{"record":{"id":"63ea1d5ec44d53ad","repo":"JuliusBrussee/caveman","slug":"cachebench-invalid-bedrock-region","errorCode":null,"errorMessage":"cachebench: invalid Bedrock region","messagePattern":"cachebench: invalid Bedrock region","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cacheengine/cachebench/replay_http.go","lineNumber":172,"sourceCode":"\t\treturn ReplayResponse{StatusCode: response.StatusCode}, errors.New(\"cachebench: provider response read failed\")\n\t}\n\tif int64(len(body)) > transport.maxResponseBytes {\n\t\treturn ReplayResponse{StatusCode: response.StatusCode}, errors.New(\"cachebench: provider response exceeds configured limit\")\n\t}\n\treturn ReplayResponse{\n\t\tStatusCode: response.StatusCode, Body: body,\n\t\tProviderRequestID: providerRequestID(response.Header),\n\t}, nil\n}\n\nfunc (transport *HTTPReplayTransport) endpoint(provider string, outbound ReplayOutbound) (*url.URL, error) {\n\tif !validBoundedText(outbound.Model, 512, false) {\n\t\treturn nil, errors.New(\"cachebench: invalid replay model\")\n\t}\n\tbase := transport.baseURLs[provider]\n\tif provider == \"bedrock\" && base == nil {\n\t\tif !validAWSRegion(outbound.Region) {\n\t\t\treturn nil, errors.New(\"cachebench: invalid Bedrock region\")\n\t\t}\n\t\tparsed, _ := url.Parse(\"https://bedrock-runtime.\" + outbound.Region + \".amazonaws.com\")\n\t\tbase = parsed\n\t}\n\tif base == nil {\n\t\treturn nil, fmt.Errorf(\"cachebench: unsupported replay provider %q\", provider)\n\t}\n\tvar path, rawPath string\n\tswitch provider {\n\tcase \"openai\":\n\t\tif outbound.Endpoint != \"/v1/chat/completions\" && outbound.Endpoint != \"/v1/responses\" {\n\t\t\treturn nil, errors.New(\"cachebench: unsupported OpenAI replay endpoint\")\n\t\t}\n\t\tpath = outbound.Endpoint\n\tcase \"anthropic\":\n\t\tif outbound.Endpoint != \"/v1/messages\" {\n\t\t\treturn nil, errors.New(\"cachebench: unsupported Anthropic replay endpoint\")\n\t\t}","sourceCodeStart":154,"sourceCodeEnd":190,"githubUrl":"https://github.com/JuliusBrussee/caveman/blob/27d5a3981a347890211bb1bf2439e5c821a63bc9/cacheengine/cachebench/replay_http.go#L154-L190","documentation":"Error \"cachebench: invalid Bedrock region\" thrown in JuliusBrussee/caveman.","triggerScenarios":"Thrown at cacheengine/cachebench/replay_http.go:172 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Use a valid Bedrock region."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"27d5a3981a347890211bb1bf2439e5c821a63bc9","analyzedAt":"2026-08-15T09:26:11.751Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}