{"record":{"id":"4cf7de1a36d7f333","repo":"caddyserver/caddy","slug":"adapter-name-is-required-use-adapt-flag-or-leav","errorCode":null,"errorMessage":"adapter name is required (use --adapt flag or leave unspecified for default)","messagePattern":"adapter name is required \\(use --adapt flag or leave unspecified for default\\)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"cmd/commandfuncs.go","lineNumber":576,"sourceCode":"\tvar err error\n\tconfigFlag, err = configFileWithRespectToDefault(caddy.Log(), configFlag)\n\tif err != nil {\n\t\treturn caddy.ExitCodeFailedStartup, err\n\t}\n\tif configFlag == \"\" {\n\t\treturn caddy.ExitCodeFailedStartup,\n\t\t\tfmt.Errorf(\"input file required when there is no Caddyfile in current directory (use --config flag)\")\n\t}\n\n\t// load all additional envs as soon as possible\n\terr = handleEnvFileFlag(fl)\n\tif err != nil {\n\t\treturn caddy.ExitCodeFailedStartup, err\n\t}\n\n\tif adapterFlag == \"\" {\n\t\treturn caddy.ExitCodeFailedStartup,\n\t\t\tfmt.Errorf(\"adapter name is required (use --adapt flag or leave unspecified for default)\")\n\t}\n\n\tcfgAdapter := caddyconfig.GetAdapter(adapterFlag)\n\tif cfgAdapter == nil {\n\t\treturn caddy.ExitCodeFailedStartup,\n\t\t\tfmt.Errorf(\"unrecognized config adapter: %s\", adapterFlag)\n\t}\n\n\tvar input []byte\n\t// read from stdin if the file name is \"-\"\n\tif configFlag == \"-\" {\n\t\tinput, err = io.ReadAll(os.Stdin)\n\t} else {\n\t\tinput, err = os.ReadFile(configFlag)\n\t}\n\tif err != nil {\n\t\treturn caddy.ExitCodeFailedStartup,\n\t\t\tfmt.Errorf(\"reading input file: %v\", err)","sourceCodeStart":558,"sourceCodeEnd":594,"githubUrl":"https://github.com/caddyserver/caddy/blob/50e54ee279aa1e504fe218ca49ab6ae16c100410/cmd/commandfuncs.go#L558-L594","documentation":"Error \"adapter name is required (use --adapt flag or leave unspecified for default)\" thrown in caddyserver/caddy.","triggerScenarios":"Thrown at cmd/commandfuncs.go:576 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Specify the adapter name with --adapter, or omit it to use the default 'caddyfile' adapter."],"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":"2026-08-15T22:17:37.221Z"}