DongHyeonkaandClaude Opus 5
b2963105a8
The keycloak project ended with four open questions that design could not
settle. A two-VM lab was built to answer them by measurement, and this is
that material: 26 experiments, 125 raw command outputs, 22 browser captures.
Follows the import procedure in README.md.
source/ the originating repository verbatim — 78 documents, 28 SVGs,
8 manifests, plus .source-revision recording the commit
final/ the SSOT
document.md 729 lines written from the 29 experiment documents, not
concatenated: what was predicted, what was measured, and
where the measurement itself was wrong
evidence/raw 125 outputs, flattened to <experiment>__<file> because
the originals collided (01-baseline.txt appeared three
times) and the audit only globs the top level
evidence/meta one per raw file; command and exitCode are null and the
README says why rather than inventing them
evidence/browser 22 captures
assets/ three diagrams through techviz
.techviz/ their VizSpecs
A separate project rather than an addition to keycloak: the B-layer answers
that project's four questions, but the A, C and D layers are about cluster
failure, SSO and operations, and one document.md should hold one subject.
The four question records there can point here through 관계.
Recorded rather than papered over: only three of the 28 diagrams were
remade. The repository forbids hand-drawn SVG and forbids titles inside the
canvas; all 28 originals carry both, so converting them is redrawing, not
reformatting. They stay in source/ and the gap is written into the document.
verify-pipeline.py passes. audit-records.py reports no issues.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
48 lines
2.1 KiB
Markdown
48 lines
2.1 KiB
Markdown
---
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kind: CONCEPT
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slug: messaging-inbox-jdbc-postgresql-c04
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title: action 예외가 예약까지 함께 롤백시킨다
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topic: state-machines-and-ownership
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project: clean-architecture-backend-template
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status: 게시 전
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sourceRevision: 21234e38cdb9a926cbc92bb97a2aee2e4a7d2916
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rootTreeNode: concept:messaging-inbox-jdbc-postgresql-c04
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evidenceCapturedOn: 2026-09-01
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assets:
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- key: messaging-inbox-jdbc-postgresql-c04
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file: ../../../final/evidence/rendered/messaging-inbox-jdbc-postgresql-c04.svg
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evidence:
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- ../../../final/evidence/raw/messaging-inbox-jdbc-postgresql-c04.txt
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source:
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- 원본 분석 절은 analysis/messaging/messaging-inbox-jdbc-postgresql.md#L319 이다.
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module: messaging-inbox-jdbc-postgresql
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---
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# action 예외가 예약까지 함께 롤백시킨다
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수신 처리와 실패와 보존 세 경로가 있고, 실패 경로에서 롤백이 예약도 함께 되돌린다.
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## 관계
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- **컬럼 폭은 애플리케이션 검증과 짝을 이룬다**
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같은 분석 리프에서 끌어낸 규칙이다.
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- **같은 안전 규칙은 한 공식과 한 강제 시점을 갖는다**
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같은 분석 리프에서 끌어낸 규칙이다.
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## 본문
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<!-- body:start -->
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**수신 처리** — `handleOnce(name, delivery, action)` → `consumer.runOnce(messageId, name, now, () -> { action.apply(delivery); return APPLIED; })` → runner가 트랜잭션 열기 → `repository.reserve(...)` → 세 검사 → `INSERT … ON CONFLICT DO NOTHING` → 1행이면 부작용 실행, 0행이면 `duplicate()` → 커밋 → `HandleResult.success()`.
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**실패** — action 예외 → `ActionFailedException` → runner가 롤백(예약도 함께) → `HandleResult.Retry("INBOX_ACTION_FAILED")`.
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**보존** — `cleanupJob.runOnce(now)` → `policy.cutoff(now)` → 무제한 DELETE 1회 → 두 번째 호출 0 → 종료.
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## ActionFailedException 참조 위치
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:::evidence key="messaging-inbox-jdbc-postgresql-c04" alt="코드베이스에서 ActionFailedException 를 검색한 출력 4줄. 이 기록이 세는 참조가 그 출력에 그대로 보인다." caption="ActionFailedException 코드베이스 검색 — 4줄 · exit 0" zoom="true"
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:::
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<!-- body:end -->
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