[ZBX-19438] ERROR [file and function: <lld_item.c,lld_items_get>, revision:15ae5548ce, line:819] Something impossible has just happened. Created: 2021 May 23  Updated: 2023 Mar 14  Resolved: 2023 Mar 14

Status: Closed
Project: ZABBIX BUGS AND ISSUES
Component/s: Server (S)
Affects Version/s: 5.0.11, 5.0.28
Fix Version/s: None

Type: Problem report Priority: Blocker
Reporter: Andrey Assignee: Zabbix Development Team
Resolution: Duplicate Votes: 0
Labels: crash, lld
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Ubuntu 18.04
PostgreSQL 12.6 (Ubuntu 12.6-1.pgdg18.04+1)

Attachments: PNG File screenshot-1.png    
Issue Links:
Causes
Duplicate
duplicates ZBX-17116 ERROR [file:lld_item.c,line:866] Some... Closed

 Description   

After migrate from MySQL to PostgreSQL database & enable TimescaleDB plugin this message appear in zabbix_server.log with a frequency of 2-3 times per hour for 1000-1500 similar messages

zabbix_server [778]: ERROR [file and function: <lld_item.c,lld_items_get>, revision:15ae5548ce, line:819] Something impossible has just happened.
778:20210523:050314.247 11: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](zbx_backtrace+0x4e) [0x555599ee751b]
778:20210523:050314.247 10: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](+0x1461f9) [0x555599e3f1f9]
778:20210523:050314.247 9: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](lld_update_items+0x228) [0x555599e4c86d]
778:20210523:050314.247 8: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](lld_process_discovery_rule+0x501) [0x555599e2dbea]
778:20210523:050314.247 7: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](+0x131011) [0x555599e2a011]
778:20210523:050314.247 6: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](lld_worker_thread+0x373) [0x555599e2a763]
778:20210523:050314.247 5: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](zbx_thread_start+0x37) [0x555599ef7072]
778:20210523:050314.247 4: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](MAIN_ZABBIX_ENTRY+0xfdd) [0x555599d42a2d]
778:20210523:050314.247 3: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](daemon_start+0x2ff) [0x555599ee70ee]
778:20210523:050314.247 2: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](main+0x305) [0x555599d419f1]
778:20210523:050314.247 0: /usr/sbin/zabbix_server: lld worker #1 [processed 14 LLD rules, idle 5.422668 sec during 5.553918 sec](_start+0x2a) [0x555599d40a0a]

**

I tried follow steps from similar issues like https://support.zabbix.com/browse/ZBX-15502, but it doesn't work to me.

It seems that nothing has changed in the work of Zabbix, LLD works, but I do not understand why there are so many similar messages in the logs and how to fix it

Please help!

 Comments   
Comment by Oleksii Zagorskyi [ 2022 Apr 05 ]

There is also similar ZBX-17116.
This report could be duplicate, let's link it.

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