missing_sampling_paramsTier 1 · 70% confidence
ai-agents-missing-sampling-par-when-a-request-is-sent-to-the-vllm-server-without--252e973c
agent: ai_agents
When does this happen?
IF When a request is sent to the vLLM server without sampling parameters, the engine crashes with AsyncEngineDeadError due to AttributeError: 'NoneType' object has no attribute 'seed'.
How others solved it
THEN Ensure all requests include valid sampling parameters such as temperature, top_p, and seed. In the OpenAI-compatible API, include a 'sampling_params' object in the request body, or set default sampling parameters in the engine configuration to avoid null values.
{
"model": "llama3",
"messages": [{"role": "user", "content": "Hello"}],
"temperature": 0.7,
"top_p": 0.9,
"seed": 42
}Related patterns
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