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Excessive INFO logging from ConfigurationUpdater after latest deployment

Aperta
#9,508 9 commenti 1 reazione 1 assegnatario Vedi su GitHub

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Dal 22/9/2025.

Valutazione

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Descrizione

comp: debugger type: bug report
Tracer Version(s)

1.53.0

Java Version(s)

21.0.8

JVM Vendor

Amazon Corretto

Bug Report

Title: Excessive INFO logging from ConfigurationUpdater after latest deployment

Description
After our latest deployment, we’ve observed an excessive amount of INFO logs coming from com.datadog.debugger.agent.ConfigurationUpdater. These logs appear to contain what should likely be DEBUG-level information.

Example logs:

[dd.trace 2025-09-10 13:40:36:595 +0000] [dd-task-scheduler] INFO com.datadog.debugger.agent.ConfigurationUpdater - Re-transforming class: ar.com.glamit.spring.configurations.config.ConfigurationCreatorConfig

[dd.trace 2025-09-10 13:40:36:730 +0000] [dd-task-scheduler] INFO com.datadog.debugger.agent.ConfigurationUpdater - Applying new probe configuration, changes: ConfigurationComparer{addedDefinitions=1, removedDefinitions=0, filteredListChanged=false, changedBlockedTypes=0}

Impact
These INFO logs are displayed as ERROR in the Datadog Web UI, creating noise and confusion for users monitoring logs.

Suspected cause
Upon reviewing the agent code, the logging level seems incorrectly set to INFO instead of DEBUG:

private void retransformClasses(List<Class<?>> classesToBeTransformed) {
  for (Class<?> clazz : classesToBeTransformed) {
    try {
      LOGGER.info("Re-transforming class: {}", clazz.getTypeName());
      instrumentation.retransformClasses(clazz);
    } catch (Exception ex) {
      ExceptionHelper.logException(LOGGER, ex, "Re-transform error:");
    } catch (Throwable ex) {
      ExceptionHelper.logException(LOGGER, ex, "Re-transform throwable:");
    }
  }
}

Expected behavior
These messages should likely be logged at the DEBUG level (or possibly TRACE), as they represent internal instrumentation details rather than actionable operational events.

Expected Behavior

Please confirm whether this logging level is intentional, and if not, consider adjusting it to reduce noise in production environments.

Reproduction Code

No response

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Java
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