Capture memory leak failures during tests

.github/workflows/CI.yml

@@ -121,6 +121,24 @@ jobs:
         env:
           OS_MIGRATIONS_GRADLE_SCAN_TOS_AGREE_AND_ENABLED: ''
 
+      - name: Detect Memory Dumps
+        if: failure()
+        run: |
+          if find . -type f -name "*.hprof" | grep -q '.'; then
+            echo "::group::Memory Dumps Detected"
+            echo "::warning::Memory dumps were found and uploaded as artifacts. Review these files to diagnose OOM issues."
+            echo "To download and inspect these files, navigate to 'Actions' -> 'Artifacts'."
+            echo "::endgroup::"
+          fi
+
+      - name: Upload memory dump
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          if-no-files-found: ignore
+          name: memory-dumps
+          path: ./**/*.hprof
+
       - uses: actions/upload-artifact@v4
         if: always()
         with:

build.gradle

@@ -127,7 +127,7 @@ subprojects {
         systemProperty 'junit.jupiter.execution.parallel.enabled', 'false'
         systemProperty 'log4j2.contextSelector', 'org.apache.logging.log4j.core.selector.BasicContextSelector'
         // Verify assertions in tests
-        jvmArgs '-ea'
+        jvmArgs = ['-ea', '-XX:+HeapDumpOnOutOfMemoryError']
         jacoco.enabled = true
     }