zabbix界面上无数据日志报错connection to database 'zabbix' failed:

admin

7580:20210917:145626.898 using configuration file: /etc/zabbix/zabbix_server.conf
  7580:20210917:145626.903 [Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'zabbix-monitor.novalocal' (using password: YES)
  7580:20210917:145626.903 database is down: reconnecting in 10 seconds
  7580:20210917:145636.904 [Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'zabbix-monitor.novalocal' (using password: YES)
0 I! Y) `/ X8 e4 {  7580:20210917:145636.904 database is down: reconnecting in 10 seconds
  7580:20210917:145646.904 [Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'zabbix-monitor.novalocal' (using password: YES)
2 L: Q' f) f/ K  7580:20210917:145646.905 database is down: reconnecting in 10 seconds
  7580:20210917:145656.905 [Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'zabbix-monitor.novalocal' (using password: YES)
  7580:20210917:145656.905 database is down: reconnecting in 10 seconds
  7580:20210917:145706.906 [Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'zabbix-monitor.novalocal' (using password: YES)
  7580:20210917:145706.907 database is down: reconnecting in 10 seconds
* [) m" j* S3 V" U( z/ b  7580:20210917:145716.907 [Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'zabbix-monitor.novalocal' (using password: YES)
% c8 q" I, ]6 S3 K  7580:20210917:145716.907 database is down: reconnecting in 10 seconds
" R0 l+ J# Q2 Y) U  v- `  F  7580:20210917:145726.908 [Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'zabbix-monitor.novalocal' (using password: YES)
, d" |- S, F8 f  7580:20210917:145726.908 database is down: reconnecting in 10 seconds
5 O- J2 i- d* Q4 o; o  7580:20210917:145736.910 [Z3001] connection to database 'zabbix' failed: [1045] Access denied for user 'zabbix'@'zabbix-monitor.novalocal' (using password: YES)
  7580:20210917:145736.910 database is down: reconnecting in 10 seconds
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日志一直报错，解决办法：

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+ e3 \' r5 l! t# F数据库添加权限：
* F% C; L3 h6 h, b7 Mgrant ALL PRIVILEGES on zabbix.* to "zabbix"@"zabbix-monitor.novalocal" Identified by "zabbix";
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admin

问题解决：
: M& P+ e0 u7 l: X如日志所示：
7580:20210917:150726.962 database connection re-established
  7580:20210917:150726.963 current database version (mandatory/optional): 03040000/03040007
6 t$ N; j& B7 Q$ R; m5 J! r  7580:20210917:150726.963 required mandatory version: 03040000
  7580:20210917:150726.979 server #0 started [main process]
3 ~$ T' W* l' }( a( O  7738:20210917:150726.980 server #1 started [configuration syncer #1]
: H& q. r; ?% ~2 {. C' F$ t  7739:20210917:150726.980 server #2 started [alerter #1]
  7740:20210917:150726.981 server #3 started [alerter #2]
) u) `! s* W! F! i5 D0 P  7741:20210917:150726.981 server #4 started [alerter #3]
  7742:20210917:150726.981 server #5 started [housekeeper #1]
  7743:20210917:150726.982 server #6 started [timer #1]
  7744:20210917:150726.982 server #7 started [http poller #1]
' L0 Q5 x% `1 ]; W5 H) o" V  7747:20210917:150726.983 server #8 started [discoverer #1]
2 C+ `0 _& o2 ^5 Q6 q/ [+ I+ H  7748:20210917:150726.984 server #9 started [history syncer #1]
! ?! c) ?" `3 W6 Z1 c  7750:20210917:150726.985 server #10 started [history syncer #2]
" Z* z' h$ Q  ^; m" v1 H1 K8 P+ @" d  7751:20210917:150726.985 server #11 started [history syncer #3]
  7755:20210917:150726.986 server #13 started [escalator #1]
1 r& j* c% t8 [8 a% b6 w  F1 k  7753:20210917:150726.986 server #12 started [history syncer #4]
  7756:20210917:150726.986 server #14 started [proxy poller #1]
  7759:20210917:150726.987 server #16 started [task manager #1]
# m9 h1 d; M. v, A! k. P$ t0 J; \  7760:20210917:150726.988 server #17 started [poller #1]
8 g' ~" D" e7 H8 L1 R6 H  7765:20210917:150726.990 server #21 started [poller #5]
, t& g  E' U- ]) ^7 U  \6 s. @  7762:20210917:150726.990 server #18 started [poller #2]
5 b/ T" i4 }8 n  7764:20210917:150726.990 server #20 started [poller #4]
* y2 P) C- [# y' m" o: Y5 K  7768:20210917:150726.993 server #23 started [trapper #1]
  7770:20210917:150726.993 server #25 started [trapper #3]
9 ~2 r, V" d. K# U) R8 z6 c; R  7771:20210917:150726.994 server #26 started [trapper #4]
! f/ v4 I) }+ |2 |( T; ~% r/ Y  Y0 ~4 U  7774:20210917:150726.995 server #29 started [alert manager #1]
4 O% M" {* J% E  7769:20210917:150726.996 server #24 started [trapper #2]
% y' ]" `3 r& v5 J. _0 a( ~  7766:20210917:150726.997 server #22 started [unreachable poller #1]
' W, L: x( Y5 o3 {. @* O  7773:20210917:150726.997 server #28 started [icmp pinger #1]
# D4 @* ~$ ?6 g  7776:20210917:150726.997 server #30 started [preprocessing manager #1]
  7763:20210917:150726.998 server #19 started [poller #3]
  7757:20210917:150726.999 server #15 started [self-monitoring #1]
+ I# L  v3 C0 Y3 [# e  7772:20210917:150726.999 server #27 started [trapper #5]
  7777:20210917:150727.093 server #31 started [preprocessing worker #1]
  7778:20210917:150727.094 server #32 started [preprocessing worker #2]
. d8 c8 `$ u" M! M( C( ~; V+ {  7779:20210917:150727.094 server #33 started [preprocessing worker #3]
1 P$ x8 Z: o! d; ^+ y7 w; Y  7760:20210917:150730.194 Zabbix agent item "system.users.num" on host "10.144.106.6" failed: first network error, wait for 15 seconds
* z- u8 o: t3 y2 Y7 W6 v" }  7762:20210917:150744.196 Zabbix agent item "agent.ping" on host "10.144.108.9" failed: first network error, wait for 15 seconds
( ^! l0 O' f7 }, D, M8 X& ^  7766:20210917:150830.258 temporarily disabling Zabbix agent checks on host "10.144.106.6": host unavailable
  7770:20210917:150835.682 cannot send list of active checks to "10.144.108.9": host [zbbix-agent] not found
+ e+ s" Q$ ?; C  7766:20210917:150844.264 temporarily disabling Zabbix agent checks on host "10.144.108.9": host unavailable
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