{"record":{"id":"dbb9a496a88eb0ed","repo":"kubernetes/kops","slug":"error-deleting-listener-v","errorCode":null,"errorMessage":"error deleting listener: %v","messagePattern":"error deleting listener: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"upup/pkg/fi/cloudup/openstack/loadbalancer.go","lineNumber":164,"sourceCode":"\t\treturn nil\n\t} else {\n\t\treturn wait.ErrWaitTimeout\n\t}\n}\n\nfunc (c *openstackCloud) DeleteListener(listenerID string) error {\n\treturn deleteListener(c, listenerID)\n}\n\nfunc deleteListener(c OpenstackCloud, listenerID string) error {\n\tif c.LoadBalancerClient() == nil {\n\t\treturn fmt.Errorf(\"loadbalancer support not available in this deployment\")\n\t}\n\n\tdone, err := vfs.RetryWithBackoff(deleteBackoff, func() (bool, error) {\n\t\terr := listeners.Delete(context.TODO(), c.LoadBalancerClient(), listenerID).ExtractErr()\n\t\tif err != nil && !isNotFound(err) {\n\t\t\treturn false, fmt.Errorf(\"error deleting listener: %v\", err)\n\t\t}\n\t\tif isNotFound(err) {\n\t\t\treturn true, nil\n\t\t}\n\t\treturn false, nil\n\t})\n\tif err != nil {\n\t\treturn err\n\t} else if done {\n\t\treturn nil\n\t} else {\n\t\treturn wait.ErrWaitTimeout\n\t}\n}\n\nfunc (c *openstackCloud) DeleteLB(lbID string, opts loadbalancers.DeleteOpts) error {\n\treturn deleteLB(c, lbID, opts)\n}","sourceCodeStart":146,"sourceCodeEnd":182,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/upup/pkg/fi/cloudup/openstack/loadbalancer.go#L146-L182","documentation":"Inside deleteListener, listeners.Delete against the Octavia API is retried via vfs.RetryWithBackoff; any non-NotFound failure is wrapped as 'error deleting listener: %v'. 404 is treated as success (already gone); anything else — conflicts, auth, server errors — surfaces through this message after retries are exhausted.","triggerScenarios":"Deleting a listener that is still attached to a loadbalancer with active default pool, an Octavia 409/403/500 response, or network timeouts during cluster teardown or service deletion.","commonSituations":"Out-of-order teardown where the loadbalancer was deleted first or still exists holding the listener; Octavia resource stuck in PENDING_UPDATE; RBAC denies listener deletion for the credentials in use.","solutions":["Delete the parent loadbalancer (or detach the listener) before/with the listener per Octavia dependency rules","Inspect the wrapped error: 409 means state conflict — wait for the LB to leave PENDING_* state and retry","Verify RBAC policy permits lbaas listener deletion for the project","Check Octavia service logs/API status for 5xx and retry after recovery","Fall back to CLI cleanup (openstack loadbalancer listener delete) if reconciliation keeps failing"],"exampleFix":null,"handlingStrategy":"retry","validationCode":"// detach/verify listener state before deleting\nlistener, err := cloud.GetListener(listenerID)\nif err != nil && !isNotFound(err) { return err }\nif isNotFound(err) { return nil } // already gone","typeGuard":null,"tryCatchPattern":"done, err := vfs.RetryWithBackoff(deleteBackoff, func() (bool, error) {\n\terr := listeners.Delete(context.TODO(), client, listenerID).ExtractErr()\n\tif isNotFound(err) { return true, nil }\n\tif err != nil {\n\t\tif strings.Contains(err.Error(), \"409\") || strings.Contains(err.Error(), \"PENDING\") {\n\t\t\treturn false, nil // wait for LB to leave pending state\n\t\t}\n\t\treturn false, fmt.Errorf(\"error deleting listener: %v\", err)\n\t}\n\treturn true, nil\n})","preventionTips":["Delete the loadbalancer (cascade) before listeners when tearing down, or follow listener→pool ordering used by kOps","Check the parent LB provisioning status is ACTIVE before deleting listeners","Confirm RBAC allows listener deletion for the service project"],"tags":["openstack","octavia","listener","api-error"],"backgroundTag":"resource-delete-conflict","analyzedSha":"4c8573c808a73d578c5eadc86d410646ea0b0d73","analyzedAt":"2026-09-05T04:13:19.212Z","contentChangedAt":"2026-09-05T04:13:19.212Z","schemaVersion":2},"datasetVersion":"2026-09-12T07:17:12.445Z"}