{"record":{"id":"c4f734e4e4a4ca21","repo":"plandex-ai/plandex","slug":"error-building-validate-v","errorCode":null,"errorMessage":"error building validate: %v","messagePattern":"error building validate: (.+?)","errorType":"http","errorClass":null,"httpStatus":500,"severity":"error","filePath":"app/server/model/plan/build_validate_and_fix.go","lineNumber":131,"sourceCode":"\t\t\tsyntaxErrors:    syntaxErrors,\n\t\t\treasons:         reasons,\n\t\t\tmodelConfig:     &modelConfig,\n\t\t\tvalidateOnly:    isLastAttempt && params.validateOnlyOnFinalAttempt,\n\t\t\tphase:           currentAttempt,\n\t\t\tisInitial:       params.isInitial,\n\t\t\tsessionId:       params.sessionId,\n\t\t}\n\n\t\tlog.Printf(\"Calling buildValidate for attempt %d\", currentAttempt)\n\t\tres, err := fileState.buildValidate(ctx, validateParams)\n\t\tif err != nil {\n\t\t\tif errors.Is(err, context.Canceled) {\n\t\t\t\tlog.Printf(\"Context canceled during buildValidate\")\n\t\t\t\treturn buildValidateLoopResult{}, err\n\t\t\t}\n\n\t\t\tlog.Printf(\"Error in buildValidate during attempt %d: %v\", currentAttempt, err)\n\t\t\treturn buildValidateLoopResult{}, fmt.Errorf(\"error building validate: %v\", err)\n\t\t}\n\t\tupdated = res.updated\n\n\t\tsyntaxErrors = fileState.validateSyntax(ctx, updated)\n\t\tlog.Printf(\"Found %d syntax errors after attempt %d\", len(syntaxErrors), currentAttempt)\n\n\t\tif res.valid && len(syntaxErrors) == 0 {\n\t\t\tlog.Printf(\"Validation succeeded in attempt %d\", currentAttempt)\n\t\t\treturn buildValidateLoopResult{\n\t\t\t\tvalid:   res.valid,\n\t\t\t\tupdated: res.updated,\n\t\t\t}, nil\n\t\t}\n\n\t\tproblems = append(problems, res.problem)\n\n\t\tlog.Printf(\"Validation failed in attempt %d, preparing for next attempt\", currentAttempt)\n","sourceCodeStart":113,"sourceCodeEnd":149,"githubUrl":"https://github.com/plandex-ai/plandex/blob/e2d772072efadbe41d2946d97d79be55532dbab5/app/server/model/plan/build_validate_and_fix.go#L113-L149","documentation":"buildValidateLoop wraps any non-cancellation error from fileState.buildValidate into \"error building validate: %v\" and aborts the whole validate-and-fix loop, returning the error to its caller. It means the per-attempt LLM validation/repair step failed outright (as opposed to validation merely reporting the file invalid). Context cancellation is special-cased and propagated unwrapped.","triggerScenarios":"fileState.buildValidate(ctx, validateParams) returns a non-nil error that is not context.Canceled — e.g. the LLM validation call failed (network, auth, rate limit), XML response parsing returned an error like the handleXMLResponse failures, or diff computation inside buildValidate failed.","commonSituations":"Provider 429/5xx during the validation attempt, malformed model XML triggering the 'no old content found for replacement' path, expired credentials, or a transient network drop mid-stream.","solutions":["Check the wrapped inner error to find the root cause (API vs parsing vs diff).","Retry the plan build — the loop already switches to a stronger model after attempt 2, so transient provider errors may resolve on a fresh run.","If the inner error is context.Canceled wrapped deeper, ensure errors.Is/As unwrapping is used so cancellation isn't reported as a build failure.","Verify model credentials and quota before starting long validate/fix loops."],"exampleFix":"// before\nres, err := fileState.buildValidate(ctx, validateParams)\nif err != nil {\n    if errors.Is(err, context.Canceled) { return buildValidateLoopResult{}, err }\n    return buildValidateLoopResult{}, fmt.Errorf(\"error building validate: %v\", err)\n}\n// after\nres, err := fileState.buildValidate(ctx, validateParams)\nif err != nil {\n    if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {\n        return buildValidateLoopResult{}, err // propagate, don't wrap\n    }\n    return buildValidateLoopResult{}, fmt.Errorf(\"error building validate (attempt %d): %w\", currentAttempt, err)\n}","handlingStrategy":"try-catch","validationCode":"// Pre-flight provider check before the validate loop\nif err := clients.Ping(ctx); err != nil {\n    return buildValidateLoopResult{}, fmt.Errorf(\"provider unavailable: %w\", err)\n}","typeGuard":"func isCancellation(err error) bool {\n    return errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded)\n}","tryCatchPattern":"res, err := fileState.buildValidate(ctx, validateParams)\nif err != nil {\n    if isCancellation(err) {\n        return buildValidateLoopResult{}, err\n    }\n    return buildValidateLoopResult{}, fmt.Errorf(\"error building validate (attempt %d): %w\", currentAttempt, err)\n}","preventionTips":["Always use errors.Is(err, context.Canceled) before wrapping so cancellation stays distinguishable.","Use %w instead of %v when wrapping so callers can unwrap root causes.","Check provider quota/auth before starting multi-attempt validate loops.","Log the attempt number and inner error to make transient-vs-permanent failures diagnosable."],"tags":["llm","validation","retry-loop","error-wrapping"],"backgroundTag":"llm-validation-call-failed","analyzedSha":"e2d772072efadbe41d2946d97d79be55532dbab5","analyzedAt":"2026-09-05T20:56:53.631Z","contentChangedAt":"2026-09-05T20:56:53.631Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}