.gitea/workflows/test.yml

@@ -98,6 +98,41 @@ jobs:
           git clone --quiet "$CLONE_URL_WITH_AUTH" .
           echo "${{ gitea.repository }} cloned successfully."
 
+      - name: Install OpenJDK 21
+        shell: bash
+        run: |
+          set -e
+      
+          # Check if apt-get exists; if not, install it
+          if ! command -v apt-get &> /dev/null; then
+            echo "apt-get not found. Attempting to install..."
+            if command -v apk &> /dev/null; then
+              echo "Using apk to install apt (Alpine detected)..."
+              apk update
+              apk add --no-cache apt
+            elif command -v dnf &> /dev/null; then
+              echo "Using dnf (Fedora/RHEL detected)..."
+              dnf install -y apt
+            elif command -v yum &> /dev/null; then
+              echo "Using yum (CentOS/RHEL detected)..."
+              yum install -y apt
+            else
+              echo "No supported package manager found!"
+              exit 1
+            fi
+          fi
+      
+          # Continue installation using apt-get
+          apt-get update -y
+          apt-get install -y apt-transport-https ca-certificates curl gnupg wget software-properties-common
+      
+          # Download and install Oracle JDK 21
+          wget https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.deb
+          apt install -y ./jdk-21_linux-x64_bin.deb
+      
+          # Verify installation
+          java -version
+
       - name: Set up Java 21 and Maven
         run: |
           if command -v act >/dev/null 2>&1; then