{"record":{"id":"0c11017be2a097ef","repo":"caddyserver/caddy","slug":"unable-to-stat-log-file-to-see-if-we-need-to-set-p","errorCode":null,"errorMessage":"unable to stat log file to see if we need to set permissions: %v","messagePattern":"unable to stat log file to see if we need to set permissions: (.+?)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"modules/logging/filewriter.go","lineNumber":235,"sourceCode":"\t\tif err := os.MkdirAll(dirPath, dm); err != nil {\n\t\t\treturn nil, err\n\t\t}\n\t}\n\n\t// create/open the file\n\tfile, err := os.OpenFile(fw.Filename, os.O_WRONLY|os.O_APPEND|os.O_CREATE, modeIfCreating)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\tinfo, err := file.Stat()\n\tif roll {\n\t\tfile.Close() // timberjack will reopen it on its own\n\t}\n\n\t// Ensure already existing files have the right mode, since OpenFile will not set the mode in such case.\n\tif configuredMode := os.FileMode(fw.Mode); configuredMode != 0 {\n\t\tif err != nil {\n\t\t\treturn nil, fmt.Errorf(\"unable to stat log file to see if we need to set permissions: %v\", err)\n\t\t}\n\t\t// only chmod if the configured mode is different\n\t\tif info.Mode()&os.ModePerm != configuredMode&os.ModePerm {\n\t\t\tif err = os.Chmod(fw.Filename, configuredMode); err != nil {\n\t\t\t\treturn nil, err\n\t\t\t}\n\t\t}\n\t}\n\n\t// if not rolling, then the plain file handle is all we need\n\tif !roll {\n\t\treturn file, nil\n\t}\n\n\t// otherwise, return a rolling log\n\tif fw.RollSizeMB == 0 {\n\t\tfw.RollSizeMB = 100\n\t}","sourceCodeStart":217,"sourceCodeEnd":253,"githubUrl":"https://github.com/caddyserver/caddy/blob/50e54ee279aa1e504fe218ca49ab6ae16c100410/modules/logging/filewriter.go#L217-L253","documentation":"Error \"unable to stat log file to see if we need to set permissions: %v\" thrown in caddyserver/caddy.","triggerScenarios":"Thrown at modules/logging/filewriter.go:235 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Check that the log file path is accessible and the process has permission to stat it."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"50e54ee279aa1e504fe218ca49ab6ae16c100410","analyzedAt":"2026-08-15T09:20:21.641Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}