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Problem report
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Resolution: Fixed
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Critical
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6.0.12, 6.2.6, 6.4.0beta4
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RHEL 8.7
LTS 6.0
PgSQL 14.6
TSDB 2.8.1
OpenSSL 1.1.1 series
Agent2 6.0.14
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Team INT
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Sprint 96 (Jan 2023)
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1
Steps to reproduce:
- Follow: https://git.zabbix.com/projects/ZBX/repos/zabbix/browse/templates/db/postgresql_agent2/README.md?at=refs%2Fheads%2Frelease%2F6.2
- Modify with mass update all Zabbix Agent items to Zabbix Agent (Active) items;
Result:
Problem 1: open file limit, default for unit file of systemd slice is 1024 with to weird error i nthe log of the agent:
2022/12/09 11:58:45.245630 failed to read response for plugin PostgreSQL, failed to read type header, EOF
Problem 2: Zabbix Agent just keeps crashing with another weird error:
2022/12/09 12:25:04.260087 failed to clean up after plugins, operation not permitted
And if try to start back manually:
# zabbix_agent2 -c /etc/zabbix/zabbix_agent2.conf
Starting Zabbix Agent 2 (6.0.12)
Zabbix Agent2 hostname: [Zabbix server]
Press Ctrl+C to exit.
panic: failed to obtain PID of dead child process: no child processes
goroutine 12 [running]:
main.listenOnPluginFail(0x0, {0xc0001798f0, 0x7})
/tmp/build-rhel-8-x86_64.H7NajgV0/buildroot/BUILD/zabbix-6.0.12/src/go/cmd/zabbix_agent2/external_nix.go:96 +0x168
created by main.initExternalPlugin
/tmp/build-rhel-8-x86_64.H7NajgV0/buildroot/BUILD/zabbix-6.0.12/src/go/cmd/zabbix_agent2/external.go:94 +0x115
And all the building process path traceback for official packages:
/tmp/build-rhel-8-x86_64.H7NajgV0/buildroot/BUILD/zabbix-6.0.12/src/go/cmd/zabbix_agent2/
Expected:
No open file limit or at least information in the documentation - Active check will require N file descriptors for X connections or X databases.
No crash, if Zabbix Agent (Active) is used for common items of the official template.
- depends on
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- Closed
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