hermes - 💡(How to fix) Fix [Bug]: Error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. [1 participants]

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NousResearch/hermes-agent#20244Fetched 2026-05-06 06:37:55
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Error Message

No error 500 📝 Error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. 📝 Error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. 📝 Error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. ❌ API failed after 3 retries — HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. 💀 Final error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. API call failed after 3 retries: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered.

Additional Logs / Traceback (optional)

Root Cause

Root Cause Analysis (optional)

Code Example

Report     https://paste.rs/cYAui
  agent.log  https://paste.rs/ZPiCm

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RAW_BUFFERClick to expand / collapse

Bug Description

Hermes stops talking to Google gemini model after some prompts. Only Hermes has this problem. I tested with opencode, openclaude and claude and there's not problem with them.

Steps to Reproduce

  1. Run hermes with 'hermes' using gemini/gemma-4-26b-a4b-it for example.
  2. Send some prompts
  3. After few prompts the problem starts to occurs.

Expected Behavior

No error 500

Actual Behavior

⚠️ API call failed (attempt 1/3): GeminiAPIError [HTTP 500] 🔌 Provider: gemini Model: gemma-4-26b-a4b-it 🌐 Endpoint: https://generativelanguage.googleapis.com/v1beta 📝 Error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. ⏳ Retrying in 2.5s (attempt 1/3)... ⚠️ API call failed (attempt 2/3): GeminiAPIError [HTTP 500] 🔌 Provider: gemini Model: gemma-4-26b-a4b-it 🌐 Endpoint: https://generativelanguage.googleapis.com/v1beta 📝 Error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. ⏳ Retrying in 4.9s (attempt 2/3)... ⚠️ API call failed (attempt 3/3): GeminiAPIError [HTTP 500] 🔌 Provider: gemini Model: gemma-4-26b-a4b-it 🌐 Endpoint: https://generativelanguage.googleapis.com/v1beta 📝 Error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. ⚠️ Max retries (3) exhausted — trying fallback... ❌ API failed after 3 retries — HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. 💀 Final error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. ─ ⚕ Hermes ───────────────────────────────────────────────────────────────────────

 API call failed after 3 retries: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered.

───────────────────────────────────────────────────────────────────────

Affected Component

CLI (interactive chat)

Messaging Platform (if gateway-related)

No response

Debug Report

Report     https://paste.rs/cYAui
  agent.log  https://paste.rs/ZPiCm

Operating System

Linux Mint 22.1 Xia

Python Version

3.12.3

Hermes Version

0.12.0

Additional Logs / Traceback (optional)

Root Cause Analysis (optional)

No response

Proposed Fix (optional)

No response

Are you willing to submit a PR for this?

  • I'd like to fix this myself and submit a PR

extent analysis

TL;DR

Investigate Hermes-specific configuration or implementation details that may be causing the API call failures to the Gemini model.

Guidance

  • Review the agent.log at https://paste.rs/ZPiCm for any specific error messages or patterns that could indicate what's causing the HTTP 500 errors.
  • Compare the implementation of Hermes with other models like opencode, openclaude, and claude to identify potential differences that might be contributing to the issue.
  • Check the Debug Report at https://paste.rs/cYAui for any relevant information that could help pinpoint the cause of the problem.
  • Consider testing Hermes with a different Gemini model to see if the issue is specific to the gemma-4-26b-a4b-it model.

Example

No specific code example can be provided without more information about the implementation details of Hermes.

Notes

The issue seems to be specific to Hermes and the Gemini model, and the error messages do not provide a clear indication of the root cause. Further investigation and debugging are needed to determine the cause of the problem.

Recommendation

Apply workaround: Investigate and address potential Hermes-specific configuration or implementation issues that may be causing the API call failures, as the problem does not seem to be related to the Python version, operating system, or Gemini model itself.

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hermes - 💡(How to fix) Fix [Bug]: Error: HTTP 500: Gemini HTTP 500 (INTERNAL): Internal error encountered. [1 participants]