manual:installation:known_issues

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manual:installation:known_issues [2020/11/30 11:07]
martins-v unixodbc driver compatibility problem better explained (ZBX-18676)
manual:installation:known_issues [2021/01/27 19:24] (current)
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   [Z3001] connection to database '​zabbix'​ failed: [1227] Access denied; you need (at least one of) the SUPER, SYSTEM_VARIABLES_ADMIN or SESSION_VARIABLES_ADMIN privilege(s) for this operation   [Z3001] connection to database '​zabbix'​ failed: [1227] Access denied; you need (at least one of) the SUPER, SYSTEM_VARIABLES_ADMIN or SESSION_VARIABLES_ADMIN privilege(s) for this operation
  
-That is due to MySQL 8.0.0 starting to enforce special permissions for setting session variables. However, in 8.0.18 this behaviour ​was removed: [[https://​dev.mysql.com/​doc/​refman/​8.0/​en/​server-system-variables.html|As of MySQL 8.0.18, setting the session value of this system variable is no longer a restricted operation.]]+That is due to MySQL 8.0.0 starting to enforce special permissions for setting session variables. However, in 8.0.18 this behavior ​was removed: [[https://​dev.mysql.com/​doc/​refman/​8.0/​en/​server-system-variables.html|As of MySQL 8.0.18, setting the session value of this system variable is no longer a restricted operation.]]
  
 The workaround is based on granting additional privileges to the ''​zabbix''​ user: The workaround is based on granting additional privileges to the ''​zabbix''​ user:
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 === SNMP traps === === SNMP traps ===
  
-The %%"​net-snmp-perl"​%% package, needed for SNMP traps, has been removed in RHEL/CentOS 8. Please see [[https://​support.zabbix.com/​browse/​ZBX-17192|ZBX-17192]] for available workarounds.+The %%"​net-snmp-perl"​%% package, needed for SNMP traps, has been removed in RHEL/CentOS 8.0-8.2; re-added in RHEL 8.3.  
 + 
 +So if you are using RHEL 8.0-8.2, the best solution is to upgrade to RHEL 8.3; if you are using CentOS 8.0-8.2, you may wait for CentOS 8.3 or use a package from EPEL. 
 + 
 +Please ​also see [[https://​support.zabbix.com/​browse/​ZBX-17192|ZBX-17192]] for more information.
  
 === Alerter process crash in Centos/RHEL 7 === === Alerter process crash in Centos/RHEL 7 ===