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fix: ensure valid parameters schema for parameter-less functions in OpenAiApi #4832

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fix: ensure valid parameters schema for parameter-less functions in OpenAiApi #4832

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@liugddx liugddx commented Nov 9, 2025 •
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Close #4776

When calling the OpenAI API using Spring AI, a tool function without parameters throws the following error:

Invalid schema for function 'k8s_get_available_api_resources': 
In context=(), object schema missing properties.

Error reason: The OpenAI API requires that the parameters field of all functions must include the properties attribute, even if the function has no parameters.

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liugddx commented Nov 10, 2025

@ilayaperumalg PTAL

@ilayaperumalg ilayaperumalg self-assigned this Nov 10, 2025
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Invalid schema for function 'xxx': In context=(), object schema missing properties. When tool doesn't have any paramters

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