[MNG-7911] Require JDK 11 and support JDK 21 at build time (#1278)

.github/workflows/maven.yml

@@ -42,7 +42,7 @@ jobs:
 
       - uses: actions/setup-java@v3
         with:
-          java-version: 8
+          java-version: 11
           distribution: 'temurin'
           cache: 'maven'
 
@@ -61,7 +61,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
-        java: [8, 11, 17]
+        java: [11, 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: [8, 17, 20]
+        java: [11, 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 = '8'
+def buildJdk = '11'
 def buildMvn = '3.8.x'
 def runITsOses = ['linux']
-def runITsJdks = ['8', '11', '17']
+def runITsJdks = ['11', '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

maven-model-builder/src/test/java/org/apache/maven/model/building/BuildModelSourceTransformerTest.java

@@ -24,6 +24,7 @@ import java.beans.PropertyDescriptor;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Collections;
+import java.util.List;
 import java.util.Objects;
 
 import org.apache.maven.model.Model;
@@ -136,6 +137,10 @@ public class BuildModelSourceTransformerTest {
             }
             BeanInfo bean = Introspector.getBeanInfo(m1.getClass());
             for (PropertyDescriptor prop : bean.getPropertyDescriptors()) {
+                if (("first".equals(prop.getName()) || "last".equals(prop.getName()))
+                        && List.class.equals(prop.getReadMethod().getDeclaringClass())) {
+                    continue;
+                }
                 Object p1 = prop.getReadMethod().invoke(m1);
                 Object p2 = prop.getReadMethod().invoke(m2);
                 if (!equalsDeep(p1, p2)) {

pom.xml

@@ -151,7 +151,7 @@ under the License.
     <commonsCliVersion>1.5.0</commonsCliVersion>
     <commonsIoVersion>2.11.0</commonsIoVersion>
     <junitVersion>5.10.0</junitVersion>
-    <mockitoVersion>4.11.0</mockitoVersion>
+    <mockitoVersion>5.2.0</mockitoVersion>
     <plexusInterpolationVersion>1.26</plexusInterpolationVersion>
     <plexusXmlVersion>4.0.1</plexusXmlVersion>
     <guiceVersion>5.1.0</guiceVersion>
@@ -468,6 +468,11 @@ under the License.
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+      <dependency>
+        <groupId>net.bytebuddy</groupId>
+        <artifactId>byte-buddy</artifactId>
+        <version>1.14.9</version>
+      </dependency>
     </dependencies>
     <!--bootstrap-start-comment-->
   </dependencyManagement>
@@ -490,6 +495,38 @@ under the License.
   <build>
     <pluginManagement>
       <plugins>
+        <!-- Remove when Parent 41 used -->
+        <plugin>
+          <groupId>com.diffplug.spotless</groupId>
+          <artifactId>spotless-maven-plugin</artifactId>
+          <version>2.40.0</version>
+          <configuration>
+            <java>
+              <!-- orders of used formatters are important MPOM-376 -->
+              <!-- eg. palantir override importOrder, so should be first -->
+              <palantirJavaFormat>
+                <version>2.38.0</version>
+              </palantirJavaFormat>
+              <removeUnusedImports />
+              <importOrder>
+                <file>config/maven-eclipse-importorder.txt</file>
+              </importOrder>
+              <licenseHeader>
+                <file>config/maven-header-plain.txt</file>
+              </licenseHeader>
+            </java>
+            <pom>
+              <sortPom>
+                <expandEmptyElements>false</expandEmptyElements>
+                <!-- https://issues.apache.org/jira/browse/MRELEASE-1111 -->
+                <spaceBeforeCloseEmptyElement>true</spaceBeforeCloseEmptyElement>
+              </sortPom>
+            </pom>
+            <upToDateChecking>
+              <enabled>true</enabled>
+            </upToDateChecking>
+          </configuration>
+        </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-release-plugin</artifactId>
@@ -642,6 +679,26 @@ under the License.
               <fail>true</fail>
             </configuration>
           </execution>
+          <execution>
+            <id>enforce-bytecode-version</id>
+            <goals>
+              <goal>enforce</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <requireJavaVersion>
+                  <version>[11,)</version>
+                </requireJavaVersion>
+                <enforceBytecodeVersion>
+                  <maxJdkVersion>${maven.compiler.target}</maxJdkVersion>
+                  <ignoredScopes>
+                    <ignoredScope>test</ignoredScope>
+                  </ignoredScopes>
+                </enforceBytecodeVersion>
+              </rules>
+              <fail>true</fail>
+            </configuration>
+          </execution>
         </executions>
       </plugin>
     </plugins>