Binding failure for spring.ai.ollama.chat.options.think-option in application.properties

[nicolaskrier]

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Description

When trying to configure the think-option for Ollama in application.properties, Spring Boot fails to bind the property value to the ThinkOption interface. Here is the relevant configuration:

spring.ai.ollama.chat.options.model=gpt-oss:latest
spring.ai.ollama.chat.options.think-option=low

Error Log

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APPLICATION FAILED TO START
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Description:
Failed to bind properties under 'spring.ai.ollama.chat.options.think-option' to org.springframework.ai.ollama.api.ThinkOption:
    Property: spring.ai.ollama.chat.options.think-option
    Value: "low"
    Origin: class path resource [application-ollama.properties] - 2:44
    Reason: org.springframework.core.convert.ConverterNotFoundException: No converter found capable of converting from type [java.lang.String] to type [@com.fasterxml.jackson.annotation.JsonProperty org.springframework.ai.ollama.api.ThinkOption]
Action:
Update your application's configuration

Expected Behavior

The property spring.ai.ollama.chat.options.think-option should be successfully bound to the ThinkOption.ThinkBoolean and the ThinkOption.ThinkLevel for valid values:

• enabled,
• disabled,
• low,
• medium,
• high.