25737:20180228:121445.545 Starting Zabbix Server. Zabbix 3.4.7 (revision 77720).
 25737:20180228:121445.545 ****** Enabled features ******
 25737:20180228:121445.545 SNMP monitoring:           YES
 25737:20180228:121445.545 IPMI monitoring:           YES
 25737:20180228:121445.546 Web monitoring:            YES
 25737:20180228:121445.546 VMware monitoring:         YES
 25737:20180228:121445.546 SMTP authentication:       YES
 25737:20180228:121445.546 Jabber notifications:      YES
 25737:20180228:121445.546 Ez Texting notifications:  YES
 25737:20180228:121445.546 ODBC:                      YES
 25737:20180228:121445.546 SSH2 support:              YES
 25737:20180228:121445.546 IPv6 support:              YES
 25737:20180228:121445.546 TLS support:               YES
 25737:20180228:121445.546 ******************************
 25737:20180228:121445.546 using configuration file: /etc/zabbix/zabbix_server.conf
 25737:20180228:121445.563 current database version (mandatory/optional): 02040000/02040000
 25737:20180228:121445.563 required mandatory version: 03040000
 25737:20180228:121445.563 optional patches were found
 25737:20180228:121445.563 starting automatic database upgrade
 25737:20180228:121445.603 completed 0% of database upgrade
 25737:20180228:121447.704 completed 1% of database upgrade
 25737:20180228:121449.610 completed 2% of database upgrade
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 25737:20180228:121453.001 completed 14% of database upgrade
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 25737:20180228:121453.545 completed 19% of database upgrade
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 25737:20180228:121454.289 completed 27% of database upgrade
 25737:20180228:121454.297 completed 28% of database upgrade
 25737:20180228:121454.297 [Z3005] query failed: [1091] Can't DROP 'history_log_2'; check that column/key exists [drop index history_log_2 on history_log]
 25737:20180228:121454.297 database upgrade failed
 25830:20180228:121504.360 Starting Zabbix Server. Zabbix 3.4.7 (revision 77720).
 25830:20180228:121504.360 ****** Enabled features ******
 25830:20180228:121504.360 SNMP monitoring:           YES
 25830:20180228:121504.360 IPMI monitoring:           YES
 25830:20180228:121504.360 Web monitoring:            YES
 25830:20180228:121504.360 VMware monitoring:         YES
 25830:20180228:121504.360 SMTP authentication:       YES
 25830:20180228:121504.360 Jabber notifications:      YES
 25830:20180228:121504.360 Ez Texting notifications:  YES
 25830:20180228:121504.360 ODBC:                      YES
 25830:20180228:121504.360 SSH2 support:              YES
 25830:20180228:121504.360 IPv6 support:              YES
 25830:20180228:121504.360 TLS support:               YES
 25830:20180228:121504.360 ******************************
 25830:20180228:121504.360 using configuration file: /etc/zabbix/zabbix_server.conf
 25830:20180228:121504.372 current database version (mandatory/optional): 03000000/03000000
 25830:20180228:121504.372 required mandatory version: 03040000
 25830:20180228:121504.372 optional patches were found
 25830:20180228:121504.372 starting automatic database upgrade
 25830:20180228:121504.373 [Z3005] query failed: [1091] Can't DROP 'history_log_2'; check that column/key exists [drop index history_log_2 on history_log]
 25830:20180228:121504.373 database upgrade failed
 25837:20180228:121514.613 Starting Zabbix Server. Zabbix 3.4.7 (revision 77720).
 25837:20180228:121514.613 ****** Enabled features ******
 25837:20180228:121514.613 SNMP monitoring:           YES
 25837:20180228:121514.613 IPMI monitoring:           YES
 25837:20180228:121514.613 Web monitoring:            YES
 25837:20180228:121514.613 VMware monitoring:         YES
 25837:20180228:121514.613 SMTP authentication:       YES
 25837:20180228:121514.613 Jabber notifications:      YES
 25837:20180228:121514.613 Ez Texting notifications:  YES
 25837:20180228:121514.613 ODBC:                      YES
 25837:20180228:121514.613 SSH2 support:              YES
 25837:20180228:121514.613 IPv6 support:              YES
 25837:20180228:121514.613 TLS support:               YES
 25837:20180228:121514.613 ******************************
 25837:20180228:121514.613 using configuration file: /etc/zabbix/zabbix_server.conf
 25837:20180228:121514.625 current database version (mandatory/optional): 03000000/03000000
 25837:20180228:121514.625 required mandatory version: 03040000
 25837:20180228:121514.625 optional patches were found
 25837:20180228:121514.625 starting automatic database upgrade
 25837:20180228:121514.626 [Z3005] query failed: [1091] Can't DROP 'history_log_2'; check that column/key exists [drop index history_log_2 on history_log]
 25837:20180228:121514.626 database upgrade failed
 25844:20180228:121524.864 Starting Zabbix Server. Zabbix 3.4.7 (revision 77720).
 25844:20180228:121524.864 ****** Enabled features ******
 25844:20180228:121524.864 SNMP monitoring:           YES
 25844:20180228:121524.864 IPMI monitoring:           YES
 25844:20180228:121524.864 Web monitoring:            YES
 25844:20180228:121524.864 VMware monitoring:         YES
 25844:20180228:121524.864 SMTP authentication:       YES
 25844:20180228:121524.864 Jabber notifications:      YES
 25844:20180228:121524.864 Ez Texting notifications:  YES
 25844:20180228:121524.865 ODBC:                      YES
 25844:20180228:121524.865 SSH2 support:              YES
 25844:20180228:121524.865 IPv6 support:              YES
 25844:20180228:121524.865 TLS support:               YES
 25844:20180228:121524.865 ******************************
 25844:20180228:121524.865 using configuration file: /etc/zabbix/zabbix_server.conf
 25844:20180228:121524.876 current database version (mandatory/optional): 03000000/03000000
 25844:20180228:121524.876 required mandatory version: 03040000
 25844:20180228:121524.876 optional patches were found
 25844:20180228:121524.876 starting automatic database upgrade
 25844:20180228:121524.877 [Z3005] query failed: [1091] Can't DROP 'history_log_2'; check that column/key exists [drop index history_log_2 on history_log]
 25844:20180228:121524.877 database upgrade failed