fix(agui-example): configure Spring Boot 4 example to decode AG-UI requests with Jackson 2 - #2635
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jujn wants to merge 1 commit into
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fix(agui-example): configure Spring Boot 4 example to decode AG-UI requests with Jackson 2#2635jujn wants to merge 1 commit into
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Pull request overview
This PR adjusts the agui Spring Boot 4 WebFlux example to prefer Jackson 2 for JSON decoding so AG-UI request models (notably MessageContent) can be deserialized correctly.
Changes:
- Configure WebFlux to prefer Jackson 2 via
spring.http.codecs.preferred-json-mapper: jackson2. - Add a Spring
@Configurationclass that supplies anObjectMapperbean intended for Jackson 2 usage. - Add an explicit
jackson-databinddependency in the example module.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| agentscope-examples/agui/src/main/resources/application.yml | Sets WebFlux preferred JSON mapper to jackson2. |
| agentscope-examples/agui/src/main/java/io/agentscope/examples/agui/config/Jackson2Configuration.java | Adds a Jackson 2 ObjectMapper bean for the example app. |
| agentscope-examples/agui/pom.xml | Adds jackson-databind dependency to the example module. |
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| @Bean | ||
| @ConditionalOnMissingBean(ObjectMapper.class) | ||
| public ObjectMapper jackson2ObjectMapper() { | ||
| ObjectMapper mapper = new ObjectMapper(); | ||
| mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); | ||
| return mapper; | ||
| } |
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| <dependency> | ||
| <groupId>com.fasterxml.jackson.core</groupId> | ||
| <artifactId>jackson-databind</artifactId> | ||
| </dependency> |
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Description
Spring Boot 4 默认使用 Jackson 3，而 AG-UI 的
MessageContent模型依赖 Jackson 2 注解和自定义反序列化器，导致 agui-example 示例前端发送请求时 WebFlux 无法解析RunAgentInput：Type definition error: [simple type, class io.agentscope.core.agui.model.MessageContent]Change
ObjectMapperBean。Checklist
Please check the following items before code is ready to be reviewed.
mvn spotless:applymvn test)