WARN [ProxiedResource] Unable to call https://hostname/api/system/metrics/multiple

Graylog Central (peer support)
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==> /var/log/graylog-server/server.log <==
2023-04-03T08:18:42.419+02:00 WARN [ProxiedResource] Unable to call https:///api/system/metrics/multiple on node <73e08355-7852-4cc5-943a-0b41877cd0c7>: Unexpected character (‘<’ (code 60)): expected a valid value (JSON String, Number, Array, Object or token ‘null’, ‘true’ or ‘false’)
at [Source: (okhttp3.ResponseBody$BomAwareReader); line: 1, column: 2]

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What version are you running?
How are you calling the API?

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Hi @patrickmann,

Thank your for the reply.

I am just accessing this URL: https:///system/nodes/

Click System/Nodes >> Nodes >> Click on the node name.

I’ve see the WARN messages below in the logs of graylog in /var/log.

2023-04-03T10:54:29.537+02:00 WARN [ProxiedResource] Unable to call https://hostname/api/system/metrics/multiple on node <73e08355-7852-4cc5-943a-0b41877cd0c7>: Unexpected character (‘<’ (code 60)): expected a valid value (JSON String, Number, Array, Object or token ‘null’, ‘true’ or ‘false’)
at [Source: (okhttp3.ResponseBody$BomAwareReader); line: 1, column: 2]
2023-04-03T10:54:29.782+02:00 WARN [ProxiedResource] Unable to call https:///api/system on node <73e08355-7852-4cc5-943a-0b41877cd0c7>: Unexpected character (‘<’ (code 60)): expected a valid value (JSON String, Number, Array, Object or token ‘null’, ‘true’ or ‘false’)
at [Source: (okhttp3.ResponseBody$BomAwareReader); line: 1, column: 2]

I recently upgraded to Graylog 5.0.5.

4

Possibly an issue with the proxy setup.
Please refer to Overview and check your configuration.

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Hey @rkudarat

I see your using HTTPS , by chance did you use java default keystore cacerts?, if so you may want to check your certificates, java default store may have moved on ya when you upgraded.Just an idea

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