Require JDK 17 at build time (fixes apache#536)

.github/workflows/build.yml

@@ -28,8 +28,8 @@ jobs:
  runs-on: ${{ matrix.os }}
  strategy:
  matrix:
- os: [ ubuntu-latest, windows-latest ]
- java: [ '8' ]
+ os: [ ubuntu-latest ]
+ java: [ '17' ]
  steps:
  - uses: actions/checkout@v4
 
@@ -46,6 +46,11 @@ jobs:
  restore-keys: |
  ${{ matrix.os }}-maven-
 
+ - name: Set up Maven
+ uses: stCarolas/setup-maven@v5
+ with:
+ maven-version: '3.9.8'
+
  - name: Build with maven
  run: mvn -B --errors --activate-profiles ci --no-transfer-progress package -DskipTests
 
@@ -63,7 +68,9 @@ jobs:
  uses: actions/setup-java@v4
  with:
  distribution: temurin
- java-version: ${{ matrix.java }}
+ java-version: |
+ ${{ matrix.java }} 
+ 17
 
  - uses: actions/cache@v4
  with:
@@ -72,9 +79,30 @@ jobs:
  restore-keys: |
  ${{ matrix.os }}-maven-
 
+ - name: Set up Maven
+ uses: stCarolas/setup-maven@v5
+ with:
+ maven-version: '3.9.8'
+
+ - name: Build and test with maven
+ # Skip all static checks, they were already done in the compile jobs
+ run: mvn -B --errors --activate-profiles ci,jdk8 "-DjdkToolchainVersion=[,9)" --no-transfer-progress package
+ if: matrix.java == '8'
+
+ - name: Build and test with maven
+ # Skip all static checks, they were already done in the compile jobs
+ run: mvn -B --errors --activate-profiles ci "-DjdkToolchainVersion=[11,12)" --no-transfer-progress package
+ if: matrix.java == '11'
+
+ - name: Build and test with maven
+ # Skip all static checks, they were already done in the compile jobs
+ run: mvn -B --errors --activate-profiles ci "-DjdkToolchainVersion=[17,18)" --no-transfer-progress package
+ if: matrix.java == '17'
+
  - name: Build and test with maven
  # Skip all static checks, they were already done in the compile jobs
- run: mvn -B --errors --activate-profiles ci --no-transfer-progress package
+ run: mvn -B --errors --activate-profiles ci "-DjdkToolchainVersion=[21,22)" --no-transfer-progress package
+ if: matrix.java == '21'
 
  - name: Archive test results and logs
  # if: success() || failure() to also get the test results on successful runs.

.github/workflows/master-build.yml

@@ -47,7 +47,7 @@ jobs:
  uses: actions/setup-java@v4
  with:
  distribution: temurin
- java-version: '8'
+ java-version: '17'
  # Create a ~/.m2/settings.xml referencing these environment variable names
  server-id: 'apache.snapshots.https'
  server-username: NEXUS_USERNAME

.mvn/maven.config

@@ -0,0 +1,2 @@
+-Dworkspace.root.dir=${session.rootDirectory}
+-DprojectRoot=${session.rootDirectory}

README.md

@@ -34,7 +34,8 @@ Sensitive issues such as security vulnerabilities must be reported through [priv
 
 # Core requirements
 
-* Java 8+ (as of version 1.3)
+* Java 8+ at runtime (as of version 2.3)
+* Java 17+ at build time (as of version 2.14)
 
 * [Slf4j](https://www.slf4j.org/)