{"record":{"id":"6dfc07e22c5405fa","repo":"iflytek/astron-agent","slug":"record-for-re-answer-request-does-not-exist","errorCode":null,"errorMessage":"Record for re-answer request does not exist","messagePattern":"Record for re-answer request does not exist","errorType":"validation","errorClass":null,"httpStatus":null,"severity":"error","filePath":"console/backend/hub/src/main/java/com/iflytek/astron/console/hub/controller/chat/ChatMessageController.java","lineNumber":176,"sourceCode":"            SseEmitterUtil.sendError(sseEmitter, \"Current conversation window is unavailable\");\n            SseEmitterUtil.sendEndAndComplete(sseEmitter);\n            return null;\n        }\n\n        Integer botId = chatList.getBotId();\n        if (chatBotDataService.botIsDeleted(botId.longValue())) {\n            log.warn(\"Current conversation window assistant has been deleted, sseId: {}, uid: {}, chatId: {}, botId: {}\", sseId, uid, chatId, botId);\n            SseEmitterUtil.sendError(sseEmitter, \"Current conversation window assistant has been deleted\");\n            SseEmitterUtil.sendEndAndComplete(sseEmitter);\n            return null;\n        }\n\n        // Re-answering requires validating the legitimacy of question ID\n        if (requestId != null) {\n            ChatReqRecords chatReqRecord = chatDataService.findRequestById(requestId);\n            if (chatReqRecord == null) {\n                log.warn(\"Record for re-answer request does not exist, sseId: {}, requestId: {}\", sseId, requestId);\n                SseEmitterUtil.sendError(sseEmitter, \"Record for re-answer request does not exist\");\n                SseEmitterUtil.sendEndAndComplete(sseEmitter);\n                return null;\n            } else if (!chatReqRecord.getChatId().equals(chatId) || !chatReqRecord.getUid().equals(uid)) {\n                log.warn(\"Record for re-answer request does not match, sseId: {}, uid: {}, chatId: {}, requestId: {}\", sseId, uid, chatId, requestId);\n                SseEmitterUtil.sendError(sseEmitter, \"Record for re-answer request does not match\");\n                SseEmitterUtil.sendEndAndComplete(sseEmitter);\n                return null;\n            }\n        }\n\n        return new ChatContext(uid, chatId, botId);\n    }\n\n    /**\n     * Method to process chat request\n     *\n     * @param chatContext Chat context object\n     * @param text User input text","sourceCodeStart":158,"sourceCodeEnd":194,"githubUrl":"https://github.com/iflytek/astron-agent/blob/5e758547a83371a5a4b29dadf4ac03e8dd527635/console/backend/hub/src/main/java/com/iflytek/astron/console/hub/controller/chat/ChatMessageController.java#L158-L194","documentation":"When a re-answer (regenerate) request includes requestId, validateChatContext verifies the original ChatReqRecords row exists via chatDataService.findRequestById. If the record is missing, 'Record for re-answer request does not exist' is sent over SSE and the stream ends. The requestId must point to a persisted prior question turn.","triggerScenarios":"Calling the reAnswer endpoint with a requestId that has no matching row in the chat request-records table.","commonSituations":"Frontend retries regeneration with a stale or fabricated requestId; record purged by retention/cleanup; pointing at a record from another environment/database; id type mismatch causing lookup miss.","solutions":["Refresh the message history from the server and use a valid requestId of an existing question turn","Disable the re-answer button until a server-confirmed message id is available","Check record retention settings if old messages are routinely purged"],"exampleFix":"// before\nreAnswer({ chatId, requestId: msg.localId });\n// after\nconst rec = messages.find(m => m.serverRequestId);\nif (!rec) return;\nreAnswer({ chatId, requestId: rec.serverRequestId });","handlingStrategy":"validation","validationCode":"const rec = history.find(m => m.requestId === requestId && m.role === 'user');\nif (!rec) { await reloadHistory(); return; }","typeGuard":"function hasRequestId(m) { return m != null && (typeof m.requestId === 'number' || typeof m.requestId === 'string') && !!m.requestId; }","tryCatchPattern":null,"preventionTips":["Only use server-issued record ids for regeneration","Reload history when ids look stale","Do not fabricate or cache requestIds across sessions"],"tags":["sse","chat","not-found","regenerate"],"backgroundTag":"record-not-found","analyzedSha":"5e758547a83371a5a4b29dadf4ac03e8dd527635","analyzedAt":"2026-09-12T08:03:51.356Z","contentChangedAt":"2026-09-12T08:03:51.356Z","schemaVersion":2},"datasetVersion":"2026-09-15T23:17:13.987Z"}