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fix: prevent ClassCastException in RestAI chat when making consecutive requests #1819

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fix: prevent ClassCastException in RestAI chat when making consecutive requests #1819

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5 changes: 3 additions & 2 deletions ...-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/ai/ChatController.java
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Original file line number Diff line number Diff line change
Expand Up @@ -269,7 +269,7 @@ private SseEmitter chatWithRestAi(ChatQueryRequest queryRequest, SseEmitter sseE

RestAIEventSourceListener restAIEventSourceListener = new RestAIEventSourceListener(sseEmitter);
RestAIClient.getInstance().streamCompletions(messages, restAIEventSourceListener);
LocalCache.CACHE.put(uid, JSONUtil.toJsonStr(messages), LocalCache.TIMEOUT);
LocalCache.CACHE.put(uid, messages, LocalCache.TIMEOUT);
return sseEmitter;
}

Expand Down Expand Up @@ -462,7 +462,8 @@ private SseEmitter chatWithBaichuanAi(ChatQueryRequest queryRequest, SseEmitter
* @return
*/
private List<FastChatMessage> getFastChatMessage(String uid, String prompt) {
List<FastChatMessage> messages = (List<FastChatMessage>)LocalCache.CACHE.get(uid);
Object cached = LocalCache.CACHE.get(uid);
List<FastChatMessage> messages = (cached instanceof List) ? (List<FastChatMessage>) cached : null;
if (CollectionUtils.isNotEmpty(messages)) {
if (messages.size() >= contextLength) {
messages = messages.subList(1, contextLength);
Expand Down