Details
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Bug
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Status: Incomplete
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Medium
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Resolution: Unresolved
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2.22.0
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None
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None
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C/S Core
Description
After adding HAProxy service everything works fine, until Admin restart or randomly. After this we can see errors in log, that connection to metrics url is refused. But meanwhile, there is erroneous port number 0 in this url.
PMM Client version is the same as Server version.
ProjectName: pmm-agent Version: 2.22.0 PMMVersion: 2.22.0 Timestamp: 2021-09-21 10:18:26 (UTC) FullCommit: f92b109cb7b776499d1daff0bd61a9ef04df9e4f
Error log:
Nov 15 16:49:03 ____________________________________ pmm-agent[2987922]: INFO[2021-11-15T16:49:03.291+00:00] 2021-11-15T16:49:03.291Z info VictoriaMetrics/lib/promscrape/scraper.go:359 static_configs: added targets: 5, removed targets: 0; total targets: 5 agentID=/agent_id/4dac6224-2170-487d-8722-c89a58db5ef7 component=agent-process type=vm_agent Nov 15 16:49:04 ____________________________________ pmm-agent[2987922]: INFO[2021-11-15T16:49:04.270+00:00] Sending status: RUNNING (port 42000). agentID=/agent_id/4dac6224-2170-487d-8722-c89a58db5ef7 component=agent-process type=vm_agent Nov 15 16:49:07 ____________________________________ pmm-agent[2987922]: INFO[2021-11-15T16:49:07.342+00:00] 2021-11-15T16:49:07.342Z error VictoriaMetrics/lib/promscrape/scrapework.go:258 error when scraping "http://127.0.0.1:0/metrics" from job "external-exporter_agent_id_96421745-8284-49da-97d8-e2c0040c5684_mr-10s" with labels {agent_id="/agent_id/96421745-8284-49da-97d8-e2c0040c5684",agent_type="external-exporter",instance="/agent_id/96421745-8284-49da-97d8-e2c0040c5684",job="external-exporter_agent_id_96421745-8284-49da-97d8-e2c0040c5684_mr-10s",machine_id="/machine_id/0d9e2b5e6d9e4830abf902bff3799be8",node_id="/node_id/6ffab8fa-186e-4185-865d-e4280f0df79e",node_name="____________________________________",node_type="generic",service_id="/service_id/6dd05207-2d60-411d-88e0-9e19dd96df48",service_name="____________________________________-haproxy",service_type="haproxy"}: error when scraping "http://127.0.0.1:0/metrics": dial tcp4 127.0.0.1:0: connect: connection refused; try -enableTCP6 command-line flag if you scrape ipv6 addresses agentID=/agent_id/4dac6224-2170-487d-8722-c89a58db5ef7 component=agent-process type=vm_agent Nov 15 16:49:17 ____________________________________ pmm-agent[2987922]: INFO[2021-11-15T16:49:17.342+00:00] 2021-11-15T16:49:17.342Z error VictoriaMetrics/lib/promscrape/scrapework.go:258 error when scraping "http://127.0.0.1:0/metrics" from job "external-exporter_agent_id_96421745-8284-49da-97d8-e2c0040c5684_mr-10s" with labels {agent_id="/agent_id/96421745-8284-49da-97d8-e2c0040c5684",agent_type="external-exporter",instance="/agent_id/96421745-8284-49da-97d8-e2c0040c5684",job="external-exporter_agent_id_96421745-8284-49da-97d8-e2c0040c5684_mr-10s",machine_id="/machine_id/0d9e2b5e6d9e4830abf902bff3799be8",node_id="/node_id/6ffab8fa-186e-4185-865d-e4280f0df79e",node_name="____________________________________",node_type="generic",service_id="/service_id/6dd05207-2d60-411d-88e0-9e19dd96df48",service_name="____________________________________-haproxy",service_type="haproxy"}: error when scraping "http://127.0.0.1:0/metrics": dial tcp4 127.0.0.1:0: connect: connection refused; try -enableTCP6 command-line flag if you scrape ipv6 addresses agentID=/agent_id/4dac6224-2170-487d-8722-c89a58db5ef7 component=agent-process type=vm_agent