{"record":{"id":"5d0e4f39f561d589","repo":"caddyserver/caddy","slug":"unexpected-type-from-default-bind-global-options","errorCode":null,"errorMessage":"unexpected type from 'default_bind' global options: %T","messagePattern":"unexpected type from 'default_bind' global options: %T","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"caddyconfig/httpcaddyfile/httptype.go","lineNumber":431,"sourceCode":"\t\t\t\texistingOpts = []ConfigValue{}\n\t\t\t}\n\t\t\tlogOpts, ok := val.([]ConfigValue)\n\t\t\tif !ok {\n\t\t\t\treturn nil, fmt.Errorf(\"unexpected type from 'log' global options: %T\", val)\n\t\t\t}\n\t\t\toptions[opt] = append(existingOpts, logOpts...)\n\t\t\tcontinue\n\t\t}\n\t\t// Also fold multiple \"default_bind\" options together into an\n\t\t// array so that server blocks can have multiple binds by default.\n\t\tif opt == \"default_bind\" {\n\t\t\texistingOpts, ok := options[opt].([]ConfigValue)\n\t\t\tif !ok {\n\t\t\t\texistingOpts = []ConfigValue{}\n\t\t\t}\n\t\t\tdefaultBindOpts, ok := val.([]ConfigValue)\n\t\t\tif !ok {\n\t\t\t\treturn nil, fmt.Errorf(\"unexpected type from 'default_bind' global options: %T\", val)\n\t\t\t}\n\t\t\toptions[opt] = append(existingOpts, defaultBindOpts...)\n\t\t\tcontinue\n\t\t}\n\n\t\toptions[opt] = val\n\t}\n\n\t// If we got \"servers\" options, we'll sort them by their listener address\n\tif serverOpts, ok := options[\"servers\"].([]serverOptions); ok {\n\t\tsort.Slice(serverOpts, func(i, j int) bool {\n\t\t\treturn len(serverOpts[i].ListenerAddress) > len(serverOpts[j].ListenerAddress)\n\t\t})\n\n\t\t// Reject the config if there are duplicate listener address\n\t\tseen := make(map[string]bool)\n\t\tfor _, entry := range serverOpts {\n\t\t\tif _, alreadySeen := seen[entry.ListenerAddress]; alreadySeen {","sourceCodeStart":413,"sourceCodeEnd":449,"githubUrl":"https://github.com/caddyserver/caddy/blob/50e54ee279aa1e504fe218ca49ab6ae16c100410/caddyconfig/httpcaddyfile/httptype.go#L413-L449","documentation":"Error \"unexpected type from 'default_bind' global options: %T\" thrown in caddyserver/caddy.","triggerScenarios":"Thrown at caddyconfig/httpcaddyfile/httptype.go:431 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["This is an internal type mismatch from the 'default_bind' global option; ensure custom option parsers return the expected type."],"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"}