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Debugging thrift_http in OpenTelemetry Collector to send Tekton Traces - Stack Overflow

admin2025-04-18  4

I have an otel-collector deployed that works perfectly accepting OTLP traces. Now, I want configure Tekton to add traces of the executed Pipelines. Currently, it only provides traces in HTTP Thrift format.

Therefore, I added the Jaeger receiver and configured it in the receivers section:

receivers:
  # Enable Thrift receiver for Tekton traces
  jaeger:
    protocols:
      # grpc:
        # endpoint: 0.0.0.0:14250
      # thrift_binary:
        # endpoint: 0.0.0.0:6832 
      # thrift_compact:
        # endpoint: 0.0.0.0:6831
      thrift_http:
        endpoint: 0.0.0.0:14268

However, on the Tekton side, I get the following error:

2025/01/28 12:34:18 traces export: failed to send to :14268/api/traces: 400 Bad Request

On the collector logs I cannot see any extra error. How can I debug this? Is it possible that the thrift http protocol has been updated and it might not be compatible? Maybe Tekton might use an old version of Thrift?

I have an otel-collector deployed that works perfectly accepting OTLP traces. Now, I want configure Tekton to add traces of the executed Pipelines. Currently, it only provides traces in HTTP Thrift format.

Therefore, I added the Jaeger receiver and configured it in the receivers section:

receivers:
  # Enable Thrift receiver for Tekton traces
  jaeger:
    protocols:
      # grpc:
        # endpoint: 0.0.0.0:14250
      # thrift_binary:
        # endpoint: 0.0.0.0:6832 
      # thrift_compact:
        # endpoint: 0.0.0.0:6831
      thrift_http:
        endpoint: 0.0.0.0:14268

However, on the Tekton side, I get the following error:

2025/01/28 12:34:18 traces export: failed to send to http://app-to-kafka-collector.otel.svc.cluster.local:14268/api/traces: 400 Bad Request

On the collector logs I cannot see any extra error. How can I debug this? Is it possible that the thrift http protocol has been updated and it might not be compatible? Maybe Tekton might use an old version of Thrift?

  • open-telemetry-collector
  • tekton
Share Improve this question asked Jan 29 at 11:29 BigEndian32BigEndian32 311 silver badge5 bronze badges
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1 Answer 1

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I come back just to share the actual asnwer. According to the Tekton documentation and this issue (https://github.com/tektoncd/pipeline/issues/7175) I thought that the traces where exported in thrift_http, but it is actually OTLP http. So I just changed the url to http://app-to-kafka-collector.otel.svc.cluster.local:4318 and it started to work :) If someone uses this in the future, please share it here! :)

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Debugging thrifthttp in OpenTelemetry Collector to send Tekton TracesStack Overflow