Strange log output from prometheus notifier

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Valeriy Bratkevich

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Feb 19, 2020, 10:31:11 AM2/19/20

to Prometheus Users

I have strange log output from prometheus(prom/prometheus:v2.14.0) and alertmaneger(prom/alertmanager:v0.19.0) logs

Example:

level=error ts=2020-02-19T09:33:57.939Z caller=notifier.go:528 component=notifier alertmanager=http://alertmanager.example.com:80/api/v1/alerts count=11 msg="Error sending alert" err="Post http://alertmanager.example.com:80/api/v1/alerts: net/http: HTTP/1.x transport connection broken: malformed HTTP response \"\\x00\\x00\\x12\\x04\\x00\\x00\\x00\\x00\\x00\\x00\\x03\\x00\\x00\\x00\\x80\\x00\\x04\\x00\\x01\\x00\\x00\\x00\\x05\\x00\\xff\\xff\\xff\\x00\\x00\\x04\\b\\x00\\x00\\x00\\x00\\x00\\u007f\\xff\\x00\\x00\\x00\\x00\\b\\a\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x01\""

I tried to decode sybols but nothing. How I can understand whats going on? Can you help me please?

Julien Pivotto

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Feb 19, 2020, 11:07:38 AM2/19/20

to Valeriy Bratkevich, Prometheus Users

Hello,

You are probably speaking to a TLS/HTTP2-enabled server. Try using https.

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