{"record":{"id":"6add2253a958fb4d","repo":"vxcontrol/pentagi","slug":"failed-to-create-http-client-w-6add22","errorCode":null,"errorMessage":"failed to create http client: %w","messagePattern":"failed to create http client: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"backend/pkg/tools/searchers/google.go","lineNumber":116,"sourceCode":"\n\treturn g.formatResults(resp), nil\n}\n\nfunc (g *google) formatResults(res *customsearch.Search) string {\n\tvar writer strings.Builder\n\tfor i, item := range res.Items {\n\t\twriter.WriteString(fmt.Sprintf(\"# %d. %s\\n\\n\", i+1, item.Title))\n\t\twriter.WriteString(fmt.Sprintf(\"## URL\\n%s\\n\\n\", item.Link))\n\t\twriter.WriteString(fmt.Sprintf(\"## Snippet\\n\\n%s\\n\\n\", item.Snippet))\n\t}\n\n\treturn writer.String()\n}\n\nfunc (g *google) newSearchService(ctx context.Context) (*customsearch.Service, error) {\n\tclient, err := system.GetHTTPClient(g.cfg)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"failed to create http client: %w\", err)\n\t}\n\n\t// google.golang.org/api normally injects the API key through the HTTP transport it\n\t// builds itself. But we MUST supply our own proxy/TLS client via WithHTTPClient, and\n\t// WithHTTPClient takes precedence — it replaces that transport, so option.WithAPIKey\n\t// is silently dropped and requests go out unauthenticated (HTTP 403 \"unregistered\n\t// caller\"). Attach the key ourselves as the `key` query parameter (the documented\n\t// Custom Search auth) by wrapping the proxy client's transport.\n\tclient.Transport = &googleAPIKeyTransport{\n\t\tkey:  g.apiKey(),\n\t\tbase: client.Transport,\n\t}\n\n\tsvc, err := customsearch.NewService(ctx, option.WithHTTPClient(client))\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"failed to create google search service: %v\", err)\n\t}\n","sourceCodeStart":98,"sourceCodeEnd":134,"githubUrl":"https://github.com/vxcontrol/pentagi/blob/ea665308baaff015b226f308438a68d929d0f29b/backend/pkg/tools/searchers/google.go#L98-L134","documentation":"newSearchService returns 'failed to create http client: %w' when system.GetHTTPClient(g.cfg) cannot construct the shared proxy/TLS-aware HTTP client. It is wrapped by Handle into a Fatal error, so Google is skipped for the query. This is a local client-construction failure — no Google request was made.","triggerScenarios":"system.GetHTTPClient fails loading proxy configuration or TLS material: malformed HTTPS_PROXY URL, missing/unreadable CA certificate file, or invalid TLS config derived from cfg.","commonSituations":"HTTPS_PROXY set to an invalid URL in .env/docker-compose; custom CA bundle path wrong or file not mounted into the container; TLS config env vars misformatted after a config refactor.","solutions":["Inspect the wrapped cause and fix the offending config value (proxy URL, CA cert path)","Validate HTTPS_PROXY/HTTP_PROXY/NO_PROXY and CA bundle env vars in .env and docker-compose.yml","Mount the CA certificate file into the container if a custom CA is required","Test locally: the same GetHTTPClient is used by other engines, so if all engines fail, the problem is shared client config, not Google"],"exampleFix":"// before\nHTTPS_PROXY=proxy.internal:3128\n// after (valid URL with scheme)\nHTTPS_PROXY=http://proxy.internal:3128","handlingStrategy":"validation","validationCode":"// validate client construction at startup, before any search\nif _, err := system.GetHTTPClient(cfg); err != nil {\n    log.Fatalf(\"invalid proxy/TLS config: %v\", err)\n}","typeGuard":null,"tryCatchPattern":null,"preventionTips":["Parse HTTPS_PROXY/HTTP_PROXY with url.Parse and check scheme at startup","Verify CA bundle paths are mounted and readable inside the container","Since all engines share GetHTTPClient, add it to an init smoke test"],"tags":["google","http-client","proxy","tls","config"],"backgroundTag":"http-client-init-failed","analyzedSha":"ea665308baaff015b226f308438a68d929d0f29b","analyzedAt":"2026-09-01T14:16:31.421Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}