Elasticsearch::Transport::Transport::Errors::BadRequest: [400] {"error":{"root_cause":[{"type":"x_content_parse_exceptio
Runs (24h)
1
● completed
Total tokens
14.8k
Cost
$1.35USD
p50 / p95 latency
3m 47s
Eval score
Agent run 224ceeff-b748-48c5-992e-138e5a822ff3
Started 08:07:41 · finished 08:11:29 · 3m 47s wall time · 57 steps · 38 tools · 0 edits · Completed
Phase 1
Root Cause Analysis
Thinking
I'll start by invoking the rca skill and reading the cluster file.
0ms 17 17:07:43
Tool
Skill rca
534ms 17:07:44
Tool
Read /home/ec2-user/error-sweeper/errors/224ceeff-b748-48c5-992e-138e5a822ff3.md
25ms 17:07:44
Thinking
Let me load the Skill tool properly.
0ms 9 17:07:47
Tool
ToolSearch {"query":"select:Skill","max_results":1}
21ms 17:07:48
Tool
Skill {"skill":"rca","args":"errors/224ceeff-b748-48c5-992e-138e5a822ff3.md"}
30ms 17:07:50
Thinking
Let me start with the status board check and gather context. The cluster has a stale representative
0ms 43 17:07:52
Tool
Skill {"skill":"status-board"}
639ms 17:07:53
Tool
ToolSearch {"query":"select:searching-datadog-logs,repo-mapping,searching-kibana","max_results":3}
25ms 17:07:53
Tool
Bash bun run cli/incident-board.ts for-cluster 224ceeff-b748-48c5-992e-138e5a822ff3
798ms 17:07:56
Tool
ToolSearch {"query":"searching datadog logs","max_results":3}
689ms 17:07:56
Thinking
Status board: `dep:elasticsearch`, no active incident. One resolved ES outage on 2026-07-29 (unrelat
0ms 88 17:08:01
Tool
ToolSearch {"query":"select:searching-datadog-logs,repo-mapping","max_results":2}
23ms 17:08:01
Tool
Skill {"skill":"searching-datadog-logs"}
296ms 17:08:03
Tool
Skill {"skill":"repo-mapping"}
36ms 17:08:03
Thinking
The service is `cupixvista-elasticsearch` — an APM adapter name. The error is an Elasticsearch query
0ms 97 17:08:07
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q 'status:error "distance must be greater than zero"'
1.1s 17:08:08
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q '"x_content_parse_exception"' -f "now-3d" 2>&1 | hea
1.7s 17:08:13
Thinking
Critical finding. The Representative Error (about geo `distance must be greater than zero` on `filte
0ms 203 17:08:21
Tool
Bash ls $HOME 2>/dev/null; echo "---REPOS---"; echo $REPOS_DIR; ls "$REPOS_DIR" 2>/dev/null; echo "---search vista---"; ls "$
874ms 17:08:23
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q 'service:cupixvista-elasticsearch' -f "now-3d" 2>&1
591ms 17:08:24
Thinking
No `cupixvista` repo checked out. The `Api::V1::ReviewsController#index` endpoint is the key. Let me
0ms 80 17:08:28
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q '"Api::V1::ReviewsController"' -f "now-3d" 2>&1 | he
1.2s 17:08:29
Tool
Grep {"query":"ReviewsController","path":"/home/ec2-user/repos","output_mode":"files_with_matches"}
636ms 17:08:29
Thinking
`Api::V1::ReviewsController#index` is a real Rails controller. Let me find which service these logs
0ms 37 17:08:33
Tool
ToolSearch {"query":"select:Grep,Read","max_results":2}
2.0s 17:08:33
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q '"Api::V1::ReviewsController#index"' -f "now-3d" 2>&
2.3s 17:08:35
Thinking
The service field isn't in the default output. The `502 GET /api/v1/reviews` logs earlier were `stat
0ms 55 17:08:41
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q '"[502] GET /api/v1/reviews" "x_content_parse_except
1.6s 17:08:43
Tool
Grep {"pattern":"class ReviewsController","path":"/home/ec2-user/repos/tesla","output_mode":"files_with_matches"}
849ms 17:08:43
Thinking
Now I have solid evidence. Real service is **`cupixworks-api`** (tesla repo). Key facts:
0ms 183 17:08:49
Tool
Grep {"pattern":"reviews","path":"/home/ec2-user/repos/tesla/config/routes.rb","output_mode":"content","-i":true}
658ms 17:08:50
Tool
Bash find /home/ec2-user/repos/tesla/app -iname '*review*' 2>/dev/null | head -40
103ms 17:08:51
Tool
Read /home/ec2-user/repos/tesla/app/controllers/api/v1/reviews_controller.rb
367ms 17:08:54
Tool
Read /home/ec2-user/repos/tesla/app/models/concerns/searchable/review.rb
23ms 17:08:54
Thinking
Now let me trace `Cupix::QueryOption::Review` and the repository `search` that builds the ES query w
0ms 52 17:08:57
Tool
Bash cd /home/ec2-user/repos/tesla
find . -path ./node_modules -prune -o -name '*.rb' -print 2>/dev/null | xargs grep -l "Que
676ms 17:09:00
Tool
Grep {"pattern":"multi_match","path":"/home/ec2-user/repos/tesla/app","output_mode":"files_with_matches"}
242ms 17:09:00
Thinking
`multi_match` isn't in review_repository directly — it's in a shared search-building concern. Let me
0ms 53 17:09:03
Tool
Read /home/ec2-user/repos/tesla/lib/cupix/query_option/review.rb
846ms 17:09:04
Tool
Grep {"pattern":"multi_match","path":"/home/ec2-user/repos/tesla/lib","output_mode":"files_with_matches"}
34ms 17:09:05
Tool
Read /home/ec2-user/repos/tesla/lib/cupix/query_option/base.rb
15ms 17:09:08
Thinking
Found it. `set_search_string` (base.rb:138-166) builds the `multi_match` clause. The error `[multi_m
0ms 161 17:09:19
Tool
Grep {"pattern":"query_string","path":"/home/ec2-user/repos/tesla/app/controllers","output_mode":"content","-n":true,"head_li
958ms 17:09:21
Tool
Grep {"pattern":"def get_query_option","path":"/home/ec2-user/repos/tesla/app","output_mode":"content","-n":true,"-A":30}
47ms 17:09:22
Thinking
Confirmed root cause. `query_string: params[:q]` at searchable_controller.rb:23.
0ms 264 17:09:29
Tool
Read /home/ec2-user/repos/tesla/app/controllers/concerns/searchable_controller.rb
1.8s 17:09:30
Tool
Bash cd /home/ec2-user/repos/tesla && git log -1 --format='%h %ci %s' 2>/dev/null; echo "--- blame set_search_string multi_ma
148ms 17:09:32
Thinking
I have all the evidence needed. Now let me examine the log context: this is `env:dev`, tenant `cupix
0ms 98 17:09:36
Tool
Bash bun .claude/skills/searching-datadog-logs/scripts/search-logs.ts -q '"[502] GET /api/v1/reviews" "x_content_parse_except
471ms 17:09:38
Thinking
All recent occurrences: **env=dev, user_agent=curl/8.7.1** — manual curl calls, not real users, not
0ms 201 17:09:46
Tool
Write /home/ec2-user/error-sweeper/content/docs/incidents/224ceeff-b748-48c5-992e-138e5a822ff3/rca.mdx
65ms 17:10:59
Thinking
RCA report written. I did not modify the cluster frontmatter (pipeline manages the status field, per
0ms 344 17:11:07
Tool
ToolSearch {"query":"select:StructuredOutput","max_results":1}
10ms 17:11:09
Tool
StructuredOutput {"root_cause":"Client input error (noise), not a server code defect. GET /api/v1/reviews (Api::V1::ReviewsController#ind
7ms 17:11:24
Thinking
RCA complete. Report written to `content/docs/incidents/224ceeff-b748-48c5-992e-138e5a822ff3/rca.mdx
0ms 142 17:11:29
Done
Incident resolved — PR opened, tests green, awaiting review.
3m 47s 14.8k $1.35 17:11:29