{"record":{"id":"011353479fd6ce82","repo":"XTLS/Xray-core","slug":"failed-to-transfer-request-payload","errorCode":null,"errorMessage":"failed to transfer request payload","messagePattern":"failed to transfer request payload","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"proxy/trojan/client.go","lineNumber":133,"sourceCode":"\t\t}\n\n\t\t// write some request payload to buffer\n\t\tif err = buf.CopyOnceTimeout(link.Reader, bodyWriter, time.Millisecond*100); err != nil && err != buf.ErrNotTimeoutReader && err != buf.ErrReadTimeout {\n\t\t\treturn errors.New(\"failed to write A request payload\").Base(err).AtWarning()\n\t\t}\n\n\t\t// Flush; bufferWriter.WriteMultiBuffer now is bufferWriter.writer.WriteMultiBuffer\n\t\tif err = bufferWriter.SetBuffered(false); err != nil {\n\t\t\treturn errors.New(\"failed to flush payload\").Base(err).AtWarning()\n\t\t}\n\n\t\t// Send header if not sent yet\n\t\tif _, err = connWriter.Write([]byte{}); err != nil {\n\t\t\treturn err.(*errors.Error).AtWarning()\n\t\t}\n\n\t\tif err = buf.Copy(link.Reader, bodyWriter, buf.UpdateActivity(timer)); err != nil {\n\t\t\treturn errors.New(\"failed to transfer request payload\").Base(err).AtInfo()\n\t\t}\n\n\t\treturn nil\n\t}\n\n\tgetResponse := func() error {\n\t\tdefer timer.SetTimeout(sessionPolicy.Timeouts.UplinkOnly)\n\n\t\tvar reader buf.Reader\n\t\tif network == net.Network_UDP {\n\t\t\treader = &PacketReader{\n\t\t\t\tReader: conn,\n\t\t\t}\n\t\t} else {\n\t\t\treader = buf.NewReader(conn)\n\t\t}\n\t\treturn buf.Copy(reader, link.Writer, buf.UpdateActivity(timer))\n\t}","sourceCodeStart":115,"sourceCodeEnd":151,"githubUrl":"https://github.com/XTLS/Xray-core/blob/7d214f8b094f75322fa3990f8aadad1c912f24f5/proxy/trojan/client.go#L115-L151","documentation":"Error \"failed to transfer request payload\" thrown in XTLS/Xray-core.","triggerScenarios":"Thrown at proxy/trojan/client.go:133 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"}