{"record":{"id":"6ae975afed38d182","repo":"istio/istio","slug":"config-dump-has-no-configuration-type-s","errorCode":null,"errorMessage":"config dump has no configuration type %s","messagePattern":"config dump has no configuration type (.+?)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"istioctl/pkg/util/configdump/util.go","lineNumber":45,"sourceCode":"\tbootstrap configTypeURL = \"type.googleapis.com/envoy.admin.v3.BootstrapConfigDump\"\n\tlisteners configTypeURL = \"type.googleapis.com/envoy.admin.v3.ListenersConfigDump\"\n\tendpoints configTypeURL = \"type.googleapis.com/envoy.admin.v3.EndpointsConfigDump\"\n\tclusters  configTypeURL = \"type.googleapis.com/envoy.admin.v3.ClustersConfigDump\"\n\troutes    configTypeURL = \"type.googleapis.com/envoy.admin.v3.RoutesConfigDump\"\n\tsecrets   configTypeURL = \"type.googleapis.com/envoy.admin.v3.SecretsConfigDump\"\n\tecds      configTypeURL = \"type.googleapis.com/envoy.admin.v3.EcdsConfigDump\"\n)\n\n// getSection takes a TypeURL and returns the types.Any from the config dump corresponding to that URL\nfunc (w *Wrapper) getSection(sectionTypeURL configTypeURL) (*anypb.Any, error) {\n\tvar dumpAny *anypb.Any\n\tfor _, conf := range w.Configs {\n\t\tif conf.TypeUrl == string(sectionTypeURL) {\n\t\t\tdumpAny = conf\n\t\t}\n\t}\n\tif dumpAny == nil {\n\t\treturn nil, fmt.Errorf(\"config dump has no configuration type %s\", sectionTypeURL)\n\t}\n\n\treturn dumpAny, nil\n}\n\nfunc (w *Wrapper) getSections(sectionTypeURL configTypeURL) ([]*anypb.Any, error) {\n\tvar dumpAny []*anypb.Any\n\tfor _, conf := range w.Configs {\n\t\tif conf.TypeUrl == string(sectionTypeURL) {\n\t\t\tdumpAny = append(dumpAny, conf)\n\t\t}\n\t}\n\tif dumpAny == nil {\n\t\treturn nil, fmt.Errorf(\"config dump has no configuration type %s\", sectionTypeURL)\n\t}\n\n\treturn dumpAny, nil\n}","sourceCodeStart":27,"sourceCodeEnd":63,"githubUrl":"https://github.com/istio/istio/blob/8dc789c5cf17517c64e3c36cb3288230f149dfae/istioctl/pkg/util/configdump/util.go#L27-L63","documentation":"getSection scans a config dump's top-level Configs array for an entry whose TypeUrl matches the requested section (bootstrap, clusters, listeners, routes, dynamic_parameters, ecds, etc.). This error means no entry with that TypeURL exists in the dump, so the requested proxy-config section cannot be shown.","triggerScenarios":"Calling a Wrapper method like GetBootstrapConfigDump/GetClustersConfigDump/GetListenersConfigDump on a dump that lacks that section — e.g. an Envoy that has no ECDS config, or a dump collected with include_edd/section filters that omitted it.","commonSituations":"`istioctl proxy-config ecds <pod>` on an Envoy without extension config sections; version skew where the proxy does not emit a section; partial dumps captured from file.","solutions":["Check what sections exist: `istioctl proxy-config all <pod>` or inspect the dump's top-level typeUrls.","Use a section the proxy actually has (bootstrap/clusters/listeners/routes are near-universal; ecds is not).","Recollect the dump without filters if it was captured from a file with a subset."],"exampleFix":null,"handlingStrategy":"validation","validationCode":"// Check available sections before requesting one\nfunc hasSection(w *configdump.Wrapper, url configTypeURL) bool {\n    for _, c := range w.Configs {\n        if c.TypeUrl == string(url) { return true }\n    }\n    return false\n}","typeGuard":null,"tryCatchPattern":"if _, err := w.GetEcdsConfigDump(); err != nil {\n    if strings.Contains(err.Error(), \"has no configuration type\") {\n        // proxy simply has no such section; not an error condition\n        return nil\n    }\n    return err\n}","preventionTips":["Treat 'section absent' as expected, not exceptional, for optional sections like ecds.","Inspect w.Configs TypeUrls first when building generic tooling over config dumps.","Version-match istioctl with the data plane."],"tags":["istioctl","envoy","config-dump","proxy-config"],"backgroundTag":null,"analyzedSha":"8dc789c5cf17517c64e3c36cb3288230f149dfae","analyzedAt":"2026-08-15T15:16:55.434Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}