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Update to Spring Boot 4.1.2 and drop fixture overrides it now covers - #259

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jmanico merged 3 commits into
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boot-4.1.2-dependency-updates
Oct 26, 2026
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jmanico merged 3 commits into
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boot-4.1.2-dependency-updates

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@jmanico jmanico commented Oct 26, 2026

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This replaces #257 and #256.

It takes Dependabot's grouped update from #257 as is: Spring Boot 4.1.2 for the Jakarta fixture, Surefire/Failsafe 3.6.1, plexus-archiver 4.15.0, japicmp 0.26.5, and Jackson 2.22.4 for core tests and the publisher realm.

#257 failed because the fixture still pinned Tomcat to 11.0.26, older than the 11.0.27 that Boot 4.1.2 manages, and RequireUpperBoundDeps rejected the downgrade. That override is removed.

Boot 4.1.2's buildpack platform also brings Jackson 3.1.7, the same version as the plugin-realm pin. As planned in DEPENDENCY_DECISIONS.md, this removes the pin, its Dependabot ignore and group-exclusion rules, and the exact-version policy assertion together. A replacement policy test fails if either override returns. #256 (Jackson 3.1.8 for the pin) is no longer needed. No advisory affects 3.1.7.

Published library dependencies are unchanged.

Local verification:

  • python3 -m unittest discover -s scripts/tests: 36 tests pass
  • ./mvnw clean package -PtestJakarta -DskipTests: all enforcer rules pass
  • The WAR packages Tomcat 11.0.27, and the Boot plugin realm resolves Jackson 3.1.7
  • ./mvnw verify -pl core,jsp,jakarta passes. CI covers the Docker browser test.

dependabot Bot and others added 2 commits October 26, 2026 10:38
Bumps the maven-dependencies group with 7 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [org.codehaus.plexus:plexus-archiver](https://github.com/codehaus-plexus/plexus-archiver) | `4.14.0` | `4.15.0` |
| [com.github.siom79.japicmp:japicmp](https://github.com/siom79/japicmp) | `0.26.3` | `0.26.5` |
| [com.fasterxml.jackson.core:jackson-databind](https://github.com/FasterXML/jackson-databind) | `2.22.3` | `2.22.4` |
| [com.fasterxml.jackson.core:jackson-core](https://github.com/FasterXML/jackson-core) | `2.22.3` | `2.22.4` |
| [org.apache.maven.plugins:maven-failsafe-plugin](https://github.com/apache/maven-surefire) | `3.6.0` | `3.6.1` |
| [org.apache.maven.plugins:maven-surefire-plugin](https://github.com/apache/maven-surefire) | `3.6.0` | `3.6.1` |
| [org.springframework.boot:spring-boot-starter-parent](https://github.com/spring-projects/spring-boot) | `4.1.1` | `4.1.2` |



Updates `org.codehaus.plexus:plexus-archiver` from 4.14.0 to 4.15.0
- [Release notes](https://github.com/codehaus-plexus/plexus-archiver/releases)
- [Changelog](https://github.com/codehaus-plexus/plexus-archiver/blob/master/ReleaseNotes.md)
- [Commits](codehaus-plexus/plexus-archiver@plexus-archiver-4.14.0...plexus-archiver-4.15.0)

Updates `com.github.siom79.japicmp:japicmp` from 0.26.3 to 0.26.5
- [Release notes](https://github.com/siom79/japicmp/releases)
- [Changelog](https://github.com/siom79/japicmp/blob/master/release.py)
- [Commits](siom79/japicmp@japicmp-base-0.26.3...japicmp-base-0.26.5)

Updates `com.fasterxml.jackson.core:jackson-databind` from 2.22.3 to 2.22.4
- [Commits](FasterXML/jackson-databind@jackson-databind-2.22.3...jackson-databind-2.22.4)

Updates `com.fasterxml.jackson.core:jackson-core` from 2.22.3 to 2.22.4
- [Commits](FasterXML/jackson-core@jackson-core-2.22.3...jackson-core-2.22.4)

Updates `org.apache.maven.plugins:maven-failsafe-plugin` from 3.6.0 to 3.6.1
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](apache/maven-surefire@surefire-3.6.0...surefire-3.6.1)

Updates `org.apache.maven.plugins:maven-surefire-plugin` from 3.6.0 to 3.6.1
- [Release notes](https://github.com/apache/maven-surefire/releases)
- [Commits](apache/maven-surefire@surefire-3.6.0...surefire-3.6.1)

Updates `org.springframework.boot:spring-boot-starter-parent` from 4.1.1 to 4.1.2
- [Release notes](https://github.com/spring-projects/spring-boot/releases)
- [Commits](spring-projects/spring-boot@v4.1.1...v4.1.2)

---
updated-dependencies:
- dependency-name: org.codehaus.plexus:plexus-archiver
  dependency-version: 4.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven-dependencies
- dependency-name: com.github.siom79.japicmp:japicmp
  dependency-version: 0.26.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: maven-dependencies
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-version: 2.22.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: maven-dependencies
- dependency-name: com.fasterxml.jackson.core:jackson-core
  dependency-version: 2.22.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: maven-dependencies
- dependency-name: org.apache.maven.plugins:maven-failsafe-plugin
  dependency-version: 3.6.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: maven-dependencies
- dependency-name: org.apache.maven.plugins:maven-surefire-plugin
  dependency-version: 3.6.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: maven-dependencies
- dependency-name: org.springframework.boot:spring-boot-starter-parent
  dependency-version: 4.1.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: maven-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Boot 4.1.2 manages Tomcat 11.0.27, so the fixture's 11.0.26 override now
downgrades Tomcat and fails RequireUpperBoundDeps. Its buildpack platform
also brings Jackson 3.1.7, matching the plugin-realm pin, so remove the
pin with its Dependabot rules and exact-version policy test as recorded
in DEPENDENCY_DECISIONS.md. A policy test now guards against either
override returning.

Supersedes #256 and #257.
@jmanico
jmanico merged commit ca6f744 into main Oct 26, 2026
18 checks passed
@jmanico
jmanico deleted the boot-4.1.2-dependency-updates branch October 26, 2026 09:50
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