{"record":{"id":"cb793f2380017444","repo":"derailed/k9s","slug":"no-describer-for-q-cb793f","errorCode":null,"errorMessage":"no describer for %q","messagePattern":"no describer for %q","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"internal/model/yaml.go","lineNumber":207,"sourceCode":"\t\t\tbreak\n\t\t}\n\t}\n\n\tif victim >= 0 {\n\t\ty.listeners = append(y.listeners[:victim], y.listeners[victim+1:]...)\n\t}\n}\n\n// ToYAML returns a resource yaml.\nfunc (y *YAML) ToYAML(ctx context.Context, gvr *client.GVR, path string, showManaged bool) (string, error) {\n\tmeta, err := getMeta(ctx, gvr)\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\n\tdesc, ok := meta.DAO.(dao.Describer)\n\tif !ok {\n\t\treturn \"\", fmt.Errorf(\"no describer for %q\", meta.DAO.GVR())\n\t}\n\tif desc, ok := meta.DAO.(*dao.Secret); ok {\n\t\tdesc.SetDecodeData(y.decode)\n\t}\n\n\treturn desc.ToYAML(path, showManaged)\n}\n\n// Toggle toggles the decode flag.\nfunc (y *YAML) Toggle() {\n\ty.decode = !y.decode\n}\n","sourceCodeStart":189,"sourceCodeEnd":220,"githubUrl":"https://github.com/derailed/k9s/blob/2d3ccc6ba2ce98c3781bfc441bb3e884f072774f/internal/model/yaml.go#L189-L220","documentation":"YAML.ToYAML resolves the DAO accessor for a GVR and requires dao.Describer (for its ToYAML method, with optional Secret decode toggling). Accessors without the interface cannot render YAML, and the error names the GVR.","triggerScenarios":"Opening the YAML view on a resource whose DAO accessor lacks ToYAML — bare/custom accessors, reference rows, or plugin DAO registrations missing the methods.","commonSituations":"Custom resources added with a hand-rolled DAO; tree/reference navigation to exotic resource types; version skew where an accessor refactor dropped the interface.","solutions":["Verify which accessor is registered for the GVR and make it implement dao.Describer (usually embed dao.Resource)","Try the resource's flat list view, which typically uses the generic accessor with YAML support","Fall back to kubectl get <gvr> <name> -o yaml"],"exampleFix":null,"handlingStrategy":"type-guard","validationCode":null,"typeGuard":"func yamlRenderable(accessor dao.Accessor) (dao.Describer, bool) {\n    d, ok := accessor.(dao.Describer)\n    return d, ok\n}","tryCatchPattern":"out, err := y.ToYAML(ctx, gvr, path, showManaged)\nif err != nil && strings.Contains(err.Error(), \"no describer for\") {\n    return \"\", fmt.Errorf(\"%w — use 'kubectl get %s %s -o yaml' instead\", err, gvr, path)\n}","preventionTips":["Assert dao.Describer compliance for every accessor a YAML view can reach (including tree/reference targets)","Embed dao.Resource in custom DAOs to inherit ToYAML"],"tags":["kubernetes","yaml","describer","interface","k9s"],"backgroundTag":null,"analyzedSha":"2d3ccc6ba2ce98c3781bfc441bb3e884f072774f","analyzedAt":"2026-08-15T16:09:14.432Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}