fix-continuation-leakage

Diagnose and fix scope or continuation lifecycle failures in dd-trace-java instrumentation tests. Use when a test reports a continuation leak, double resolution, activation after resolve, or an unclosed scope, or when strictTraceWrites(false) appears to hide one. Reads the automatic diagnostic timeline, finds the broken lifecycle edge, fixes it, and explains it with a compact Mermaid diagram.

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Repository: DataDog/dd-trace-java
Last source activity: September 28, 2026 at 08:10
Detected SKILL.md language: English
Stars: 736
Forks: 363

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name: fix-continuation-leakage
description: Diagnose and fix scope or continuation lifecycle failures in dd-trace-java instrumentation tests. Use when a test reports a continuation leak, double resolution, activation after resolve, or an unclosed scope, or when strictTraceWrites(false) appears to hide one. Reads the automatic diagnostic timeline, finds the broken lifecycle edge, fixes it, and explains it with a compact Mermaid diagram.
user-invocable: true
context: fork
allowed-tools: ["Bash","Read","Edit","Glob","Grep","AskUserQuestion"]

# Fix continuation leakage Read `.agents/skills/fix-continuation-leakage/SKILL.md` in full and follow it. That file is the shared playbook for repository agents.

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fix-continuation-leakage

Diagnose and fix scope or continuation lifecycle failures in dd-trace-java instrumentation tests. Use when a test reports a continuation leak, double resolution, activation after resolve, or an unclosed scope. Reads the automatic diagnostic timeline, finds the broken lifecycle edge, fixes it, and explains it with a compact Mermaid diagram.

2026-10-05

perf-review

Performance-overhead review of a code diff / branch / PR for the dd-trace-java tracer. Flags hot-path allocation, unbounded memory, repeated work, escaping objects, native-boundary crossings, and JVM-specific pitfalls (escape analysis, JNI / virtual-thread pinning, backtracking-regex ReDoS, varargs/boxing hashing, String.format, ByteBuddy-Advice anti-patterns) using the tracer performance rubric. Use whenever the user wants a performance / overhead / hot-path review, asks to check a diff or PR for allocation / GC / memory / latency / startup cost, or mentions the "perf rubric" or the "do no harm / assume hot" tracer posture — even if they just say "review this for perf" without naming the rubric. Advisory and READ-ONLY: it reports ranked, verify-first findings; it never edits code.

2026-09-29

apm-integrations

Write a new library instrumentation end-to-end. Use when the user ask to add a new APM integration or a library instrumentation.

2026-09-28

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fix-continuation-leakage

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