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ChildProcessManager::setupEventHandlers | Child process stderr: AssertionError: Assertion failed - I

Service
cupixworks-any-bimrevision-agent
Occurrences
28
Status
Reported
Confidence
80%
Actionability
52%
Cluster ID
ba457ca2-8d7f-4f02-a7d1-c268593e65dc
First Seen
2026-05-06 13:33 UTC
Last Seen
2026-07-22 09:03 UTC
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ChildProcessManager::setupEventHandlers | Child process stderr: AssertionError: Assertion failed - I

What Happened#

2026-05-06 13:33~14:03 UTC 사이에 cupixworks-any-bimrevision-agent 서비스에서 SVF2 형식의 BIM geometry 데이터를 로딩하는 과정에서 AssertionError: Assertion failed - Invalid OTG header 에러가 8회 발생했다. 에러는 Autodesk APS(forge)에서 다운로드한 geometry buffer의 매직 헤더 검증 실패로 인해 발생했으며, 모든 케이스에서 10초 후 재시도 시 성공하여 최종 작업에는 영향이 없었다.

Quick Facts#

Field Value
exception.class AssertionError
exception.message Assertion failed - Invalid OTG header
top_frame @cupix/forge-utils/convert-utils/svf2/svf2-geometry-wss-loader.js:436
runtime Node.js 20
env production, us-west-2

Affected Teams#

Team / Domain Error Count Impact
wgyates / BIM Revision 8 로그 노이즈 (재시도 성공으로 기능 영향 없음)

Timeline#

  1. 2026-05-06T13:33:47Z — 최초 에러 발생 (geometry hash: 뻬粕鰏딫겙䄛诣蕝퀢, processTargetAndFillReport)
  2. 2026-05-06T13:33:57Z — 동일 hash 재시도 성공 (attempt 2)
  3. 2026-05-06T13:55:01Z~13:55:12Z — 추가 에러 2건 (collectPrevEntities)
  4. 2026-05-06T14:03:45Z — 마지막 에러 발생, 10초 후 재시도 성공
  5. 2026-05-06T14:03:56Z — 모든 geometry 로딩 재시도 성공 완료

Scoring#

Confidence 80% · Actionability 52%

Confidence#

Dimension Score Detail
Evidence completeness 5/5 16 code refs, 3 log queries
Code path explicitness 3/3 16 file:line refs
Log evidence 2/3 section, query
RCA structure 3/3 3/3 sections
Revision history 0/3 0 revision(s)
Agent execution 3/3 success

Actionability#

Dimension Score Detail
Fix complexity 5/5 trivial
Affected files 1/5 20 file(s)
Single repo 1/3 2 service(s)
Immediate actions 0/3 absent
Testability 0/3 no test info
External dependency 3/3 no external deps
Data migration 3/3 no migration