{"record":{"id":"9c22813a094e490f","repo":"JuliusBrussee/caveman","slug":"cachebench-trace-request-q-has-incomplete-native","errorCode":null,"errorMessage":"cachebench: trace request %q has incomplete native request","messagePattern":"cachebench: trace request %q has incomplete native request","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cacheengine/cachebench/simulate.go","lineNumber":92,"sourceCode":"\t\treturn ProviderReport{}, err\n\t}\n\treturn evaluateSimulatedTrace(ctx, engine, trace, target), nil\n}\n\nfunc validateTrace(trace Trace) error {\n\tseen := make(map[string]bool, len(trace.Requests))\n\tvar previous time.Time\n\tfor index, request := range trace.Requests {\n\t\tif strings.TrimSpace(request.ID) == \"\" || seen[request.ID] {\n\t\t\treturn fmt.Errorf(\"cachebench: trace request %d empty or duplicate ID\", index)\n\t\t}\n\t\tseen[request.ID] = true\n\t\tif request.At.IsZero() || (!previous.IsZero() && request.At.Before(previous)) {\n\t\t\treturn fmt.Errorf(\"cachebench: trace request %q has invalid time order\", request.ID)\n\t\t}\n\t\tprevious = request.At\n\t\tif len(request.Native.Body) == 0 || strings.TrimSpace(request.Native.Provider) == \"\" || strings.TrimSpace(request.Native.Model) == \"\" || strings.TrimSpace(request.Native.Epoch) == \"\" {\n\t\t\treturn fmt.Errorf(\"cachebench: trace request %q has incomplete native request\", request.ID)\n\t\t}\n\t\tif request.StableSegmentCount < 0 || request.StableSegmentCount > len(request.Prefix) || !validPrefix(request.Prefix) {\n\t\t\treturn fmt.Errorf(\"cachebench: trace request %q has invalid prefix\", request.ID)\n\t\t}\n\t\tif request.DeclaredInputTokens <= 0 || request.DeclaredInputTokens < request.Native.PrefixTokens || request.MaxOutputTokens <= 0 {\n\t\t\treturn fmt.Errorf(\"cachebench: trace request %q has invalid billed-token budget\", request.ID)\n\t\t}\n\t}\n\treturn nil\n}\n\nfunc validPrefix(prefix []PrefixSegment) bool {\n\tif len(prefix) == 0 {\n\t\treturn false\n\t}\n\ttotal := 0\n\tfor _, segment := range prefix {\n\t\tif !validBoundedText(segment.ID, 1024, false) || segment.Tokens <= 0 || segment.Tokens > math.MaxInt-total {","sourceCodeStart":74,"sourceCodeEnd":110,"githubUrl":"https://github.com/JuliusBrussee/caveman/blob/27d5a3981a347890211bb1bf2439e5c821a63bc9/cacheengine/cachebench/simulate.go#L74-L110","documentation":"Error \"cachebench: trace request %q has incomplete native request\" thrown in JuliusBrussee/caveman.","triggerScenarios":"Thrown at cacheengine/cachebench/simulate.go:92 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Complete the native request fields on the trace request."],"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"}