Hi, I have a fastapi application and I am saving the uvicorn logs to a file and added the filelog receiver to

otel-collector-config.yaml

using this guide https://signoz.io/docs/userguide/collect_logs_from_file/ . But my logs don't have trace_id and span_id. I want to correlate my logs with their traces. I am not sure how to do this. Your help will be appreciated.

See https://opentelemetry-python-contrib.readthedocs.io/en/latest/instrumentation/logging/logging.html

I have set

OTEL_PYTHON_LOG_CORRELATION

to true in my fastapi application environment and also set the format as %(asctime)s %(levelname)s [%(name)s] [%(filename)s:%(lineno)d] [trace_id=%(otelTraceID)s span_id=%(otelSpanID)s resource.service.name=%(otelServiceName)s trace_sampled=%(otelTraceSampled)s] - %(message)s. I am getting this error:

ValueError: Formatting field not found in record: 'otelTraceID'

See https://opentelemetry-python-contrib.readthedocs.io/en/latest/instrumentation/logging/logging.html#manually-calling-logging-basicconfig. You need to take care of it.

I have the same issue. Did you manage to solve the issue @fahad yamin?