{"record":{"id":"ac6f19582f1849af","repo":"XTLS/Xray-core","slug":"failed-to-decode-config","errorCode":null,"errorMessage":"failed to decode config: ","messagePattern":"failed to decode config: ","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"infra/conf/serial/builder.go","lineNumber":50,"sourceCode":"\t}\n\treturn \"\", errors.New(\"marshal to json failed.\").AtError()\n}\n\nfunc mergeConfigs(files []*core.ConfigSource) (*conf.Config, error) {\n\tcf := &conf.Config{}\n\tfor i, file := range files {\n\t\terrors.LogInfo(context.Background(), \"Reading config: \", file)\n\t\tr, err := confloader.LoadConfig(file.Name)\n\t\tif err != nil {\n\t\t\treturn nil, errors.New(\"failed to read config: \", file).Base(err)\n\t\t}\n\t\tdecoder := ReaderDecoderByFormat[file.Format]\n\t\tif file.Format == \"json\" && UseStrictJSON {\n\t\t\tdecoder = DecodeJSONConfigStrict\n\t\t}\n\t\tc, err := decoder(r)\n\t\tif err != nil {\n\t\t\treturn nil, errors.New(\"failed to decode config: \", file).Base(err)\n\t\t}\n\t\tif i == 0 {\n\t\t\t*cf = *c\n\t\t\tcontinue\n\t\t}\n\t\tcf.Override(c, file.Name)\n\t}\n\treturn cf, nil\n}\n\nfunc BuildConfig(files []*core.ConfigSource) (*core.Config, error) {\n\tconfig, err := mergeConfigs(files)\n\tif err != nil {\n\t\treturn nil, err\n\t}\n\treturn config.Build()\n}\n","sourceCodeStart":32,"sourceCodeEnd":68,"githubUrl":"https://github.com/XTLS/Xray-core/blob/7d214f8b094f75322fa3990f8aadad1c912f24f5/infra/conf/serial/builder.go#L32-L68","documentation":"Error \"failed to decode config: \" thrown in XTLS/Xray-core.","triggerScenarios":"Thrown at infra/conf/serial/builder.go:50 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"7d214f8b094f75322fa3990f8aadad1c912f24f5","analyzedAt":"2026-08-15T14:26:24.325Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}