microsoft/autogen · error · ValueError

Search query cannot be empty

Error message

Search query cannot be empty

What it means

Error "Search query cannot be empty" thrown in microsoft/autogen.

Source

Thrown at python/packages/autogen-ext/src/autogen_ext/tools/azure/_ai_search.py:434

        self, args: Union[str, Dict[str, Any], SearchQuery], cancellation_token: Optional[CancellationToken] = None
    ) -> SearchResults:
        """Execute a search against the Azure AI Search index.

        Args:
            args: Search query text or SearchQuery object
            cancellation_token: Optional token to cancel the operation

        Returns:
            SearchResults: Container with search results and metadata

        Raises:
            ValueError: If the search query is empty or invalid
            ValueError: If there is an authentication error or other search issue
            asyncio.CancelledError: If the operation is cancelled
        """
        if isinstance(args, str):
            if not args.strip():
                raise ValueError("Search query cannot be empty")
            search_query = SearchQuery(query=args)
        elif isinstance(args, dict) and "query" in args:
            search_query = SearchQuery(query=args["query"])
        elif isinstance(args, SearchQuery):
            search_query = args
        else:
            raise ValueError("Invalid search query format. Expected string, dict with 'query', or SearchQuery")

        if cancellation_token is not None and cancellation_token.is_cancelled():
            raise asyncio.CancelledError("Operation cancelled")

        cache_key = ""
        if self.search_config.enable_caching:
            cache_key_parts = [
                search_query.query,
                str(self.search_config.top),
                self.search_config.query_type,
                ",".join(sorted(self.search_config.search_fields or [])),

View on GitHub (pinned to 027ecf0a37)

Solutions

1. Provide non-empty query text

Example fix

Pass a non-empty string query

When it happens

Trigger: Thrown at python/packages/autogen-ext/src/autogen_ext/tools/azure/_ai_search.py:434 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/autogen@027ecf0a37 (2026-08-15). Data as JSON: /api/errors/37fa31d861886d30. Report an issue: GitHub.