Steps to reproduce:

1. Install Zabbix agent 2 7.0.19
2. Follow the "custom query feature" instructions from: https://git.zabbix.com/projects/ZBX/repos/zabbix/browse/src/go/plugins/oracle

• $ ls la /etc/zabbix/alertlog.sql-rw-rr-. 1 zabbix zabbix 29 Jan 14 13:42 /etc/zabbix/alertlog.sql
• $ cat /etc/zabbix/alertlog.sql
  select name from v$datafile;
• $ grep -i "customq" /etc/zabbix/zabbix_agent2.d/plugins.d/oracle.conf### Option: Plugins.Oracle.CustomQueriesPath# Plugins.Oracle.CustomQueriesPath=Plugins.Oracle.CustomQueriesPath=/etc/zabbix
• Zabbix agent 2 restarted

Result:

$ zabbix_agent2 -t oracle.custom.query["tcp://localhost:1521","XXX","XXX","XXX",alertlog]
oracle.custom.query[tcp://localhost:1521,XXX,XXX,XXX,alertlog][m|ZBX_NOTSUPPORTED] [Cannot fetch data.: query "alertlog" not found.]

Expected:
Collected data from a custom query execution