[MNG-8061] Maven: Require Java 17 (#1430)

.github/workflows/maven.yml

@@ -42,7 +42,7 @@ jobs:
 
       - uses: actions/setup-java@v4
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'temurin'
           cache: 'maven'
 
@@ -61,7 +61,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
-        java: [11, 17, 21]
+        java: [17, 21]
 
       fail-fast: false
     runs-on: ${{ matrix.os }}

.github/workflows/maven_build_itself.yml

@@ -31,7 +31,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        java: [11, 17, 21]
+        java: [17, 21]
       fail-fast: false
 
     runs-on: ${{ matrix.os }}

Jenkinsfile

@@ -20,10 +20,10 @@
 properties([buildDiscarder(logRotator(artifactNumToKeepStr: '5', numToKeepStr: env.BRANCH_NAME=='master'?'5':'1'))])
 
 def buildOs = 'linux'
-def buildJdk = '11'
+def buildJdk = '17'
 def buildMvn = '3.8.x'
 def runITsOses = ['linux']
-def runITsJdks = ['11', '17', '21']
+def runITsJdks = ['17', '21']
 def runITsMvn = '3.8.x'
 def runITscommand = "mvn clean install -Prun-its,embedded -B -U -V" // -DmavenDistro=... -Dmaven.test.failure.ignore=true
 def tests

Jenkinsfile.s390x

@@ -20,10 +20,10 @@
 properties([buildDiscarder(logRotator(artifactNumToKeepStr: '5', numToKeepStr: env.BRANCH_NAME=='master'?'5':'1'))])
 
 def buildOs = 'linux'
-def buildJdk = '11'
+def buildJdk = '17'
 def buildMvn = '3.8.x'
 def runITsOses = ['linux']
-def runITsJdks = ['11', '17']
+def runITsJdks = ['17']
 def runITsMvn = '3.8.x'
 def runITscommand = "mvn clean install -Prun-its,embedded -B -U -V" // -DmavenDistro=... -Dmaven.test.failure.ignore=true
 def tests

README.md

@@ -65,7 +65,7 @@ Do you like Apache Maven? Then [donate back to the ASF](https://www.apache.org/f
 Quick Build
 -------
 If you want to bootstrap Maven, you'll need:
-- Java 11+
+- Java 17+
 - Maven 3.6.3 or later
 - Run Maven, specifying a location into which the completed Maven distro should be installed:
     ```

pom.xml

@@ -147,7 +147,10 @@ under the License.
   </distributionManagement>
 
   <properties>
-    <javaVersion>8</javaVersion>
+    <javaVersion>17</javaVersion>
+    <maven.compiler.source>${javaVersion}</maven.compiler.source>
+    <maven.compiler.target>${javaVersion}</maven.compiler.target>
+    <maven.compiler.release>${javaVersion}</maven.compiler.release>
     <maven.test.redirectTestOutputToFile>true</maven.test.redirectTestOutputToFile>
     <maven.baseline>3.8.8</maven.baseline>
     <!-- Control the name of the distribution and information output by mvn -->
@@ -816,10 +819,10 @@ under the License.
             <configuration>
               <rules>
                 <requireJavaVersion>
-                  <version>[11,)</version>
+                  <version>[17,)</version>
                 </requireJavaVersion>
                 <enforceBytecodeVersion>
-                  <maxJdkVersion>${maven.compiler.target}</maxJdkVersion>
+                  <maxJdkVersion>${maven.compiler.release}</maxJdkVersion>
                   <ignoredScopes>
                     <ignoredScope>test</ignoredScope>
                   </ignoredScopes>