[exporter/zipkin] Correctness test failure: TestTracingGoldenData/otlp-zipkin

[crobert-1]

Component(s)

exporter/zipkin

Describe the issue you're reporting

Failing CI/CD action

Failure output:

=== RUN   TestTracingGoldenData/otlp-zipkin
2024/06/21 15:48:44 
receivers:
  otlp:
    protocols:
      grpc:
        endpoint: "127.0.0.1:41143"
exporters:
  zipkin:
    endpoint: http://127.0.0.1:45711/api/v2/spans
    format: json
processors:

  batch:
    send_batch_size: 1024

extensions:

service:
  telemetry:
    metrics:
      address: 127.0.0.1:[457](https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/9616271927/job/26525416353?pr=33694#step:7:458)11
  extensions:
  pipelines:
    traces:
      receivers: [otlp]
      processors: [batch]
      exporters: [zipkin]

2024/06/21 15:48:44 Starting mock backend...
2024-06-21T15:48:44.322Z    info    service@v0.103.0/service.go:115 Setting up own telemetry...
2024-06-21T15:48:44.322Z    info    service@v0.103.0/telemetry.go:96    Serving metrics {"address": "127.0.0.1:45711", "level": "Normal"}
2024-06-21T15:48:44.323Z    info    service@v0.103.0/service.go:182 Starting otelcol... {"Version": "latest", "NumCPU": 4}
2024-06-21T15:48:44.323Z    info    extensions/extensions.go:34 Starting extensions...
2024-06-21T15:48:44.323Z    info    otlpreceiver@v0.103.0/otlp.go:102   Starting GRPC server    {"kind": "receiver", "name": "otlp", "data_type": "traces", "endpoint": "127.0.0.1:41143"}
2024-06-21T15:48:44.323Z    info    service@v0.103.0/service.go:208 Everything is ready. Begin running and processing data.
2024-06-21T15:48:44.323Z    warn    localhostgate/featuregate.go:63 The default endpoints for all servers in components will change to use localhost instead of 0.0.0.0 in a future version. Use the feature gate to preview the new default.   {"feature gate ID": "component.UseLocalHostAsDefaultHost"}
2024-06-21T15:48:44.323Z    error   otelcol@v0.103.0/collector.go:320   Asynchronous error received, terminating process    {"error": "listen tcp 127.0.0.1:45711: bind: address already in use"}
go.opentelemetry.io/collector/otelcol.(*Collector).Run
    /home/runner/go/pkg/mod/go.opentelemetry.io/collector/otelcol@v0.103.0/collector.go:320
github.com/open-telemetry/opentelemetry-collector-contrib/testbed/testbed.(*inProcessCollector).Start.func2
    /home/runner/work/opentelemetry-collector-contrib/opentelemetry-collector-contrib/testbed/testbed/in_process_collector.go:80
2024-06-21T15:48:44.323Z    info    service@v0.103.0/service.go:245 Starting shutdown...
2024-06-21T15:48:44.323Z    info    extensions/extensions.go:59 Stopping extensions...
2024-06-21T15:48:44.323Z    info    service@v0.103.0/service.go:259 Shutdown complete.
2024/06/21 15:48:45 unable to start, otelcol state is 3
    test_case.go:289: unable to start, otelcol state is 3
2024/06/21 15:48:45 Starting load generator at 1024 items/sec.
2024/06/21 15:48:45 Stopped generator. Sent:         0 traces (0/sec)
2024/06/21 15:48:45 Stopping mock backend...
2024/06/21 15:48:45 Stopped backend. Received:         0 items (0/sec)

Looks like this is the offending part:

2024-06-21T15:48:44.323Z    error   otelcol@v0.103.0/collector.go:320   Asynchronous error received, terminating process    {"error": "listen tcp 127.0.0.1:45711: bind: address already in use"}
go.opentelemetry.io/collector/otelcol.(*Collector).Run
    /home/runner/go/pkg/mod/go.opentelemetry.io/collector/otelcol@v0.103.0/collector.go:320
github.com/open-telemetry/opentelemetry-collector-contrib/testbed/testbed.(*inProcessCollector).Start.func2
    /home/runner/work/opentelemetry-collector-contrib/opentelemetry-collector-contrib/testbed/testbed/in_process_collector.go:80

[github-actions[bot]]

Pinging code owners:

• exporter/zipkin: @MovieStoreGuy @andrzej-stencel @crobert-1

  See Adding Labels via Comments if you do not have permissions to add labels yourself.

[crobert-1]

+1 freq: https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/9691346041/job/26742675416?pr=33780