{"record":{"id":"e0185f45ae1b5f58","repo":"flipped-aurora/gin-vue-admin","slug":"staging-w","errorCode":null,"errorMessage":"创建自动代码 staging 目录失败: %w","messagePattern":"创建自动代码 staging 目录失败: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"server/service/system/auto_code_task.go","lineNumber":74,"sourceCode":"\tserverRoot, err := pathWithin(root, server)\n\tif err != nil {\n\t\treturn autoCodeTaskLayout{}, fmt.Errorf(\"服务端目录无效: %w\", err)\n\t}\n\twebRoot, err := pathWithin(root, web)\n\tif err != nil {\n\t\treturn autoCodeTaskLayout{}, fmt.Errorf(\"前端目录无效: %w\", err)\n\t}\n\treturn autoCodeTaskLayout{\n\t\troot:       filepath.Clean(root),\n\t\tserverRoot: serverRoot,\n\t\twebRoot:    webRoot,\n\t}, nil\n}\n\nfunc prepareAutoCodeFileTask(layout autoCodeTaskLayout, files map[string][]byte) (_ *autoCodeFileTask, err error) {\n\tstagingDir, err := os.MkdirTemp(layout.root, autoCodeStagingPrefix)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"创建自动代码 staging 目录失败: %w\", err)\n\t}\n\ttask := &autoCodeFileTask{\n\t\tlayout:     layout,\n\t\tstagingDir: stagingDir,\n\t\tfiles:      make([]autoCodeTaskFile, 0, len(files)),\n\t}\n\tdefer func() {\n\t\tif err != nil {\n\t\t\ttask.cleanup()\n\t\t}\n\t}()\n\n\ttargets := make([]string, 0, len(files))\n\tnormalizedFiles := make(map[string][]byte, len(files))\n\tfor target, content := range files {\n\t\tabsoluteTarget, absoluteErr := filepath.Abs(target)\n\t\tif absoluteErr != nil {\n\t\t\treturn nil, fmt.Errorf(\"解析目标路径 %q 失败: %w\", target, absoluteErr)","sourceCodeStart":56,"sourceCodeEnd":92,"githubUrl":"https://github.com/flipped-aurora/gin-vue-admin/blob/3136500ef380842b0eb6c4daa87c3f8a47fcf9e0/server/service/system/auto_code_task.go#L56-L92","documentation":"Thrown by prepareAutoCodeFileTask when os.MkdirTemp(layout.root, autoCodeStagingPrefix) cannot create the temporary staging directory under the auto-code root. All generated files are written here first, so the task cannot proceed without it.","triggerScenarios":"Called via prepareRequestFileTask/Create when creating the temp dir fails: root directory missing or read-only, disk full, permission denied for the process user, or too many open files.","commonSituations":"Running the server as a non-root user without write access to the repo root; read-only container filesystem; disk quota exceeded; root deleted after startup.","solutions":["Check the wrapped %w cause (permission denied / no such file / no space) and fix accordingly.","Ensure the auto-code root exists and is writable by the server process user (chown/chmod).","Free disk space or raise quota if 'no space left on device'.","In containers, mount the code root as a writable volume."],"exampleFix":null,"handlingStrategy":"validation","validationCode":"if fi, err := os.Stat(root); err != nil || !fi.IsDir() {\n    return fmt.Errorf(\"root not writable/missing: %s\", root)\n}\nif err := syscall.Access(root, os.O_WRONLY); err != nil {\n    return fmt.Errorf(\"root not writable: %w\", err)\n}","typeGuard":null,"tryCatchPattern":"task, err := prepareAutoCodeFileTask(layout, files)\nif err != nil {\n    if errors.Is(err, os.ErrPermission) {\n        return fmt.Errorf(\"run server with write access to %s\", layout.root)\n    }\n    return err\n}\ndefer os.RemoveAll(task.stagingDir)","preventionTips":["Ensure the server user owns or can write the code root.","Use writable volumes in containers; avoid read-only rootfs.","Monitor disk space/quota.","Always clean up staging dirs via defer."],"tags":["filesystem","permissions","auto-code","temp-directory"],"backgroundTag":"mkdir-temp-failed","analyzedSha":"3136500ef380842b0eb6c4daa87c3f8a47fcf9e0","analyzedAt":"2026-08-31T13:50:02.721Z","schemaVersion":2},"datasetVersion":"2026-08-31T22:30:34.772Z"}