{"record":{"id":"f20805add9ca383e","repo":"istio/istio","slug":"no-ztunnel-connection","errorCode":null,"errorMessage":"no ztunnel connection","messagePattern":"no ztunnel connection","errorType":"exception","errorClass":null,"httpStatus":500,"severity":"error","filePath":"cni/pkg/nodeagent/ztunnelserver_linux.go","lineNumber":255,"sourceCode":"\tl, err := net.ListenUnix(\"unixpacket\", resolvedAddr)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"failed to listen unix: %w\", err)\n\t}\n\n\treturn &ztunnelServer{\n\t\tlistener: l,\n\t\tconns: &connMgr{\n\t\t\tconnectionSet: []ZtunnelConnection{},\n\t\t},\n\t\tpods:              pods,\n\t\tkeepaliveInterval: keepaliveInterval,\n\t}, nil\n}\n\nfunc (z *ztunnelServer) PodAdded(ctx context.Context, pod *v1.Pod, netns Netns) error {\n\tlatestConn, err := z.conns.LatestConn()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"no ztunnel connection\")\n\t}\n\n\tuid := string(pod.ObjectMeta.UID)\n\n\tadd := &zdsapi.AddWorkload{\n\t\tWorkloadInfo: podToWorkload(pod),\n\t\tUid:          uid,\n\t}\n\tr := &zdsapi.WorkloadRequest{\n\t\tPayload: &zdsapi.WorkloadRequest_Add{\n\t\t\tAdd: add,\n\t\t},\n\t}\n\tlog := log.WithLabels(\n\t\t\"uid\", add.Uid,\n\t\t\"name\", add.WorkloadInfo.Name,\n\t\t\"namespace\", add.WorkloadInfo.Namespace,\n\t\t\"serviceAccount\", add.WorkloadInfo.ServiceAccount,","sourceCodeStart":237,"sourceCodeEnd":273,"githubUrl":"https://github.com/istio/istio/blob/8dc789c5cf17517c64e3c36cb3288230f149dfae/cni/pkg/nodeagent/ztunnelserver_linux.go#L237-L273","documentation":"Error \"no ztunnel connection\" thrown in istio/istio.","triggerScenarios":"Thrown at cni/pkg/nodeagent/ztunnelserver_linux.go:255 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8dc789c5cf17517c64e3c36cb3288230f149dfae","analyzedAt":"2026-08-15T15:16:55.434Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}