Question 385055 in Amazon Web Sevices Question posted in
The official Amazon Web Services documentation can be found here.

Amazon web services – The graph from prometheus shows nothing, query errors

I just installed node_exporter, prometheus and grafana in that way. On the first EC2 instance with Jenkins i installed Prometheus and Grafana and in the second instance with Tomcat i installed node_exporter.I have some errors. When i try to query for example node_cpu_seconds_total in prometheus i get this error:

Error executing query: Expected ‘,’ or ‘]’ after array element in JSON at position 530 (line 1 column 531)

Also in grafana for node exporter full i have these errors :

Templating
Failed to upgrade legacy queries e.replace is not a function

Templating [job] Error updating options: e.replace is not a function

Templating [node] Error updating options: e.replace is not a function

I will attach photos too. Any help?enter image description here

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2

Answers


  1. 0

    For me, the problem was when going over the guide at https://prometheus.io/docs/prometheus/latest/getting_started/, I’ve encountered the same error when typing only prometheus_target_interval_length_seconds.
    When looking at http://localhost:9090/metrics I’ve noticed that indeed prometheus_target_interval_length_seconds has 5 metrics,

    prometheus_target_interval_length_seconds{interval="15s",quantile="0.01"} 14.999437041
prometheus_target_interval_length_seconds{interval="15s",quantile="0.05"} 14.999437041
prometheus_target_interval_length_seconds{interval="15s",quantile="0.5"} 15.000015625
prometheus_target_interval_length_seconds{interval="15s",quantile="0.9"} 15.001391959
prometheus_target_interval_length_seconds{interval="15s",quantile="0.99"} 15.001391959

    Once I’ve changed to any of the typed above examples, e.g. prometheus_target_interval_length_seconds{quantile="0.99"} it worked

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  2. 0

    There is some issue with 2.52.0-rc.1. I reverted back to older version 2.45.5 and it works fine

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