chore: java21 support in our build (#1488)

Author: jeromevdl

.github/workflows/pr_build.yml

@@ -48,7 +48,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        java: [8, 11, 15, 16, 17, 18, 19, 20 ]
+        java: [8, 11, 15, 16, 17, 18, 19, 20, 21 ]
     name: Java ${{ matrix.java }}
     env:
       JAVA: ${{ matrix.java }}

examples/powertools-examples-batch/pom.xml

@@ -105,6 +105,7 @@
                             <goal>shade</goal>
                         </goals>
                         <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
                             <transformers>
                                 <transformer implementation="org.apache.logging.log4j.maven.plugins.shade.transformer.Log4j2PluginCacheFileTransformer"/>
                             </transformers>

examples/powertools-examples-cloudformation/pom.xml

@@ -130,6 +130,7 @@
                         <goal>shade</goal>
                     </goals>
                     <configuration>
+                        <createDependencyReducedPom>false</createDependencyReducedPom>
                         <transformers>
                             <transformer implementation="org.apache.logging.log4j.maven.plugins.shade.transformer.Log4j2PluginCacheFileTransformer"/>
                         </transformers>

examples/powertools-examples-core/cdk/app/pom.xml

@@ -51,13 +51,6 @@
             <artifactId>log4j-api</artifactId>
             <version>${log4j.version}</version>
         </dependency>
-
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.13.2</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -105,6 +98,7 @@
                             <goal>shade</goal>
                         </goals>
                         <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
                             <transformers>
                                 <transformer implementation="org.apache.logging.log4j.maven.plugins.shade.transformer.Log4j2PluginCacheFileTransformer"/>
                             </transformers>

examples/powertools-examples-core/cdk/app/src/test/java/helloworld/AppTest.java

@@ -30,6 +30,5 @@ dependencies {
     aspect 'software.amazon.lambda:powertools-tracing:1.17.0'
     aspect 'software.amazon.lambda:powertools-logging:1.17.0'
     aspect 'software.amazon.lambda:powertools-metrics:1.17.0'
-    testImplementation 'junit:junit:4.13.2'
 }
 

examples/powertools-examples-core/gradle/build.gradle

@@ -51,13 +51,6 @@
             <artifactId>log4j-api</artifactId>
             <version>${log4j.version}</version>
         </dependency>
-
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.13.2</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -104,6 +97,7 @@
                             <goal>shade</goal>
                         </goals>
                         <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
                             <transformers>
                                 <transformer
                                         implementation="org.apache.logging.log4j.maven.plugins.shade.transformer.Log4j2PluginCacheFileTransformer"/>

examples/powertools-examples-core/gradle/src/test/java/helloworld/AppTest.java

@@ -51,13 +51,6 @@
             <artifactId>log4j-api</artifactId>
             <version>${log4j.version}</version>
         </dependency>
-
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.13.2</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -105,6 +98,7 @@
                             <goal>shade</goal>
                         </goals>
                         <configuration>
+                            <createDependencyReducedPom>false</createDependencyReducedPom>
                             <transformers>
                                 <transformer
                                         implementation="com.github.edwgiz.maven_shade_plugin.log4j2_cache_transformer.PluginsCacheFileTransformer">