Hello everyone I tried the below link for Node js intrumenta

Question

Hello everyone I tried the below link for Node js intrumentation <https signoz io blog nodejs opensource application monitoring > For some reason the traces metrics are not showing up on the Signoz frontend what could be the possible issues How do I debug I dont see any error

Ashu · Answer

Hi Shruti Welcome to the community wave Your application must generate some data for it appear on the UI Can you check this once <https signoz io docs instrumentation javascript validating instrumentation by checking for traces>

Shruti Choudhary · Answer

My application does generate data as the consoleExporter works The signoz UI still doesnt display any data

Ashu · Answer

Ok Can you try this troubleshooting guide to check whether SigNoz Otel collector is accessible from your app <https signoz io docs install troubleshooting >

Shruti Choudhary · Answer

I amgetting a connection refused what could be the potential issue

Shruti Choudhary · Answer

2022 09 27T13 14 12 996Z INFO troubleshoot main go 28 STARTING 2022 09 27T13 14 12 997Z INFO checkEndpoint checkEndpoint go 41 checking reachability of SigNoz endpointError not able to send data to SigNoz endpoint rpc error code = Unavailable desc = connection error desc = transport Error while dialing dial tcp 127 0 0 1 4317 connect connection refused

Ashu · Answer

Might be a permission issue Port 4317 and 4318 on the machine where SigNoz is installed should be open to receive the telemetry data Here s an guide < Prashant Shahi> can you look into this

Shruti Choudhary · Answer

This works when I execute the node app with sudo

Prashant Shahi · Answer

< Shruti Choudhary> That could happen when there is issue with docker network Or it could be related to node itself Could you please try troubleshooting binary

Prashant Shahi · Answer

With that you can test whether or not the signoz otel collector OTLP endpoint is exposed and accessible