internal: Support JDK21 (#510)

* Test with JDK21

* Use setup-java

* fix test

.github/workflows/test.yml

@@ -36,9 +36,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: olafurpg/setup-scala@v14
+      - uses: actions/setup-java@v3
         with:
-          java-version: adopt@1.11
+          distribution: 'zulu'
+          java-version: '11'
       - uses: actions/cache@v3
         with:
           path: ~/.cache
@@ -51,9 +52,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: olafurpg/setup-scala@v14
+      - uses: actions/setup-java@v3
         with:
-          java-version: adopt@1.8
+          distribution: 'zulu'
+          java-version: '8'
       - uses: actions/cache@v3
         with:
           path: ~/.cache
@@ -66,9 +68,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: olafurpg/setup-scala@v14
+    - uses: actions/setup-java@v3
       with:
-        java-version: 17
+        distribution: 'zulu'
+        java-version: '17'
     - uses: actions/cache@v3
       with:
         path: ~/.cache
@@ -76,3 +79,19 @@ jobs:
         restore-keys: ${{ runner.os }}-jdk17-
     - name: Test
       run: ./sbt test
+  test_jdk21:
+    name: test jdk21
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v3
+        with:
+          distribution: 'zulu'
+          java-version: '21'
+      - uses: actions/cache@v3
+        with:
+          path: ~/.cache
+          key: ${{ runner.os }}-jdk21-${{ hashFiles('**/*.sbt') }}
+          restore-keys: ${{ runner.os }}-jdk21-
+      - name: Test
+        run: ./sbt test

sbt

@@ -34,11 +34,11 @@
 
 set -o pipefail
 
-declare -r sbt_release_version="1.8.2"
+declare -r sbt_release_version="1.9.6"
-declare -r sbt_unreleased_version="1.8.2"
+declare -r sbt_unreleased_version="1.9.6"
 
-declare -r latest_213="2.13.10"
+declare -r latest_213="2.13.12"
-declare -r latest_212="2.12.17"
+declare -r latest_212="2.12.18"
 declare -r latest_211="2.11.12"
 declare -r latest_210="2.10.7"
 declare -r latest_29="2.9.3"

src/test/java/org/xerial/snappy/pool/CachingBufferPoolTest.java

@@ -155,8 +155,12 @@ public class CachingBufferPoolTest {
         assertNotNull(ref.get());
 
         //force an OOME to for SoftReferences to be collected
+        try {
             List<byte[]> vals = forceOOMEGC(LIST_COUNT);
             assertTrue("count: " + vals.size(), vals.size() < LIST_COUNT);
+        } catch (OutOfMemoryError e) {
+            //
+        }
 
         //assert that our test reference has been cleared
         assertNull(ref.get());
@@ -173,10 +177,10 @@ public class CachingBufferPoolTest {
         final List<byte[]> vals = new ArrayList<>(count);
 
         try {
-            for (int i=0; i<count; ++i) {
+            for (int i = 0; i < count; ++i) {
                 vals.add(new byte[10 * 1024 * 1024]);
             }
-        } catch(Error e) {
+        } catch (Error e) {
 
         }
         return vals;