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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-16320

Zabbix server service going to DEFUNCT state "[zabbix_server] <defunct>"

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    • Icon: Patch request Patch request
    • Resolution: Workaround proposed
    • Icon: Blocker Blocker
    • None
    • 4.0.9
    • Server (S)
    • None
    • Prod

      Hi,

      Frequently i can see "zabbix server is not running the information displayed may not be current" message in my GUI. while checking on GUI 'Zabbix server is running' showing as 'NO'. While checking on server i can see service is running

      [root@zbx_server1v ~]# *systemctl status zabbix-server.service* 
      ● zabbix-server.service - Zabbix Server
         Loaded: loaded (/usr/lib/systemd/system/zabbix-server.service; enabled; vendor preset: disabled)
         Active: active (running) since Mon 2019-07-01 04:57:25 CDT; 8min ago
        Process: 122746 ExecStop=/bin/kill -SIGTERM $MAINPID (code=exited, status=1/FAILURE)
        Process: 122762 ExecStart=/usr/sbin/zabbix_server -c $CONFFILE (code=exited, status=0/SUCCESS)
       Main PID: 122764 (zabbix_server)
          Tasks: 54
         CGroup: /system.slice/zabbix-server.service
                 ├─122764 /usr/sbin/zabbix_server -c /etc/zabbix/zabbix_server.conf
                 └─122772 /usr/sbin/zabbix_server: configuration syncer [synced configuration in 1561975476.819242 sec, syncing configuration]
      
      Jul 01 04:57:25 zbx_server1v.localhost.com systemd[1]: Starting Zabbix Server...
      Jul 01 04:57:25 zbx_server1v.localhost.com systemd[1]: zabbix-server.service: Supervising process 122764 which is not our child. We'll most likely not notice when it exits.
      Jul 01 04:57:25 zbx_server1v.localhost.com systemd[1]: Started Zabbix Server.
      Warning: zabbix-server.service changed on disk. Run 'systemctl daemon-reload' to reload units.
      [root@zbx_server1 ~]#
      

      but process are showing in "defunct" state. Every time i've to stop & restart service to get the same fixed. But after some times it's again going to "defunct" state.

      [root@zbx_server1 ~]# ps -ef|grep zabbix_server
      zabbix   122764      1  0 04:57 ?        00:00:01 /usr/sbin/zabbix_server -c /etc/zabbix/zabbix_server.conf
      zabbix   122772 122764  1 04:57 ?        00:00:06 /usr/sbin/zabbix_server: configuration syncer [synced configuration in 1561975476.819242 sec, syncing configuration]
      zabbix   122773 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122774 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122775 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122776 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122777 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122778 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122779 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122781 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122783 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122785 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122787 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122789 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122791 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122792 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122793 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122794 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122797 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122798 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122800 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122802 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122804 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122806 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122809 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122811 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122813 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122815 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122817 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122818 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122820 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122821 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122823 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122825 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122827 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122828 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122829 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122830 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122831 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122832 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122833 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122834 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122835 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122836 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122837 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122838 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122839 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122840 122764  0 04:57 ?        00:00:01 [zabbix_server] <defunct>
      zabbix   122841 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122842 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122843 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122844 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122845 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      zabbix   122846 122764  0 04:57 ?        00:00:00 [zabbix_server] <defunct>
      root     123746 123715  0 05:05 pts/6    00:00:00 grep --color=auto zabbix_server
      [root@zbx_server1 ~]#
      

      Zabbix Server Log shows like below

      [root@zbx_server1v ~]# vi /var/log/zabbix/zabbix_server.log
      
      121959:20190701:045715.470 11: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](+0xb75f0) [0x56060b6565f0]
      121959:20190701:045715.470 10: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](+0xb8663) [0x56060b657663]
      121959:20190701:045715.470 9: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](+0xb8926) [0x56060b657926]
      121959:20190701:045715.470 8: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](+0xbd5ea) [0x56060b65c5ea]
      121959:20190701:045715.470 7: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](zbx_sync_history_cache+0x8a) [0x56060b65ce40]
      121959:20190701:045715.470 6: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](dbsyncer_thread+0x1ca) [0x56060b5dff3a]
      121959:20190701:045715.470 5: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](zbx_thread_start+0x37) [0x56060b6a3c3c]
      121959:20190701:045715.470 4: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](MAIN_ZABBIX_ENTRY+0xbb3) [0x56060b5d8f70]
      121959:20190701:045715.470 3: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](daemon_start+0x31b) [0x56060b695e5a]
      121959:20190701:045715.470 2: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](main+0x312) [0x56060b5d83bb]
      121959:20190701:045715.470 1: /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f603a184b55]
      121959:20190701:045715.470 0: /usr/sbin/zabbix_server: history syncer #10 [processed 2 values, 2 triggers in 0.001238 sec, syncing history](+0x38529) [0x56060b5d7529]
      121928:20190701:045715.474 One child process died (PID:121959,exitcode/signal:1). Exiting ...
      zabbix_server [121928]: Error waiting for process with PID 121959: [10] No child processes
      121928:20190701:045715.591 syncing history data...
      121928:20190701:045715.598 __mem_malloc: skipped 0 asked 72 skip_min 18446744073709551615 skip_max 0
      121928:20190701:045715.598 [file:dbcache.c,line:4140] zbx_mem_malloc(): out of memory (requested 72 bytes)
      121928:20190701:045715.598 [file:dbcache.c,line:4140] zbx_mem_malloc(): please increase TrendCacheSize configuration parameter
      121928:20190701:045715.598 === memory statistics for trend cache ===
      121928:20190701:045715.598 free chunks of size     24 bytes:        2
      121928:20190701:045715.598 free chunks of size     32 bytes:        2
      121928:20190701:045715.599 free chunks of size     40 bytes:        2
      121928:20190701:045715.599 free chunks of size     48 bytes:        4
      121928:20190701:045715.599 free chunks of size     56 bytes:        1
      121928:20190701:045715.599 free chunks of size     64 bytes:        1
      121928:20190701:045715.599 min chunk size:         24 bytes
      121928:20190701:045715.599 max chunk size:         64 bytes
      121928:20190701:045715.599 memory of total size 4193928 bytes fragmented into 41421 chunks
      121928:20190701:045715.599 of those,        504 bytes are in       12 free chunks
      121928:20190701:045715.599 of those,    3530704 bytes are in    41409 used chunks
      121928:20190701:045715.599 ================================
      121928:20190701:045715.599 === Backtrace: ===
      121928:20190701:045715.599 20: /usr/sbin/zabbix_server(zbx_backtrace+0x35) [0x56060b696609]
      121928:20190701:045715.599 19: /usr/sbin/zabbix_server(__zbx_mem_malloc+0x163) [0x56060b692040]
      121928:20190701:045715.599 18: /usr/sbin/zabbix_server(+0xbf879) [0x56060b65e879]
      121928:20190701:045715.599 17: /usr/sbin/zabbix_server(zbx_hashset_insert_ext+0x12e) [0x56060b69b843]
      121928:20190701:045715.599 16: /usr/sbin/zabbix_server(zbx_hashset_insert+0x2d) [0x56060b69b713]
      121928:20190701:045715.599 15: /usr/sbin/zabbix_server(+0xb75f0) [0x56060b6565f0]
      121928:20190701:045715.599 14: /usr/sbin/zabbix_server(+0xb8663) [0x56060b657663]
      121928:20190701:045715.599 13: /usr/sbin/zabbix_server(+0xb8926) [0x56060b657926]
      121928:20190701:045715.599 12: /usr/sbin/zabbix_server(+0xbd5ea) [0x56060b65c5ea]
      121928:20190701:045715.599 11: /usr/sbin/zabbix_server(+0xbdca8) [0x56060b65cca8]
      121928:20190701:045715.599 10: /usr/sbin/zabbix_server(+0xbfcd7) [0x56060b65ecd7]
      121928:20190701:045715.599 9: /usr/sbin/zabbix_server(free_database_cache+0x35) [0x56060b65ed3d]
      121928:20190701:045715.599 8: /usr/sbin/zabbix_server(zbx_on_exit+0x8f) [0x56060b5d9354]
      121928:20190701:045715.599 7: /usr/sbin/zabbix_server(+0xf7f19) [0x56060b696f19]
      121928:20190701:045715.599 6: /lib64/libpthread.so.0(+0xf290) [0x7f603b324290]
      121928:20190701:045715.599 5: /lib64/libpthread.so.0(__wait+0x22) [0x7f603b323d62]
      121928:20190701:045715.599 4: /usr/sbin/zabbix_server(MAIN_ZABBIX_ENTRY+0xed5) [0x56060b5d9292]
      121928:20190701:045715.599 3: /usr/sbin/zabbix_server(daemon_start+0x31b) [0x56060b695e5a]
      121928:20190701:045715.599 2: /usr/sbin/zabbix_server(main+0x312) [0x56060b5d83bb]
      121928:20190701:045715.599 1: /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f603a184b55]
      121928:20190701:045715.600 0: /usr/sbin/zabbix_server(+0x38529) [0x56060b5d7529]
      122764:20190701:045725.708 Starting Zabbix Server. Zabbix 4.0.6 (revision 91685).
      122764:20190701:045725.708 ****** Enabled features ******
      122764:20190701:045725.708 SNMP monitoring:           YES
      122764:20190701:045725.708 IPMI monitoring:           YES
      122764:20190701:045725.708 Web monitoring:            YES
      122764:20190701:045725.708 VMware monitoring:         YES
      122764:20190701:045725.708 SMTP authentication:       YES
      122764:20190701:045725.708 Jabber notifications:      YES
      122764:20190701:045725.708 Ez Texting notifications:  YES
      122764:20190701:045725.708 ODBC:                      YES
      122764:20190701:045725.708 SSH2 support:              YES
      122764:20190701:045725.708 IPv6 support:              YES
      122764:20190701:045725.708 TLS support:               YES
      122764:20190701:045725.708 ******************************
      122764:20190701:045725.708 using configuration file: /etc/zabbix/zabbix_server.conf
      122764:20190701:045725.719 current database version (mandatory/optional): 04000000/04000003
      122764:20190701:045725.719 required mandatory version: 04000000
      122764:20190701:045727.799 server #0 started [main process]
      122772:20190701:045727.800 server #1 started [configuration syncer #1]
      122773:20190701:045727.800 server #2 started [alerter #1]
      122774:20190701:045727.800 server #3 started [alerter #2]
      122775:20190701:045727.801 server #4 started [alerter #3]
      122776:20190701:045727.801 server #5 started [housekeeper #1]
      122777:20190701:045727.801 server #6 started [timer #1]
      122778:20190701:045727.802 server #7 started [http poller #1]
      122779:20190701:045727.802 server #8 started [discoverer #1]
      122781:20190701:045727.803 server #9 started [history syncer #1]
      122783:20190701:045727.803 server #10 started [history syncer #2]
      122785:20190701:045727.804 server #11 started [history syncer #3]
      122787:20190701:045727.805 server #12 started [history syncer #4]
      122793:20190701:045727.807 server #16 started [history syncer #8]
      122792:20190701:045727.808 server #15 started [history syncer #7]
      122795:20190701:045727.808 server #18 started [history syncer #10]
      122797:20190701:045727.808 server #19 started [history syncer #11]
      122798:20190701:045727.809 server #20 started [history syncer #12]
      122789:20190701:045727.809 server #13 started [history syncer #5]
      122794:20190701:045727.809 server #17 started [history syncer #9]
      122800:20190701:045727.810 server #21 started [history syncer #13]
      122802:20190701:045727.810 server #22 started [history syncer #14]
      122804:20190701:045727.811 server #23 started [history syncer #15]
      122791:20190701:045727.811 server #14 started [history syncer #6]
      122809:20190701:045727.813 server #25 started [proxy poller #1]
      122811:20190701:045727.814 server #26 started [self-monitoring #1]
      122806:20190701:045727.815 server #24 started [escalator #1]
      122813:20190701:045727.816 server #27 started [task manager #1]
      122817:20190701:045727.816 server #29 started [poller #2]
      122815:20190701:045727.817 server #28 started [poller #1]
      122820:20190701:045727.818 server #31 started [poller #4]
      122818:20190701:045727.819 server #30 started [poller #3]
      122821:20190701:045727.819 server #32 started [poller #5]
      122830:20190701:045727.820 server #38 started [poller #11]
      122833:20190701:045727.826 server #41 started [poller #14]
      122823:20190701:045727.827 server #33 started [poller #6]
      122837:20190701:045727.829 server #45 started [trapper #2]
      122832:20190701:045727.831 server #40 started [poller #13]
      122825:20190701:045727.836 server #34 started [poller #7]
      122842:20190701:045727.836 server #50 started [alert manager #1]
      122831:20190701:045727.839 server #39 started [poller #12]
      122829:20190701:045727.840 server #37 started [poller #10]
      122840:20190701:045727.840 server #48 started [trapper #5]
      122835:20190701:045727.841 server #43 started [unreachable poller #1]
      122834:20190701:045727.846 server #42 started [poller #15]
      122828:20190701:045727.847 server #36 started [poller #9]
      122839:20190701:045727.848 server #47 started [trapper #4]
      122827:20190701:045727.851 server #35 started [poller #8]
      122838:20190701:045727.851 server #46 started [trapper #3]
      122841:20190701:045727.854 server #49 started [icmp pinger #1]
      122843:20190701:045727.858 server #51 started [preprocessing manager #1]
      122836:20190701:045727.861 server #44 started [trapper #1]
      122845:20190701:045728.132 server #53 started [preprocessing worker #2]
      122844:20190701:045728.140 server #52 started [preprocessing worker #1]
      122846:20190701:045728.140 server #54 started [preprocessing worker #3]
      122836:20190701:045856.846 cannot send list of active checks to "xxx.xxx.xxx.xxx": host [zbx_server1.localhost.com] not found
      122793:20190701:045905.986 item "xxxx:xen.service" became not supported: Timeout while executing a shell script.
      122836:20190701:045912.730 sending configuration data to proxy "PROXY SERVER 1" at "xxx.xxx.xxx.xxx", datalen 10522445
      122840:20190701:050018.153 sending configuration data to proxy "PROXY SERVER 2" at "xxx.xxx.xxx.xxx", datalen 15998031
      122838:20190701:050056.861 cannot send list of active checks to "xxx.xxx.xxx.xxx": host [zbx_server1.localhost.com] not found
      122836:20190701:050256.876 cannot send list of active checks to "xxx.xxx.xxx.xxx": host [zbx_server1.localhost.com] not found
      122795:20190701:050437.703 __mem_malloc: skipped 0 asked 72 skip_min 18446744073709551615 skip_max 0
      122795:20190701:050437.703 [file:dbcache.c,line:4140] zbx_mem_malloc(): out of memory (requested 72 bytes)
      122795:20190701:050437.703 [file:dbcache.c,line:4140] zbx_mem_malloc(): please increase TrendCacheSize configuration parameter
      122795:20190701:050437.703 === memory statistics for trend cache ===
      122795:20190701:050437.703 free chunks of size     24 bytes:        2
      122795:20190701:050437.703 free chunks of size     32 bytes:        2
      122795:20190701:050437.703 free chunks of size     40 bytes:        2
      122795:20190701:050437.703 free chunks of size     48 bytes:        4
      122795:20190701:050437.703 free chunks of size     56 bytes:        1
      122795:20190701:050437.703 free chunks of size     64 bytes:        1
      122795:20190701:050437.703 min chunk size:         24 bytes
      122795:20190701:050437.703 max chunk size:         64 bytes
      122795:20190701:050437.703 memory of total size 4193928 bytes fragmented into 41421 chunks
      122795:20190701:050437.703 of those,        504 bytes are in       12 free chunks
      122795:20190701:050437.703 of those,    3530704 bytes are in    41409 used chunks
      122795:20190701:050437.703 ================================
      122795:20190701:050437.703 === Backtrace: ===
      122795:20190701:050437.704 16: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](zbx_backtrace+0x35) [0x561bb678e609]
      122795:20190701:050437.704 15: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](__zbx_mem_malloc+0x163) [0x561bb678a040]
      122795:20190701:050437.704 14: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](+0xbf879) [0x561bb6756879]
      122795:20190701:050437.704 13: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](zbx_hashset_insert_ext+0x12e) [0x561bb6793843]
      122795:20190701:050437.704 12: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](zbx_hashset_insert+0x2d) [0x561bb6793713]
      122795:20190701:050437.704 11: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](+0xb75f0) [0x561bb674e5f0]
      122795:20190701:050437.704 10: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](+0xb8663) [0x561bb674f663]
      122795:20190701:050437.704 9: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](+0xb8926) [0x561bb674f926]
      122795:20190701:050437.704 8: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](+0xbd5ea) [0x561bb67545ea]
      122795:20190701:050437.704 7: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](zbx_sync_history_cache+0x8a) [0x561bb6754e40]
      122795:20190701:050437.704 6: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](dbsyncer_thread+0x1ca) [0x561bb66d7f3a]
      122795:20190701:050437.704 5: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](zbx_thread_start+0x37) [0x561bb679bc3c]
      122795:20190701:050437.704 4: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](MAIN_ZABBIX_ENTRY+0xbb3) [0x561bb66d0f70]
      122795:20190701:050437.704 3: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](daemon_start+0x31b) [0x561bb678de5a]
      122795:20190701:050437.704 2: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](main+0x312) [0x561bb66d03bb]
      122795:20190701:050437.704 1: /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fe2345a3b55]
      122795:20190701:050437.704 0: /usr/sbin/zabbix_server: history syncer #10 [processed 0 values, 0 triggers in 0.000013 sec, syncing history](+0x38529) [0x561bb66cf529]
      122764:20190701:050437.707 One child process died (PID:122795,exitcode/signal:1). Exiting ...
      

      Kindly suggest how can i fixed the same.
      Thanks for your kind help.

      OS: OEL - 7
      Zabbix : zabbix-server-pgsql-4.0.6-1.el7.x86_64
      zabbix-web-pgsql-4.0.6-1.el7.noarch
      zabbix-web-4.0.6-1.el7.noarch
      Proxy : 2
      PHP 5.4.16
      PostgreSQL : 11

            agavrilovs Aleksandrs Petrovs-Gavrilovs
            saumyajit Saumyajit Pramanik
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              Created:
              Updated:
              Resolved: