JuliusBrussee/caveman · error

record applied fix: %w

Error message

record applied fix: %w

What it means

The INSERT of the applied-fix record into the database failed after validation and JSON encoding succeeded. Database-level failure: locked/corrupt DB, disk error, or schema mismatch in the applied-fix table.

Source

Thrown at proxy/internal/store/learn_outcomes.go:110

	if err != nil {
		return AppliedFixRecord{}, fmt.Errorf("encode before evidence: %w", err)
	}
	// Fingerprint the edited artifact as it stands NOW — which at
	// `caveman learn applied` time is immediately after the approved edit. This
	// is the provenance anchor: a later scan re-hashes the same path and can
	// state whether the change we proposed is still the change that is there.
	target := fingerprintFixTarget(*sink)
	targetJSON := ""
	if target != nil {
		if encoded, encodeErr := json.Marshal(target); encodeErr == nil {
			targetJSON = string(encoded)
		}
	}
	result, err := s.db.Exec(`INSERT INTO applied_fixes
		(sink_id, practice_id, fix_kind, applied_at, before_tokens_per_turn, before_evidence_json, note, target_json)
		VALUES (?, ?, ?, ?, ?, ?, ?, ?)`, sink.SinkID, sink.PracticeID, fixKind, appliedAt, sink.TokensPerTurn, string(evidence), note, targetJSON)
	if err != nil {
		return AppliedFixRecord{}, fmt.Errorf("record applied fix: %w", err)
	}
	id, err := result.LastInsertId()
	if err != nil {
		return AppliedFixRecord{}, fmt.Errorf("read applied fix id: %w", err)
	}
	return AppliedFixRecord{
		Recorded: true, ID: id, SinkID: sink.SinkID, PracticeID: sink.PracticeID,
		FixKind: fixKind, AppliedAt: appliedAt, BeforeTokensPerTurn: sink.TokensPerTurn,
		BeforeEvidence: beforeEvidence, BeforeSource: beforeSource, Note: note,
		Target: target,
	}, nil
}

func beforeSinkForAppliedFix(plan LearnPlan, sinkID string, live *Sink, fallbackCutoff time.Time) (*Sink, string) {
	cutoff := fallbackCutoff
	if parsed, err := time.Parse(time.RFC3339Nano, plan.computedAt); err == nil {
		cutoff = parsed
	}

View on GitHub (pinned to 81536f57b3)

Solutions

1. Check the SQLite database is writable and not locked by another process
2. Inspect the wrapped driver error for the root cause
3. Verify the applied-fix table schema matches the INSERT
4. Re-run the learn applied command once the database is available

When it happens

Trigger: Thrown at proxy/internal/store/learn_outcomes.go:110 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of JuliusBrussee/caveman@81536f57b3 (2026-08-27). Data as JSON: /api/errors/9242496aec7a5f65. Report an issue: GitHub.