[ZBX-17924] dashboard php errors in "System information" window - ZABBIX SUPPORT

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Details

Type: Problem report
Status: Closed
Priority: Trivial
Resolution: Fixed
Affects Version/s: 5.0.1
Fix Version/s: 4.0.23rc1, 5.0.3rc1, 5.2.0alpha1, 5.2 (plan)
Component/s: Frontend (F)
Labels:
None
Environment:
Linux, mysql 8.0.18, php 7.4.6

Team:
Team B
Sprint:
Sprint 66 (Jul 2020)
Story Points:
1

Description

Steps to reproduce:

Just stat web frontend

Result:

In main dashboard "System information" window are reported php errors:

Undefined index: table_name [zabbix.php:21 → require_once() → ZBase->run() → ZBase->processRequest() → ZBase->processResponseFinal() → CView->getOutput() → include() → make_status_of_zbx() → MysqlDbBackend->checkEncoding() → MysqlDbBackend->checkTablesEncoding() → DBfetchColumn() in include/db.inc.php:846]Undefined index: table_name [zabbix.php:21 → require_once() → ZBase->run() → ZBase->processRequest() → ZBase->processResponseFinal() → CView->getOutput() → include() → make_status_of_zbx() → MysqlDbBackend->checkEncoding() → MysqlDbBackend->checkTablesEncoding() → DBfetchColumn() in include/db.inc.php:846]Undefined index: table_name [zabbix.php:21 → require_once() → ZBase->run() → ZBase->processRequest() → ZBase->processResponseFinal() → CView->getOutput() → include() → make_status_of_zbx() → MysqlDbBackend->checkEncoding() → MysqlDbBackend->checkTablesEncoding() → DBfetchColumn() in include/db.inc.php:846]Undefined index: table_name [zabbix.php:21 → require_once() → ZBase->run() → ZBase->processRequest() → ZBase->processResponseFinal() → CView->getOutput() → include() → make_status_of_zbx() → MysqlDbBackend->checkEncoding() → MysqlDbBackend->checkTablesEncoding() → DBfetchColumn() in include/db.inc.php:846]Undefined index: table_name [zabbix.php:21 → require_once() → ZBase->run() → ZBase->processRequest() → ZBase->processResponseFinal() → CView->getOutput() → include() → make_status_of_zbx() → MysqlDbBackend->checkEncoding() → MysqlDbBackend->checkTablesEncoding() → DBfetchColumn() in include/db.inc.php:846]Undefined index: table_name [zabbix.php:21 → require_once() → ZBase->run() → ZBase->processRequest() 

[..]

→ ZBase->processResponseFinal() → CView->getOutput() → include() → make_status_of_zbx() → MysqlDbBackend->checkEncoding() → MysqlDbBackend->checkTablesEncoding() → DBfetchColumn() in include/db.inc.php:846]

See screenshot...
See log file...
See memory dump...
Expected:
See screenshot....
See attached patch file...