iflytek/astron-agent · warning

Please enter chat content

Error message

Please enter chat content

What it means

BotChatServiceImpl.chatMessageBot rejects chat requests whose user input (ask) is blank. Instead of throwing, it completes the SSE emitter with an error whose message is "Please enter chat content". This is an input-validation guard preventing empty prompts from reaching the agent engine.

Solutions

1. Disable send / validate non-blank input in the UI before calling the chat API.
2. Trim and check the ask field client-side; show the validation message instead of opening an SSE stream.
3. If legitimate messages are rejected, verify the client serializes the message into the correct DTO field (ask).

Example fix

// before
SseEmitterUtil.completeWithError(sseEmitter, "Please enter chat content");
// after
// client-side guard
if (!ask || !ask.trim()) { showError('Please enter chat content'); return; }
const res = await api.chat({ ...body, ask: ask.trim() });

// before calling the chat API
const ask = (input ?? '').trim();
if (!ask) { showWarning('Please enter chat content'); return; }
await chatApi.send({ ...body, ask });

function hasContent(s) {
  return typeof s === 'string' && s.trim().length > 0;
}

When it happens

Trigger: chatMessageBot invoked with chatBotReqDto.getAsk() being null, empty string, or whitespace-only (StrUtil.isBlank).

Common situations: Frontend sends the chat request before the user typed anything (Enter on empty box); whitespace-only input; form submitted programmatically; message field serialization mismatch between client and DTO.

Understand the failure class

Background: "must not be empty", "cannot be empty" — required-field validation errors across open-source libraries — this error's family across 41 libraries.

Related errors

• Please enter chat content
• Chat ID cannot be empty
• PARAMETER_ERROR
• LONG_CONTENT_CHAT_ID_ERROR
• LONG_CONTENT_MISS_FILE_INFO

AI-assisted analysis of iflytek/astron-agent@5e758547a8 (2026-09-12). Data as JSON: /api/errors/898ecde44e4cb894. Report an issue: GitHub.

Appendix: source

Thrown at console/backend/hub/src/main/java/com/iflytek/astron/console/hub/service/chat/impl/BotChatServiceImpl.java:133

    @Autowired
    private AgentMemoryRuntimeService agentMemoryRuntimeService;

    /**
     * Function to handle chat messages
     *
     * @param chatBotReqDto Chat bot request data object
     * @param sseEmitter Server-sent events emitter
     * @param sseId Server-sent events ID
     * @param workflowOperation Workflow operation
     * @param workflowVersion Workflow version
     */
    @Override
    public void chatMessageBot(ChatBotReqDto chatBotReqDto, SseEmitter sseEmitter, String sseId, String workflowOperation, String workflowVersion) {
        try {
            if (StrUtil.isBlank(chatBotReqDto.getAsk())) {
                log.warn("Rejecting chat request with empty user input, sseId: {}, chatId: {}, uid: {}",
                        sseId, chatBotReqDto.getChatId(), chatBotReqDto.getUid());
                SseEmitterUtil.completeWithError(sseEmitter, "Please enter chat content");
                return;
            }

            log.info("Processing chat request, sseId: {}, chatId: {}, uid: {}", sseId, chatBotReqDto.getChatId(), chatBotReqDto.getUid());
            Long spaceId = SpaceInfoUtil.getSpaceId();

            BotConfiguration botConfig = getBotConfiguration(chatBotReqDto.getBotId());
            if (botConfig.version.equals(BotTypeEnum.WORKFLOW_BOT.getType()) || botConfig.version.equals(BotTypeEnum.TALK.getType())) {
                syncWorkflowRuntimeModel(chatBotReqDto.getBotId(), botConfig, chatBotReqDto.getUid(), spaceId, sseEmitter);
                workflowBotChatService.chatWorkflowBot(chatBotReqDto, sseEmitter, sseId, workflowOperation, workflowVersion);
            } else {
                ChatReqRecords chatReqRecords = createChatRequest(chatBotReqDto);
                ModelConfigResult modelConfig = resolveChatModelConfiguration(
                        botConfig.modelId, botConfig.model, chatBotReqDto.getUid(), spaceId, sseEmitter);
                int maxInputTokens = modelConfig == null ? this.maxInputTokens : modelConfig.maxInputTokens();
                List<SparkChatRequest.MessageDto> messages = buildMessageList(chatBotReqDto, botConfig.supportContext,
                        botConfig.supportDocument, botConfig.prompt, maxInputTokens, chatReqRecords.getId());

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