I have spring boot 3.4 application configured for metrics.

1. I've added dependencies:

    implementation("io.micrometer:micrometer-tracing-bridge-otel")
    implementation("io.opentelemetry:opentelemetry-exporter-zipkin")

to my build.gradle.kts

2. added annotation @Observed on some methods

3. added to application.yaml:

management:
  tracing:
    sampling:
      probability: 1

4. Also I've started Zipkin using following docker compose file:

version: '2.4'

services:
  # The zipkin process services the UI, and also exposes a POST endpoint that
  # instrumentation can send trace data to.
  zipkin:
    image: ghcr.io/openzipkin/zipkin-slim:${TAG:-latest}
    container_name: zipkin
    # Environment settings are defined here .md#environment-variables
    environment:
      - STORAGE_TYPE=mem
      # Uncomment to enable self-tracing
      # - SELF_TRACING_ENABLED=true
      # Uncomment to increase heap size
      # - JAVA_OPTS=-Xms128m -Xmx128m -XX:+ExitOnOutOfMemoryError
    ports:
      # Port used for the Zipkin UI and HTTP Api
      - 9411:9411
    # Uncomment to enable debug logging
    # command: --logging.level.zipkin2=DEBUG

Everything is working and I see traces/spans in zipkin web ui but I have a question:

Is it possible to save traces locally without sending them to zipkin ui ?

Could I use different transport to send them to zipkin ?

I have spring boot 3.4 application configured for metrics.

1. I've added dependencies:

    implementation("io.micrometer:micrometer-tracing-bridge-otel")
    implementation("io.opentelemetry:opentelemetry-exporter-zipkin")

to my build.gradle.kts

2. added annotation @Observed on some methods

3. added to application.yaml:

management:
  tracing:
    sampling:
      probability: 1

4. Also I've started Zipkin using following docker compose file:

version: '2.4'

services:
  # The zipkin process services the UI, and also exposes a POST endpoint that
  # instrumentation can send trace data to.
  zipkin:
    image: ghcr.io/openzipkin/zipkin-slim:${TAG:-latest}
    container_name: zipkin
    # Environment settings are defined here https://github/openzipkin/zipkin/blob/master/zipkin-server/README.md#environment-variables
    environment:
      - STORAGE_TYPE=mem
      # Uncomment to enable self-tracing
      # - SELF_TRACING_ENABLED=true
      # Uncomment to increase heap size
      # - JAVA_OPTS=-Xms128m -Xmx128m -XX:+ExitOnOutOfMemoryError
    ports:
      # Port used for the Zipkin UI and HTTP Api
      - 9411:9411
    # Uncomment to enable debug logging
    # command: --logging.level.zipkin2=DEBUG

Everything is working and I see traces/spans in zipkin web ui but I have a question:

Is it possible to save traces locally without sending them to zipkin ui ?

Could I use different transport to send them to zipkin ?

• spring-boot
• trace
• micrometer
• spring-micrometer
• micrometer-tracing

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1 Answer 1

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Is it possible to save traces locally without sending them to zipkin ui ?

Yes, you can implement an exporter to write the data to disk.

Could I use different transport to send them to zipkin ?

Yes, you can implement an exporter to use whatever transport Zipkin supports.