{"record":{"id":"f731b0036bc6b439","repo":"flipped-aurora/gin-vue-admin","slug":"s-w-f731b0","errorCode":null,"errorMessage":"检查自动代码目标 %s 失败: %w","messagePattern":"检查自动代码目标 (.+?) 失败: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"server/service/system/auto_code_task.go","lineNumber":139,"sourceCode":"\t\t\tStagedPath: filepath.Join(stagingDir, fmt.Sprintf(\"%06d\", index)),\n\t\t}\n\t\tstat, statErr := os.Stat(target)\n\t\tswitch {\n\t\tcase statErr == nil:\n\t\t\tif !stat.Mode().IsRegular() {\n\t\t\t\treturn nil, fmt.Errorf(\"自动代码目标不是普通文件: %s\", target)\n\t\t\t}\n\t\t\tbefore, readErr := os.ReadFile(target)\n\t\t\tif readErr != nil {\n\t\t\t\treturn nil, fmt.Errorf(\"读取自动代码目标 %s 失败: %w\", target, readErr)\n\t\t\t}\n\t\t\tfile.Existed = true\n\t\t\tfile.Mode = stat.Mode().Perm()\n\t\t\tfile.BeforeContent = before\n\t\t\tfile.BeforeHash = hashAutoCodeContent(before)\n\t\tcase errors.Is(statErr, fs.ErrNotExist):\n\t\tdefault:\n\t\t\treturn nil, fmt.Errorf(\"检查自动代码目标 %s 失败: %w\", target, statErr)\n\t\t}\n\t\tif writeErr := replaceAutoCodeFileAtomically(file.StagedPath, content, file.Mode); writeErr != nil {\n\t\t\treturn nil, fmt.Errorf(\"写入自动代码 staging 失败: %w\", writeErr)\n\t\t}\n\t\ttask.files = append(task.files, file)\n\t}\n\treturn task, nil\n}\n\nfunc commitAutoCodeFileTask(task *autoCodeFileTask, publish autoCodeFilePublisher, persist func() error) error {\n\tif task == nil || publish == nil || persist == nil {\n\t\treturn errors.New(\"自动代码任务提交参数不能为空\")\n\t}\n\tdefer task.cleanup()\n\n\tbackendApplied, err := task.apply(autoCodeTaskBackend, publish)\n\tif err != nil {\n\t\treturn joinAutoCodeRollbackError(err, task.rollback(backendApplied))","sourceCodeStart":121,"sourceCodeEnd":157,"githubUrl":"https://github.com/flipped-aurora/gin-vue-admin/blob/3136500ef380842b0eb6c4daa87c3f8a47fcf9e0/server/service/system/auto_code_task.go#L121-L157","documentation":"Returned when os.Stat on a target fails with an error other than ErrNotExist — i.e. the existence check itself failed. Typical causes are permission denied on a parent directory, ErrPermission, or ErrInvalid paths; ErrNotExist is deliberately tolerated (file is treated as new), everything else aborts. The underlying statErr is wrapped with %w for errors.Is inspection.","triggerScenarios":"A path component above the target is not readable/executable by the server process (EACCES on stat); the path is too long (ENAMETOOLONG); the target is on an unavailable mount; circular symlink loops on a path component (ELOOP).","commonSituations":"Workspace directories owned by another user with restrictive modes; running the service inside a container where repo volumes are mounted root-only; macOS/Linux path-length limits with deeply nested generated files; network filesystems briefly unavailable in CI.","solutions":["Check and fix permissions on every parent directory of the target so the server process can stat the path (chmod a+rx or chown).","Verify the full target path with `ls -la <dir>` as the same user the server runs as, reproducing the stat failure.","Shorten the target path if ENAMETOOLONG is the wrapped cause.","If the file actually should not exist but stat returns an error, remove the problematic symlink or stale mount causing ELOOP/ENXIO."],"exampleFix":"// before\ndrwx------ 10 other dev server/  // server user cannot traverse\n// after\nchmod o+rx server/  # or run server as workspace owner\n# retry the autocode task","handlingStrategy":"try-catch","validationCode":"func canStatTarget(target string) error {\n  if _, err := os.Stat(target); err != nil && !errors.Is(err, fs.ErrNotExist) {\n    return fmt.Errorf(\"cannot stat target %s: %w\", target, err)\n  }\n  return nil\n}","typeGuard":null,"tryCatchPattern":"// Distinguish tolerated ErrNotExist from fatal stat failures\nif err := svc.Create(c, req); err != nil {\n  if errors.Is(err, fs.ErrPermission) || errors.Is(err, syscall.ELOOP) {\n    return fmt.Errorf(\"unrecoverable stat failure on target path: %v\", err)\n  }\n  return err\n}","preventionTips":["Ensure execute (x) permission on every parent directory of generation targets for the server's user.","Keep target paths under the project root and reasonably short to avoid ENAMETOOLONG.","Check mounted volumes are healthy and readable before running generation tasks in CI/containers."],"tags":["go","filesystem","stat-failed","permission","autocode"],"backgroundTag":"stat-permission-denied","analyzedSha":"3136500ef380842b0eb6c4daa87c3f8a47fcf9e0","analyzedAt":"2026-08-31T13:50:02.721Z","schemaVersion":2},"datasetVersion":"2026-08-31T22:30:34.772Z"}