{"record":{"id":"dd1f86d71b06a91f","repo":"kubernetes/kubernetes","slug":"couldn-t-get-key-for-object-v-v-dd1f86","errorCode":null,"errorMessage":"Couldn't get key for object %+v: %v","messagePattern":"Couldn't get key for object %\\+v: (.+?)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"pkg/controller/job/job_controller.go","lineNumber":704,"sourceCode":"func (jm *Controller) enqueueSyncJobBatched(logger klog.Logger, obj interface{}) {\n\tjm.enqueueSyncJobInternal(logger, obj, SyncJobBatchPeriod)\n}\n\n// enqueueSyncJobWithDelay tells the controller to invoke syncJob with a\n// custom delay, but not smaller than the batching delay.\n// It is used when pod recreations are delayed due to pod failures.\n// obj could be an *batch.Job, or a DeletionFinalStateUnknown marker item.\nfunc (jm *Controller) enqueueSyncJobWithDelay(logger klog.Logger, obj interface{}, delay time.Duration) {\n\tif delay < SyncJobBatchPeriod {\n\t\tdelay = SyncJobBatchPeriod\n\t}\n\tjm.enqueueSyncJobInternal(logger, obj, delay)\n}\n\nfunc (jm *Controller) enqueueSyncJobInternal(logger klog.Logger, obj interface{}, delay time.Duration) {\n\tkey, err := controller.KeyFunc(obj)\n\tif err != nil {\n\t\tutilruntime.HandleError(fmt.Errorf(\"Couldn't get key for object %+v: %v\", obj, err))\n\t\treturn\n\t}\n\n\t// TODO: Handle overlapping controllers better. Either disallow them at admission time or\n\t// deterministically avoid syncing controllers that fight over pods. Currently, we only\n\t// ensure that the same controller is synced for a given pod. When we periodically relist\n\t// all controllers there will still be some replica instability. One way to handle this is\n\t// by querying the store for all controllers that this rc overlaps, as well as all\n\t// controllers that overlap this rc, and sorting them.\n\tlogger.V(2).Info(\"enqueueing job\", \"key\", key, \"delay\", delay)\n\tjm.queue.AddAfter(key, delay)\n}\n\nfunc (jm *Controller) enqueueOrphanPod(obj *v1.Pod) {\n\torphanPodKey := orphanPodKey{\n\t\tkind:      OrphanPodKeyKindName,\n\t\tnamespace: obj.Namespace,\n\t\tvalue:     obj.Name,","sourceCodeStart":686,"sourceCodeEnd":722,"githubUrl":"https://github.com/kubernetes/kubernetes/blob/b882c60b4023bdf09264c2d5d30a2cadebc240fb/pkg/controller/job/job_controller.go#L686-L722","documentation":"Emitted by enqueueSyncJobInternal when controller.KeyFunc cannot derive a namespace/name key from an enqueued object. KeyFunc fails when the object lacks a valid ObjectMeta name/namespace or when the queued item is a stale DeletionFinalStateUnknown tombstone carrying unparseable metadata. The controller logs the error via HandleError and drops the item from the work queue rather than processing it.","triggerScenarios":"A watch event delivers an object whose metadata.Name or metadata.Namespace is empty, or a DeletionFinalStateUnknown wrapper whose inner object is malformed. Also occurs if a non-*batch.Job value is fed into the job enqueue path.","commonSituations":"Admission/mutation webhooks that strip or omit metadata.name; etcd watch resyncs after partial writes; a corrupted entry in the local informer cache; a third-party controller accidentally enqueueing the wrong object type into this queue.","solutions":["Inspect the logged %+v object to find which field (name/namespace/UID) is empty or malformed.","Verify admission and mutation webhooks preserve metadata.name and metadata.namespace.","Restart the controller-manager to rebuild the informer cache from a clean etcd read.","Check apiserver audit logs for the offending object write that produced the bad metadata."],"exampleFix":null,"handlingStrategy":"validation","validationCode":"// Validate object metadata before enqueueing\nfunc validObjectMeta(obj metav1.Object) bool {\n    return obj != nil && obj.GetName() != \"\" && obj.GetNamespace() != \"\"\n}\nif !validObjectMeta(meta) {\n    return // skip enqueue\n}","typeGuard":"func isQueueableJob(obj interface{}) bool {\n    j, ok := obj.(*batch.Job)\n    return ok && j != nil && j.Name != \"\" && j.Namespace != \"\"\n}","tryCatchPattern":null,"preventionTips":["Always build queue keys with controller.KeyFunc / MetaNamespaceKeyFunc rather than hand-rolled strings.","Never enqueue objects with empty Name or Namespace.","Unit-test enqueue handlers with tombstone (DeletionFinalStateUnknown) inputs."],"tags":["kubernetes","job-controller","informer","key-extraction","go"],"analyzedSha":"b882c60b4023bdf09264c2d5d30a2cadebc240fb","analyzedAt":"2026-08-07T04:07:48.144Z","schemaVersion":2},"datasetVersion":"2026-08-07T07:17:06.508Z"}