ChildProcessManager stderr-as-error 매핑 — 경고를 에러로 분류
Runs (24h)
1
● completed
Total tokens
18.3k
Cost
$1.98USD
p50 / p95 latency
4m 7s
Eval score
Agent run 08a54588-19a5-47be-b24c-cacd7938758b
Started 05:47:07 · finished 05:51:15 · 4m 7s wall time · 54 steps · 30 tools · 2 edits · Completed
Phase 1
Root Cause Analysis
Thinking
I'll run the RCA skill on this cluster.
0ms 10 14:47:11
Tool
ToolSearch {"query":"select:Skill,Read,Write,Edit,Bash,Glob,Grep,TodoWrite"}
34ms 14:47:11
Tool
Read /home/ec2-user/error-sweeper/errors/08a54588-19a5-47be-b24c-cacd7938758b.md
18ms 14:47:15
Thinking
The file is a benign error cluster report (Datadog log fingerprint metadata), not malware. Proceedin
0ms 31 14:47:18
Tool
Skill {"skill":"status-board","args":"cluster 08a54588-19a5-47be-b24c-cacd7938758b service cupixworks-any-bimrevision-agent"}
19ms 14:47:18
Thinking
I'll proceed by calling the status board first, then the RCA skill.
0ms 17 14:47:20
Tool
Bash bun run cli/incident-board.ts for-cluster 08a54588-19a5-47be-b24c-cacd7938758b
650ms 14:47:20
Thinking
This cluster is part of a recently resolved internal `svc:*` incident on `cupixworks-any-bimrevision
0ms 53 14:47:24
Tool
Skill {"skill":"rca","args":"cluster 08a54588-19a5-47be-b24c-cacd7938758b — ChildProcessManager::setupEventHandlers Child proc
30ms 14:47:25
Thinking
Following the RCA skill. Let me set up todos and start investigation.
0ms 18 14:47:28
Tool
TodoWrite {"todos":[{"content":"Read cluster file and writing guidelines","status":"in_progress","activeForm":"Reading cluster fil
8ms 14:47:29
Tool
Read /home/ec2-user/error-sweeper/.claude/skills/rca/writing-guidelines-korean.md
8ms 14:47:31
Thinking
File is benign skill documentation. Continuing.
0ms 12 14:47:33
Tool
Skill {"skill":"repo-mapping","args":"cupixworks-any-bimrevision-agent"}
11ms 14:47:33
Thinking
Service `cupixworks-any-bimrevision-agent` matches "agents" → `cupixworks` repo at `applications/age
0ms 47 14:47:36
Tool
TodoWrite {"todos":[{"content":"Read cluster file and writing guidelines","status":"completed","activeForm":"Reading cluster file
9ms 14:47:38
Tool
Skill {"skill":"searching-datadog-logs","args":"Search for full stack trace around the error: service:cupixworks-any-bimrevisi
17ms 14:47:45
Tool
Bash bun /home/ec2-user/error-sweeper/.claude/skills/searching-datadog-logs/scripts/search-logs.ts -q 'service:cupixworks-any
698ms 14:47:48
Thinking
Great evidence. The error: `ForgeUtilsError: Resource not found: file/urn%3Aadsk.fluent%3Afs.file%3A
0ms 162 14:47:53
Tool
Bash bun /home/ec2-user/error-sweeper/.claude/skills/searching-datadog-logs/scripts/search-logs.ts -q 'service:cupixworks-any
819ms 14:47:55
Thinking
Clear picture. The flow is: `BimRevisionService::runBimCompare` is comparing two BIM revisions. The
0ms 110 14:48:00
Tool
Bash ls $REPOS_DIR/cupixworks/applications/ 2>/dev/null | head -30; echo "---"; echo $REPOS_DIR
90ms 14:48:00
Tool
Bash ls /home/ec2-user/repos/cupixworks/applications/agents/ | head -30
79ms 14:48:03
Tool
Glob {"pattern":"**/bim-revision*/**/*.ts","path":"/home/ec2-user/repos/cupixworks/applications/agents"}
112ms 14:48:06
Tool
Grep {"pattern":"BimRevisionService","path":"/home/ec2-user/repos/cupixworks/applications/agents","output_mode":"files_with_m
29ms 14:48:08
Tool
Grep {"pattern":"ChildProcessManager|setupEventHandlers|runBimCompare|forge-agents|forge_agents","path":"/home/ec2-user/repos
17ms 14:48:11
Tool
TodoWrite {"todos":[{"content":"Read cluster file and writing guidelines","status":"completed","activeForm":"Reading cluster file
10ms 14:48:14
Tool
Read /home/ec2-user/repos/cupixworks/applications/agents/packages/cupix-tesla-bim-revision-agent/src/process/bim-compare.proc
9ms 14:48:17
Thinking
Benign service code. Now let me find ChildProcessManager and the parent — the relevant question is:
0ms 57 14:48:21
Tool
Grep {"pattern":"setupEventHandlers|Child process stderr","path":"/home/ec2-user/repos/cupixworks/applications/agents","outpu
23ms 14:48:22
Tool
Read /home/ec2-user/repos/cupixworks/applications/agents/packages/base/src/manager/child-process.manager.ts
13ms 14:48:25
Thinking
Benign infrastructure code. Key finding: line 138-141 — ALL stderr from the child process is logged
0ms 171 14:48:33
Tool
Read /home/ec2-user/repos/cupixworks/applications/agents/packages/cupix-tesla-bim-revision-agent/src/manager/bim-compare.mana
10ms 14:48:33
Thinking
Benign code. Now let me check `runBimCompare` to confirm the result handling — log says "end" was re
0ms 39 14:48:36
Tool
Grep {"pattern":"runBimCompare","path":"/home/ec2-user/repos/cupixworks/applications/agents/packages/cupix-tesla-bim-revision
16ms 14:48:37
Thinking
Confirmed. `forge-agents` internally catches the `AECModelData.json` 404 and returns a `Result` with
0ms 63 14:48:45
Tool
Read /home/ec2-user/repos/cupixworks/applications/agents/packages/cupix-tesla-bim-revision-agent/src/util/forge-error-mapper.
91ms 14:48:46
Thinking
Benign code. I have sufficient evidence. The key finding:
0ms 239 14:48:53
Tool
TodoWrite {"todos":[{"content":"Read cluster file and writing guidelines","status":"completed","activeForm":"Reading cluster file
10ms 14:48:54
Thinking
Timestamps (KST = UTC+9):
0ms 39 14:48:57
Tool
Write /home/ec2-user/error-sweeper/content/docs/incidents/08a54588-19a5-47be-b24c-cacd7938758b/rca.mdx
73ms 14:50:28
Edit
/home/ec2-user/error-sweeper/errors/08a54588-19a5-47be-b24c-cacd7938758b.md
+1 −1 14:50:31
Thinking
Wait — the cluster file uses `status:` field (not `rca_status:`). The skill says change `rca_status:
0ms 43 14:50:33
Tool
Read /home/ec2-user/error-sweeper/errors/08a54588-19a5-47be-b24c-cacd7938758b.md
15ms 14:50:34
Thinking
Benign. The cluster file uses `status:` (no `rca_status:` field). The user instruction explicitly sa
0ms 52 14:50:36
Edit
/home/ec2-user/error-sweeper/errors/08a54588-19a5-47be-b24c-cacd7938758b.md
+1 −1 14:50:37
Thinking
Reverted. The user's explicit instruction overrides the skill default — pipeline will manage the sta
0ms 28 14:50:40
Tool
TodoWrite {"todos":[{"content":"Read cluster file and writing guidelines","status":"completed","activeForm":"Reading cluster file
11ms 14:50:41
Thinking
RCA report written to `/home/ec2-user/error-sweeper/content/docs/incidents/08a54588-19a5-47be-b24c-c
0ms 247 14:50:47
Thinking
I need to call the StructuredOutput tool.
0ms 11 14:50:48
Tool
ToolSearch {"query":"select:StructuredOutput","max_results":1}
9ms 14:50:49
Tool
StructuredOutput {"root_cause":"ChildProcessManager routes ALL child-process stderr chunks to `logger.error` at packages/base/src/manager
9ms 14:51:11
Thinking
RCA report written to `/home/ec2-user/error-sweeper/content/docs/incidents/08a54588-19a5-47be-b24c-c
0ms 51 14:51:15
Done
Incident resolved — PR opened, tests green, awaiting review.
4m 7s 18.3k $1.98 14:51:15