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Add Spring Boot 4.0 support with working samples #1585

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@tobixlea tobixlea commented Jan 5, 2026 •
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Issue #, if available:

Description of changes:

  • Add aws-serverless-java-container-springboot4 module with Spring Framework 7.x support
  • Add aws-serverless-springboot4-archetype for project generation
  • Add 4 working Spring Boot 4.0 samples:
    • Basic pet-store: compatible and tested with java25 runtime
    • alt-pet-store: compatible and tested with java25 runtime
    • graphql-pet-store: compatible and tested with java25 runtime
    • pet-store-native: compatible and tested with java25 runtime
  • All samples tested and deployed successfully to AWS Lambda
  • Full compatibility with Jakarta EE 11 and Java 21 runtime
  • Update root pom.xml to include new modules"

By submitting this pull request

  • I confirm that my contribution is made under the terms of the Apache 2.0 license.
  • I confirm that I've made a best effort attempt to update all relevant documentation.

bnusunny
bnusunny reviewed Jan 8, 2026
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bnusunny
bnusunny reviewed Jan 8, 2026
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aws-serverless-java-container-springboot4/pom.xml
<artifactId>jackson-core</artifactId>
<version>3.0.2</version>
</dependency>
<!-- Also include Jackson 2.x for core library compatibility -->
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@bnusunny bnusunny Jan 8, 2026 •
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Could we upgrade the core to use Jackson 3.x?

bnusunny
bnusunny requested changes Jan 8, 2026
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Looks good overall. Please check the two comments I left.

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@bnusunny bnusunny bnusunny requested changes

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@tobixlea @bnusunny