Run Gradle on 26, invoke toolchain for 27

Author: akarnokd

.github/workflows/gradle_preview_jdks.yml

@@ -29,6 +29,13 @@ jobs:
       jdk: ${{ matrix.java-version }}
     steps:
     - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - name: Set up JDK ${{ matrix.java-version }}
+      uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
+      with:
+        distribution: 'zulu'
+        java-version: '26'
+        cache: gradle
+
     - name: Set up JDK ${{ matrix.java-version }}
       uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
       with:

build.gradle

@@ -57,7 +57,7 @@ dependencies {
 def jdk = "26"
 def experiment = System.getenv("jdk");
 if (experiment != null && !"".equals(experiment)) {
-    jdk = experiment
+    jdk = experiment.replace("-ea", "")
 }
 
 java {