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No structured payload logging

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还没有人认领这个 Issue。

评估

难度
5/5
预计耗时
一周以上
新手友好度
18/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
活跃
技术栈
java
领域
observability

调研方向

The payload names only the gen_ai.agent.a2a.request and gen_ai.agent.a2a.response span attributes, enabled by a system property, so start by finding where those attributes are set in the request and response path. The issue does not settle which logging API to use, which events to emit, or how masking should be configured, so this needs a design decision before any code. Done means the agreed events are emitted with truncation and trace correlation, backed by tests.

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描述

There is no structured logging of A2A protocol message payloads. The only option is an opt-in toString() on span attributes, which is not a proper logging mechanism.
Current Behavior

a2a-java has gen_ai.agent.a2a.request / gen_ai.agent.a2a.response span attributes (enabled via system property), but these are span attributes, not structured logs.
There is no structured log event for task requests, state changes, result artifacts, negotiation payloads, authorization decisions, or notification deliveries.
No payload size truncation or sensitive data masking is provided.

Expected Behavior

Provide structured log events (at DEBUG level by default) for key protocol messages: task requests, state changes, result artifacts, negotiation payloads, authorization decisions, notification subscriptions and deliveries.
Include configurable payload size truncation (default 4KB) with [truncated] marker.
Provide sensitive data masking with customizable strategies.
Logs should be correlated to traces via trace_id / span_id.

Impact

Cannot inspect actual message payloads when debugging issues.
No audit trail of authorization decisions or negotiation content.
Cannot correlate log entries to traces for root-cause analysis.
The toString() approach is not suitable for production use (no truncation, no masking, no structured fields).

cf Issue #1132

主要语言
Java
星标
505
派生
185
平均合并
1 天 5 小时
30 天内合并 PR
25

环境准备

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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