{"record":{"id":"fae04ad8d9b6db87","repo":"XTLS/Xray-core","slug":"failed-to-transport-all-udp-request","errorCode":null,"errorMessage":"failed to transport all UDP request","messagePattern":"failed to transport all UDP request","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"proxy/hysteria/client.go","lineNumber":139,"sourceCode":"\t}\n\n\tif target.Network == net.Network_UDP {\n\t\tiConn := stat.TryUnwrapStatsConn(conn)\n\t\t_, ok := iConn.(*hysteria.InterConn)\n\t\tif !ok {\n\t\t\treturn errors.New(\"udp requires hysteria udp transport\")\n\t\t}\n\n\t\trequestDone := func() error {\n\t\t\tdefer timer.SetTimeout(sessionPolicy.Timeouts.DownlinkOnly)\n\n\t\t\twriter := &UDPWriter{\n\t\t\t\twriter: conn,\n\t\t\t\taddr:   target.NetAddr(),\n\t\t\t}\n\n\t\t\tif err := buf.Copy(link.Reader, writer, buf.UpdateActivity(timer)); err != nil {\n\t\t\t\treturn errors.New(\"failed to transport all UDP request\").Base(err)\n\t\t\t}\n\n\t\t\treturn nil\n\t\t}\n\n\t\tresponseDone := func() error {\n\t\t\tdefer timer.SetTimeout(sessionPolicy.Timeouts.UplinkOnly)\n\n\t\t\treader := &UDPReader{\n\t\t\t\treader: conn,\n\t\t\t\tdf:     &Defragger{},\n\t\t\t}\n\n\t\t\tif err := buf.Copy(reader, link.Writer, buf.UpdateActivity(timer)); err != nil {\n\t\t\t\treturn errors.New(\"failed to transport all UDP response\").Base(err)\n\t\t\t}\n\n\t\t\treturn nil","sourceCodeStart":121,"sourceCodeEnd":157,"githubUrl":"https://github.com/XTLS/Xray-core/blob/7d214f8b094f75322fa3990f8aadad1c912f24f5/proxy/hysteria/client.go#L121-L157","documentation":"Error \"failed to transport all UDP request\" thrown in XTLS/Xray-core.","triggerScenarios":"Thrown at proxy/hysteria/client.go:139 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":"7d214f8b094f75322fa3990f8aadad1c912f24f5","analyzedAt":"2026-08-15T14:26:24.325Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}