Add support for Java 16

.github/workflows/build.yml

@@ -9,30 +9,59 @@ jobs:
   build:
     name: Build
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [ '11', '16' ]
     steps:
+      # Check out the project
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
-      - name: Set up JDK 11
-        uses: actions/setup-java@v2.1.0
+
+      # Setup the version of Java
+      - name: Set up JDK ${{ matrix.java_version }}
+        uses: actions/setup-java@v2
         with:
-          java-version: 11
+          java-version: ${{ matrix.java_version }}
           distribution: 'adopt'
           check-latest: true
+
+      # Cache all the things
       - name: Cache SonarCloud packages
-        uses: actions/cache@v2.1.6
+        uses: actions/cache@v2.1.5
+        if: ${{ env.SONAR_TOKEN != null && env.SONAR_TOKEN != '' && matrix.java_version == '11' }}
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
         with:
           path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar
           restore-keys: ${{ runner.os }}-sonar
+
       - name: Cache Maven packages
-        uses: actions/cache@v2.1.6
+        uses: actions/cache@v2.1.5
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
           restore-keys: ${{ runner.os }}-m2
-      - name: Build and analyze
+
+      # Compile the project
+      - name: Build
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+        run: mvn -B -V compile
+
+      # Run tests when Java version > 11 (Sonar runs tests and analysis on JDK 11)
+      - name: Run tests
+        if: ${{ matrix.java_version != '11' }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+        run: mvn -B -V verify
+
+      # Run Sonar Analysis (on Java version 11 only)
+      - name: Analyze with SonarCloud
+        if: ${{ env.SONAR_TOKEN != null && env.SONAR_TOKEN != '' && matrix.java_version == '11' }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        run: mvn -B -Dsonar.coverage.jacoco.xmlReportPaths=target/site/jacoco/jacoco.xml org.jacoco:jacoco-maven-plugin:prepare-agent package org.jacoco:jacoco-maven-plugin:report org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
+        run: mvn -B -V -Dsonar.coverage.jacoco.xmlReportPaths=target/site/jacoco/jacoco.xml org.jacoco:jacoco-maven-plugin:prepare-agent verify org.jacoco:jacoco-maven-plugin:report org.sonarsource.scanner.maven:sonar-maven-plugin:sonar

pom.xml

@@ -30,7 +30,7 @@
 
         <!-- Versions for required dependencies -->
         <classmate.version>1.5.1</classmate.version>
-        <curator.version>2.13.0</curator.version>
+        <curator.version>5.1.0</curator.version>
         <dropwizard-config-providers.version>0.15.0</dropwizard-config-providers.version>
         <dropwizard.version>2.0.22</dropwizard.version>
         <hibernate-validator.version>6.1.7.Final</hibernate-validator.version>
@@ -44,7 +44,7 @@
         <kiwi.metrics-healthchecks-severity.version>0.20.0</kiwi.metrics-healthchecks-severity.version>
         <metrics-jersey2.version>4.1.22</metrics-jersey2.version>
         <metrics-jetty9.version>4.1.22</metrics-jetty9.version>
-        <zookeeper.version>3.4.14</zookeeper.version>
+        <zookeeper.version>3.7.0</zookeeper.version>
 
         <!-- Versions for test dependencies -->
         <kiwi-test.version>0.19.0</kiwi-test.version>
@@ -254,6 +254,10 @@
                     <groupId>org.javassist</groupId>
                     <artifactId>javassist</artifactId>
                 </exclusion>
+                <exclusion>
+                    <groupId>io.dropwizard.metrics</groupId>
+                    <artifactId>metrics-core</artifactId>
+                </exclusion>
                 <exclusion>
                     <groupId>org.slf4j</groupId>
                     <artifactId>slf4j-api</artifactId>

src/test/java/org/kiwiproject/curator/listener/CuratorListenersTest.java

@@ -6,7 +6,7 @@
 import org.apache.curator.framework.CuratorFramework;
 import org.apache.curator.framework.api.CuratorEvent;
 import org.apache.curator.framework.listen.Listenable;
-import org.apache.curator.framework.listen.ListenerContainer;
+import org.apache.curator.framework.listen.StandardListenerManager;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
@@ -52,13 +52,13 @@ void shouldAddLoggingCuratorListener() {
         startAndSleepQuietly();
     }
 
-    private ListenerContainer<?> getListenerContainer(Listenable<?> listenable) {
-        assertThat(listenable).isInstanceOf(ListenerContainer.class);
-        return (ListenerContainer<?>) listenable;
+    private StandardListenerManager<?> getListenerContainer(Listenable<?> listenable) {
+        assertThat(listenable).isInstanceOf(StandardListenerManager.class);
+        return (StandardListenerManager<?>) listenable;
     }
 
     @Test
-    void shouldAddLoggingConnectionStateListener() throws Exception {
+    void shouldAddLoggingConnectionStateListener() {
         var listenable = client.getConnectionStateListenable();
         var listenerContainer = getListenerContainer(listenable);
         var initialCount = listenerContainer.size();