Use Java 21

.github/workflows/build.yml

@@ -20,10 +20,10 @@ jobs:
       SONAR_PROJECT_KEY: ${{ secrets.SONAR_PROJECT_KEY}}
     steps:
       - uses: actions/checkout@v2
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v3
         with:
-          java-version: 17
+          java-version: 21
           distribution: 'temurin'
       - name: Cache SonarCloud packages
         uses: actions/cache@v1
@@ -43,7 +43,7 @@ jobs:
       - name: Maven test + SonarCloud
         if: ${{ env.SONAR_TOKEN != 0 }}
         run: mvn -B verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar
-          -Dsonar.java.source=17
+          -Dsonar.java.source=21
           -Dsonar.projectKey=${{ env.SONAR_PROJECT_KEY }}
           -Dsonar.organization=${{ env.SONAR_ORGANIZATION }}
           -Dsonar.host.url=https://sonarcloud.io

.github/workflows/publish-docker-helm.yml

@@ -49,10 +49,10 @@ jobs:
         uses: actions/checkout@v2
         with:
           ref: ${{ github.event.inputs.checkout-ref }}
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v3
         with:
-          java-version: 17
+          java-version: 21
           distribution: 'temurin'
       - name: Cache Maven packages
         uses: actions/cache@v1

.github/workflows/publish-rcgnmi.yml

@@ -37,10 +37,10 @@ jobs:
         uses: actions/checkout@v2
         with:
           ref: ${{ github.event.inputs.checkout-ref }}
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v3
         with:
-          java-version: 17
+          java-version: 21
           distribution: 'temurin'
       - name: Cache Maven packages
         uses: actions/cache@v1

.github/workflows/publish-rnc.yml

@@ -37,10 +37,10 @@ jobs:
         uses: actions/checkout@v2
         with:
           ref: ${{ github.event.inputs.checkout-ref }}
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v3
         with:
-          java-version: 17
+          java-version: 21
           distribution: 'temurin'
       - name: Cache Maven packages
         uses: actions/cache@v1

.github/workflows/test-lighty-app.yml

@@ -22,10 +22,10 @@ jobs:
     steps:
       - name: Clone Repository
         uses: actions/checkout@v2
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v3
         with:
-          java-version: 17
+          java-version: 21
           distribution: 'temurin'
       - name: Cache Maven packages
         uses: actions/cache@v1

.lift.toml

@@ -1,4 +1,4 @@
 build = "maven"
-jdkVersion = "17"
+jdkVersion = "21"
 summaryComments = true
 

README.md

@@ -54,7 +54,7 @@ _This branch maintains compatibility with __OpenDaylight 2024-09 Scandium,__ rel
 
 ## Build & Install
 In order to build and install lighty.io artifacts locally, follow the steps below:
-1. __Install JDK__ - make sure [JDK 17](https://openjdk.java.net/projects/jdk/17/) is installed
+1. __Install JDK__ - make sure [JDK 21](https://openjdk.java.net/projects/jdk/21/) is installed (For example: https://adoptium.net/temurin/releases/)
 2. __Install maven__ - make sure you have maven 3.8.5 or later installed
 3. __Setup maven__ - make sure you have the proper [settings.xml](https://github.com/opendaylight/odlparent/blob/master/settings.xml) in your ```~/.m2``` directory
 4. __Build & Install locally__ - by running command: ``mvn clean install -DskipTests``

lgtm.yml

@@ -1,4 +1,4 @@
 extraction:
   java:
     index:
-      java_version: 17
+      java_version: 21

lighty-applications/lighty-rcgnmi-app-aggregator/README.md

@@ -11,7 +11,7 @@ A lighty.io application, which starts and wires the following components:
 
 ## Prerequisites
 In order to build & start the RCgNMI application locally, you need:
-* Java 17 (or later)
+* Java 21 (or later)
 * Maven 3.8.5 (or later)
 
 ## Build & Start

lighty-applications/lighty-rcgnmi-app-aggregator/lighty-rcgnmi-app-docker/src/main/docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM eclipse-temurin:17-jre-alpine
+FROM eclipse-temurin:21-jre-alpine
 
 WORKDIR /lighty-rcgnmi
 

lighty-applications/lighty-rnc-app-aggregator/README.md

@@ -18,7 +18,7 @@ Most important lighty.io components used are:
 
 ## Prerequisites
 In order to build and start the lighty.io RNC application locally, you need:
-* Java 17 or later 
+* Java 21 or later 
 * Maven 3.8.5 or later
 * (Optional) Docker for creating and running Docker images
 

lighty-applications/lighty-rnc-app-aggregator/lighty-rnc-app-docker/src/main/docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM eclipse-temurin:17-jre-alpine
+FROM eclipse-temurin:21-jre-alpine
 
 WORKDIR /lighty-rnc
 

lighty-core/lighty-parent/pom.xml

@@ -28,7 +28,7 @@
     </description>
 
     <properties>
-        <maven.compiler.release>17</maven.compiler.release>
+        <maven.compiler.release>21</maven.compiler.release>
         <!-- Overrides Spring Boot slf4j and log4j2 dependency version -->
         <slf4j.version>2.0.13</slf4j.version>
         <log4j2.version>2.23.1</log4j2.version>

lighty-examples/lighty-bgp-community-restconf-app/README.md

@@ -8,7 +8,7 @@ Application starts the following components:
 ## Prerequisites
 
 In order to build and start the application locally, you need:
-* Java 17 or later 
+* Java 21 or later 
 * Maven 3.8.5 or later
 
 ## Build

lighty-examples/lighty-gnmi-community-restconf-app/README.md

@@ -21,7 +21,7 @@ This application starts:
 
 ## Prerequisites
 In order to build and start and run this example, the lighty.io gNMI/RESTCONF application locally, you need:
-* Java 17 or later
+* Java 21 or later
 * Maven 3.8.5 or later
 * Postman v7.36.5. or later
 * Linux-based system with bash

lighty-resources/start-script/src/main/resources/start-controller.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
-# Set JAVA_HOME to point to a specific Java 17+ JDK
-#export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
+# Set JAVA_HOME to point to a specific Java 21+ JDK
+#export JAVA_HOME=/usr/lib/jvm/temurin-21-jdk-amd64
 
 # If JAVA_HOME is not set, try to find it using java itself
 if [ -z ${JAVA_HOME} ]; then