OTEL error while using connector

[tushar5526]

Following the steps from https://hasura.io/docs/latest/databases/clickhouse/getting-started/docker/

I am getting the following error in the data-connector-agent after connecting the clickhouse instance.

OpenTelemetry trace error occurred. error sending request for url (http://localhost:4318/): error trying to connect: tcp connect error: Connection refused (os error 111)

[QazCetelic]

I'm still getting this error as of 2025-12-05 with version 2.48.7.

I've forked it and made OpenTelemetry opt in, and it still doesn't work, so the problem seems to be unrelated to OTEL. The /capabilities also works like intended.