{"record":{"id":"894a14d76d6d5ddc","repo":"kubernetes/kops","slug":"error-reading-s-q-v","errorCode":null,"errorMessage":"error reading %s %q: %v","messagePattern":"error reading (.+?) %q: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/client/simple/vfsclientset/commonvfs.go","lineNumber":70,"sourceCode":"\tcodecs := kopscodecs.Codecs\n\tyaml, ok := runtime.SerializerInfoForMediaType(codecs.SupportedMediaTypes(), \"application/yaml\")\n\tif !ok {\n\t\tklog.Fatalf(\"no YAML serializer registered\")\n\t}\n\tc.encoder = codecs.EncoderForVersion(yaml.Serializer, storeVersion)\n\n\tc.kind = kind\n\tc.vfsContext = vfsContext\n\tc.basePath = basePath\n}\n\nfunc (c *VFSClientBase) Find(ctx context.Context, name string) (runtime.Object, error) {\n\to, err := c.readConfig(ctx, c.basePath.Join(name))\n\tif err != nil {\n\t\tif os.IsNotExist(err) {\n\t\t\treturn nil, nil\n\t\t}\n\t\treturn nil, fmt.Errorf(\"error reading %s %q: %v\", c.kind, name, err)\n\t}\n\treturn o, nil\n}\n\nfunc (c *VFSClientBase) List(ctx context.Context, items interface{}, options metav1.ListOptions) (interface{}, error) {\n\treturn c.readAll(ctx, items)\n}\n\nfunc (c *VFSClientBase) create(ctx context.Context, cluster *kops.Cluster, i runtime.Object) error {\n\tobjectMeta, err := meta.Accessor(i)\n\tif err != nil {\n\t\treturn err\n\t}\n\n\tif c.validate != nil {\n\t\terr = c.validate(i)\n\t\tif err != nil {\n\t\t\treturn err","sourceCodeStart":52,"sourceCodeEnd":88,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/pkg/client/simple/vfsclientset/commonvfs.go#L52-L88","documentation":"VFSClientBase.Find could not read the object file from the state store for a reason other than not-exist (which would return nil,nil). The underlying VFS read error (permissions, network, corrupt backend) is wrapped with the kind and object name.","triggerScenarios":"Get() or readAll() on a vfs clientset where basePath.Join(name).ReadFile fails with e.g. S3 access denied, throttling, or I/O error — anything except os.ErrNotExist.","commonSituations":"Expired/insufficient cloud credentials (S3, GCS); wrong --state s3:// bucket; region misconfiguration; bucket deleted or permissions revoked; network outage.","solutions":["Read the wrapped %v cause to identify the storage error (AccessDenied, NoSuchBucket, timeout).","Verify cloud credentials and IAM permissions for the state store bucket.","Confirm the --state flag / KOPS_STATE_STORE points at the correct bucket and region.","Retry on transient network/throttling errors with backoff."],"exampleFix":"// before\nkops get cluster --name prod --state s3://wrong-bucket\n// after\nexport KOPS_STATE_STORE=s3://correct-state-bucket\naws s3 ls $KOPS_STATE_STORE/  # verify access first","handlingStrategy":"try-catch","validationCode":"if err := verifyStateStoreAccess(ctx, stateStore); err != nil {\n    return fmt.Errorf(\"state store not readable: %w\", err)\n}","typeGuard":null,"tryCatchPattern":"o, err := client.Get(ctx, name)\nif err != nil {\n    var cause error\n    if errors.As(err, &cause) && isRetryable(cause) {\n        return retryWithBackoff(...)\n    }\n    return fmt.Errorf(\"reading cluster %q: %w\", name, err)\n}","preventionTips":["Validate cloud credentials/IAM permissions before operations.","Verify KOPS_STATE_STORE bucket and region with a cheap listing call first.","Wrap reads in retry with backoff for throttling/network errors."],"tags":["vfs","storage","read","state-store"],"backgroundTag":"state-store-read-failed","analyzedSha":"4c8573c808a73d578c5eadc86d410646ea0b0d73","analyzedAt":"2026-09-05T04:13:19.212Z","contentChangedAt":"2026-09-05T04:13:19.212Z","schemaVersion":2},"datasetVersion":"2026-09-12T12:17:11.808Z"}