Fresh install of Zabbix 2.4 and seeing some errors in the log.
Any ideas on why this is happening? The DB is remote MySQL.
"MySQL server has gone away" is the most frequent one
1954:20150623:124231.929 [Z3005] query failed: [2006] MySQL server has gone away [select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_host id from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=1 where r.status=0 and (r.nextcheck<=1435077751 or r.nextcheck>1435077751+r.delay) and mod(r.druleid,1)=0]
1952:20150623:124300.906 [Z3005] query failed: [2006] MySQL server has gone away [select m.maintenanceid,m.maintenance_type,m.active_since, tp.timeperiod_type,tp.every,tp.month,tp.dayofweek, tp.day,tp.start_time,tp.period,tp.start_date from maintenances m,maintenances_windows mw,timeperiods tp where m.maintenanceid=mw.maintenanceid and mw.timeperiodid=tp.timeperiodid and m.active_since<=1435077780 and m.active_till>1435077780]
1936:20150623:124331.917 [Z3005] query failed: [2006] MySQL server has gone away [select refresh_unsupported,discovery_groupid,snmptrap_log ging,severity_name_0,severity_name_1,severity_name _2,severity_name_3,severity_name_4,severity_name_5 ,hk_events_mode,hk_events_trigger,hk_events_intern al,hk_events_discovery,hk_events_autoreg,hk_servic es_mode,hk_services,hk_audit_mode,hk_audit,hk_sess ions_mode,hk_sessions,hk_history_mode,hk_history_g lobal,hk_history,hk_trends_mode,hk_trends_global,h k_trends from config]
1954:20150623:124331.943 [Z3005] query failed: [2006] MySQL server has gone away [select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_host id from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=1 where r.status=0 and (r.nextcheck<=1435077811 or r.nextcheck>1435077811+r.delay) and mod(r.druleid,1)=0]
1939:20150623:124334.934 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1939:20150623:124334.943 Zabbix agent item "system.users.num" on host "Zabbix server" failed: first network error, wait for 15 seconds
1955:20150623:124336.916 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1957:20150623:124341.917 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1956:20150623:124346.919 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1956:20150623:124346.922 item "Zabbix server:zabbix[process,ipmi poller,avg,busy]" became not supported: No "ipmi poller" processes started.
1956:20150623:124346.922 item "Zabbix server:zabbix[process,java poller,avg,busy]" became not supported: No "java poller" processes started.
1943:20150623:124349.954 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1943:20150623:124349.963 Zabbix agent item "system.users.num" on host "Zabbix server" failed: another network error, wait for 15 seconds
1958:20150623:124351.921 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1958:20150623:124351.925 item "Zabbix server:zabbix[process,snmp trapper,avg,busy]" became not supported: No "snmp trapper" processes started.
1958:20150623:124351.925 item "Zabbix server:zabbix[process,vmware collector,avg,busy]" became not supported: No "vmware collector" processes started.
1955:20150623:124356.941 item "Zabbix server:zabbix[vmware,buffer,pfree]" became not supported: No "vmware collector" processes started.
1952:20150623:124400.928 [Z3005] query failed: [2006] MySQL server has gone away [select clock,ns,value from history_uint where itemid=23287 and clock<=1435077840 and clock>1435074240 order by clock desc limit 1]
1943:20150623:124404.975 Zabbix agent item "system.users.num" on host "Zabbix server" failed: another network error, wait for 15 seconds
1943:20150623:124419.986 temporarily disabling Zabbix agent checks on host "Zabbix server": host unavailable
1936:20150623:124431.940 [Z3005] query failed: [2006] MySQL server has gone away [select refresh_unsupported,discovery_groupid,snmptrap_log ging,severity_name_0,severity_name_1,severity_name _2,severity_name_3,severity_name_4,severity_name_5 ,hk_events_mode,hk_events_trigger,hk_events_intern al,hk_events_discovery,hk_events_autoreg,hk_servic es_mode,hk_services,hk_audit_mode,hk_audit,hk_sess ions_mode,hk_sessions,hk_history_mode,hk_history_g lobal,hk_history,hk_trends_mode,hk_trends_global,h k_trends from config]
1954:20150623:124431.960 [Z3005] query failed: [2006] MySQL server has gone away [select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_host id from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=1 where r.status=0 and (r.nextcheck<=1435077871 or r.nextcheck>1435077871+r.delay) and mod(r.druleid,1)=0]
1936:20150623:124531.962 [Z3005] query failed: [2006] MySQL server has gone away [select refresh_unsupported,discovery_groupid,snmptrap_log ging,severity_name_0,severity_name_1,severity_name _2,severity_name_3,severity_name_4,severity_name_5 ,hk_events_mode,hk_events_trigger,hk_events_intern al,hk_events_discovery,hk_events_autoreg,hk_servic es_mode,hk_services,hk_audit_mode,hk_audit,hk_sess ions_mode,hk_sessions,hk_history_mode,hk_history_g lobal,hk_history,hk_trends_mode,hk_trends_global,h k_trends from config]
1954:20150623:124531.978 [Z3005] query failed: [2006] MySQL server has gone away [select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_host id from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=1 where r.status=0 and (r.nextcheck<=1435077931 or r.nextcheck>1435077931+r.delay) and mod(r.druleid,1)=0]
1958:20150623:124541.983 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
Any ideas on why this is happening? The DB is remote MySQL.
"MySQL server has gone away" is the most frequent one
1954:20150623:124231.929 [Z3005] query failed: [2006] MySQL server has gone away [select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_host id from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=1 where r.status=0 and (r.nextcheck<=1435077751 or r.nextcheck>1435077751+r.delay) and mod(r.druleid,1)=0]
1952:20150623:124300.906 [Z3005] query failed: [2006] MySQL server has gone away [select m.maintenanceid,m.maintenance_type,m.active_since, tp.timeperiod_type,tp.every,tp.month,tp.dayofweek, tp.day,tp.start_time,tp.period,tp.start_date from maintenances m,maintenances_windows mw,timeperiods tp where m.maintenanceid=mw.maintenanceid and mw.timeperiodid=tp.timeperiodid and m.active_since<=1435077780 and m.active_till>1435077780]
1936:20150623:124331.917 [Z3005] query failed: [2006] MySQL server has gone away [select refresh_unsupported,discovery_groupid,snmptrap_log ging,severity_name_0,severity_name_1,severity_name _2,severity_name_3,severity_name_4,severity_name_5 ,hk_events_mode,hk_events_trigger,hk_events_intern al,hk_events_discovery,hk_events_autoreg,hk_servic es_mode,hk_services,hk_audit_mode,hk_audit,hk_sess ions_mode,hk_sessions,hk_history_mode,hk_history_g lobal,hk_history,hk_trends_mode,hk_trends_global,h k_trends from config]
1954:20150623:124331.943 [Z3005] query failed: [2006] MySQL server has gone away [select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_host id from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=1 where r.status=0 and (r.nextcheck<=1435077811 or r.nextcheck>1435077811+r.delay) and mod(r.druleid,1)=0]
1939:20150623:124334.934 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1939:20150623:124334.943 Zabbix agent item "system.users.num" on host "Zabbix server" failed: first network error, wait for 15 seconds
1955:20150623:124336.916 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1957:20150623:124341.917 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1956:20150623:124346.919 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1956:20150623:124346.922 item "Zabbix server:zabbix[process,ipmi poller,avg,busy]" became not supported: No "ipmi poller" processes started.
1956:20150623:124346.922 item "Zabbix server:zabbix[process,java poller,avg,busy]" became not supported: No "java poller" processes started.
1943:20150623:124349.954 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1943:20150623:124349.963 Zabbix agent item "system.users.num" on host "Zabbix server" failed: another network error, wait for 15 seconds
1958:20150623:124351.921 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
1958:20150623:124351.925 item "Zabbix server:zabbix[process,snmp trapper,avg,busy]" became not supported: No "snmp trapper" processes started.
1958:20150623:124351.925 item "Zabbix server:zabbix[process,vmware collector,avg,busy]" became not supported: No "vmware collector" processes started.
1955:20150623:124356.941 item "Zabbix server:zabbix[vmware,buffer,pfree]" became not supported: No "vmware collector" processes started.
1952:20150623:124400.928 [Z3005] query failed: [2006] MySQL server has gone away [select clock,ns,value from history_uint where itemid=23287 and clock<=1435077840 and clock>1435074240 order by clock desc limit 1]
1943:20150623:124404.975 Zabbix agent item "system.users.num" on host "Zabbix server" failed: another network error, wait for 15 seconds
1943:20150623:124419.986 temporarily disabling Zabbix agent checks on host "Zabbix server": host unavailable
1936:20150623:124431.940 [Z3005] query failed: [2006] MySQL server has gone away [select refresh_unsupported,discovery_groupid,snmptrap_log ging,severity_name_0,severity_name_1,severity_name _2,severity_name_3,severity_name_4,severity_name_5 ,hk_events_mode,hk_events_trigger,hk_events_intern al,hk_events_discovery,hk_events_autoreg,hk_servic es_mode,hk_services,hk_audit_mode,hk_audit,hk_sess ions_mode,hk_sessions,hk_history_mode,hk_history_g lobal,hk_history,hk_trends_mode,hk_trends_global,h k_trends from config]
1954:20150623:124431.960 [Z3005] query failed: [2006] MySQL server has gone away [select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_host id from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=1 where r.status=0 and (r.nextcheck<=1435077871 or r.nextcheck>1435077871+r.delay) and mod(r.druleid,1)=0]
1936:20150623:124531.962 [Z3005] query failed: [2006] MySQL server has gone away [select refresh_unsupported,discovery_groupid,snmptrap_log ging,severity_name_0,severity_name_1,severity_name _2,severity_name_3,severity_name_4,severity_name_5 ,hk_events_mode,hk_events_trigger,hk_events_intern al,hk_events_discovery,hk_events_autoreg,hk_servic es_mode,hk_services,hk_audit_mode,hk_audit,hk_sess ions_mode,hk_sessions,hk_history_mode,hk_history_g lobal,hk_history,hk_trends_mode,hk_trends_global,h k_trends from config]
1954:20150623:124531.978 [Z3005] query failed: [2006] MySQL server has gone away [select distinct r.druleid,r.iprange,r.name,c.dcheckid,r.proxy_host id from drules r left join dchecks c on c.druleid=r.druleid and c.uniq=1 where r.status=0 and (r.nextcheck<=1435077931 or r.nextcheck>1435077931+r.delay) and mod(r.druleid,1)=0]
1958:20150623:124541.983 [Z3005] query failed: [2006] MySQL server has gone away [begin;]