Unable to submit request because it has an empty text parameter. Add a value to the parameter and try again. #697 #727

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1. MarkDaoust commented on Apr 10, 2025

   

   MarkDaoust

   on Apr 10, 2025

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   @hkt74 - you solved #697, do you know what's going on here?
2. MarkDaoust

   assigned

   hkt74

   on Apr 10, 2025
3. Gunand3043

   added

   type:bugSomething isn't workingSomething isn't working

   component:python sdkIssue/PR related to Python SDKIssue/PR related to Python SDK

   on Apr 11, 2025
4. hkt74 commented on Apr 28, 2025

   

   hkt74

   on Apr 28, 2025

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   Hi @Captainnik53

   To help us investigate the issue, Could you confirm if you getting this error from Vertex client or Gemini API client? I notice the error is from Vertex client, while Gemini API returns success.

   As far as I known, model wouldn't return meaningful response when sending empty text request, Could you share about your use case here? and want to explore if it is possible to make the change on the client side to filter out empty text request. thanks!
5. utkarsh-alpuria commented on May 12, 2025

   

   utkarsh-alpuria

   on May 12, 2025

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   Hi @Captainnik53

   To help us investigate the issue, Could you confirm if you getting this error from Vertex client or Gemini API client? I notice the error is from Vertex client, while Gemini API returns success.

   As far as I known, model wouldn't return meaningful response when sending empty text request, Could you share about your use case here? and want to explore if it is possible to make the change on the client side to filter out empty text request. thanks!

   We are using the Gemini API Client, specifically the [Gemini 2.0 Flash model](https://ai.google.dev/gemini-api/docs/models#gemini-2.0-flash).

   It appears that in a chat session, if a function call fails and results in a malformed function call, the model subsequently stops responding to any further queries in that same session. Instead, it returns the following error:

   Invalid argument provided to Gemini: 400 Unable to submit request because it has an empty text parameter. Add a value to the parameter and try again. Learn more: https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/gemini
   

   This behavior seems consistent once the malformed call occurs, effectively halting further interaction in the current session.
6. Annhiluc

   added

   status:triagedIssue/PR triaged to the corresponding sub-teamIssue/PR triaged to the corresponding sub-team

   p2

   on May 12, 2025