Migrate project back to Java 17.

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ 19 ]
+        java: [ 17 ]
     steps:
       - uses: actions/checkout@v3
 

.github/workflows/docker-build-test.yml

@@ -21,16 +21,16 @@ jobs:
         dockerfile:
           - Dockerfile.ci
           - Dockerfile.openj9.ci
-          # - Dockerfile.graalvm-jvm.ci
+          - Dockerfile.graalvm-jvm.ci
       fail-fast: false
     steps:
       - uses: actions/checkout@v3
       - name: Create Version File
         run: echo $(git log -1 --date=short --pretty=format:%cd)-$(git rev-parse --short HEAD) > VERSION
-      - name: set up JDK 19
+      - name: set up JDK 17
         uses: actions/setup-java@v3
         with:
-          java-version: 19
+          java-version: 17
           distribution: temurin
           cache: "gradle"
       - name: Run Build

.github/workflows/docker-build.yml

@@ -17,16 +17,16 @@ jobs:
             dockerfile: ./Dockerfile.openj9.ci
           - image: 1337kavin/piped:latest,1337kavin/piped:hotspot
             dockerfile: ./Dockerfile.ci
-          # - image: 1337kavin/piped:graalvm-jvm
-          #   dockerfile: ./Dockerfile.graalvm-jvm.ci
+          - image: 1337kavin/piped:graalvm-jvm
+            dockerfile: ./Dockerfile.graalvm-jvm.ci
     steps:
       - uses: actions/checkout@v3
       - name: Create Version File
         run: echo $(git log -1 --date=short --pretty=format:%cd)-$(git rev-parse --short HEAD) > VERSION
-      - name: set up JDK 19
+      - name: set up JDK 17
         uses: actions/setup-java@v3
         with:
-          java-version: 19
+          java-version: 17
           distribution: temurin
           cache: "gradle"
       - name: Run Build