new.php
Line: 13
Function: model

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time

Filename: Session/Session.php

Line Number: 282

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Cannot change session cookie parameters when headers already sent

Filename: Session/Session.php

Line Number: 294

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time

Filename: Session/Session.php

Line Number: 304

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time

Filename: Session/Session.php

Line Number: 314

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time

Filename: Session/Session.php

Line Number: 315

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time

Filename: Session/Session.php

Line Number: 316

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time

Filename: Session/Session.php

Line Number: 375

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time

Filename: drivers/Session_files_driver.php

Line Number: 108

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: session_set_save_handler(): Cannot change save handler when headers already sent

Filename: Session/Session.php

Line Number: 110

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: session_start(): Cannot start session when headers already sent

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 43
Function: library

File: /var/www/openml/openml_OS/controllers/Api.php
Line: 26
Function: __construct

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

A PHP Error was encountered

Severity: Warning

Message: fopen(/data/log/api_errors.log): failed to open stream: Permission denied

Filename: models/Log.php

Line Number: 27

Backtrace:

File: /var/www/openml/openml_OS/models/Log.php
Line: 27
Function: fopen

File: /var/www/openml/openml_OS/core/MY_Api_Model.php
Line: 99
Function: api_error

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 144
Function: returnError

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 121
Function: bootstrap

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/MY_Api_Model.php

Line Number: 134

Backtrace:

File: /var/www/openml/openml_OS/core/MY_Api_Model.php
Line: 134
Function: header

File: /var/www/openml/openml_OS/core/MY_Api_Model.php
Line: 105
Function: xmlContents

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 144
Function: returnError

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 121
Function: bootstrap

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/MY_Api_Model.php

Line Number: 135

Backtrace:

File: /var/www/openml/openml_OS/core/MY_Api_Model.php
Line: 135
Function: header

File: /var/www/openml/openml_OS/core/MY_Api_Model.php
Line: 105
Function: xmlContents

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 144
Function: returnError

File: /var/www/openml/openml_OS/controllers/Api_new.php
Line: 121
Function: bootstrap

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

107 Database connection error. Usually due to high server load. Please wait for N seconds and try again.