Prevent OkHttp TaskRunner from retaining request contexts

[amarziali]

What does this PR do?

Excludes OkHttp's internal TaskRunner worker loop from generic Runnable context propagation.

TaskRunner$runnable$1 is a long-lived scheduler loop, not a single request task. Capturing the submitting request context on it keeps that trace open until the runner becomes idle, causing delayed or missing traces.

Individual OkHttp tasks already handle their own request context, so the scheduler itself should not inherit one.

flowchart LR
    A[Test worker<br/>okhttp.request active]
    B[OkHttp TaskRunner<br/>long-lived scheduler]
    C[Individual HTTP task]
    D[Request completes]

    A -->|🔴 previous: capture context| B
    B -->|scope retained until idle| R[🔴 Scope left open]

    A -->|🟢 request handoff| C
    C --> D
    D -->|close request scope| G[🟢 Trace is written]

    A -. TaskRunner excluded .-> B

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Motivation

Additional Notes

Contributor Checklist

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  Use solves instead, and assign the PR milestone to the issue
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Jira ticket: [PROJ-IDENT]

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-11T15:17:33.141764Z	6922111	PR opened
🔒 Security Review	✅ Completed 2026-09-11T15:16:45.731741Z	6922111	PR opened

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[datadog-prod-us1-4]

More details

The OkHttp TaskRunner exclusion has a narrow scope. It blocks generic Runnable context capture for TaskRunner nested classes and does not change other exclusion types.

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 69221116cf

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[datadog-prod-us1-4]

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 62.88% (+3.74%)

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🔗 Commit SHA: 6922111 | Docs | View more details | Give us feedback!}

[dd-octo-sts]

🟢 Java Benchmark SLOs — All performance SLOs passed

Suite	Status
Startup	🟢 pass

SLO thresholds are defined here based on automatically generated metrics. A warning is raised when results are within 5% of the threshold.

PR vs. master results

Scenario	Candidate	master	Δ (95% CI of mean)
startup:insecure-bank:iast:Agent	14.77 s	14.57 s	[+0.4%; +2.4%] (maybe worse)
startup:insecure-bank:tracing:Agent	13.62 s	13.69 s	[-1.5%; +0.4%] (no difference)
startup:petclinic:appsec:Agent	16.95 s	16.78 s	[+0.2%; +1.9%] (maybe worse)
startup:petclinic:iast:Agent	16.77 s	16.94 s	[-1.7%; -0.2%] (maybe better)
startup:petclinic:profiling:Agent	16.66 s	16.70 s	[-1.1%; +0.6%] (no difference)
startup:petclinic:sca:Agent	16.85 s	16.58 s	[+0.7%; +2.6%] (maybe worse)
startup:petclinic:tracing:Agent	16.07 s	16.25 s	[-2.1%; -0.2%] (maybe better)

Commit: 69221116 · CI Pipeline · Benchmarking Platform UI

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Load and DaCapo benchmarks can be triggered manually in the GitLab pipeline. Results will appear in the Benchmarking Platform UI after completion.