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fix(deps): update dependency org.springframework.boot:spring-boot-starter-web to v4 #1256

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fix(deps): update dependency org.springframework.boot:spring-boot-starter-web to v4 #1256

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2 changes: 1 addition & 1 deletion appengine-standard-java8/kotlin-sb-appengine-standard/pom.xml
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Expand Up @@ -49,7 +49,7 @@ limitations under the License.
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<version>3.1.1</version>
<version>4.0.0</version>
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@gemini-code-assist gemini-code-assist bot Nov 20, 2025

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critical

This update to Spring Boot 4.0.0 is problematic for several reasons:

  1. Non-existent Version: Spring Boot 4.0.0 is not a released version. This will cause the Maven build to fail as it cannot resolve this dependency.
  2. Java Version Incompatibility: This project is configured to use Java 8 (<java.version>1.8</java.version>). Spring Boot 3.x (including the previous version 3.1.1) requires a minimum of Java 17. A future Spring Boot 4.x would require an even newer Java version.
  3. Project Context: The project is named kotlin-sb-appengine-standard and is located under appengine-standard-java8, indicating it's targeted for the App Engine Java 8 standard environment. This environment does not support Java 17+.

Given these points, the project should be using a version of Spring Boot compatible with Java 8, such as the 2.7.x line. I suggest downgrading to the latest version in that line to fix the existing incompatibility and make the project buildable.

Suggested change
<version>4.0.0</version>
<version>2.7.18</version>

<exclusions>
<exclusion>
<groupId>org.slf4j</groupId>
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