JME on JDK 16

Ali_RS · July 16, 2021, 1:57pm

Note that ReflectionAllocator seems to be broken with JDK 16.

SEVERE: Buffer cannot be destroyed: java.nio.DirectFloatBufferU

Even by adding this JVM arg (which used to solve that on jdk 11+)

"--add-opens=java.base/jdk.internal.ref=ALL-UNNAMED"

you can test it with

github.com

jMonkeyEngine/jmonkeyengine/blob/d76d4dc8c67bc99c5fd197d41a102639194a4e3b/jme3-examples/src/main/java/jme3test/app/TestReleaseDirectMemory.java#L43

    
      
          package jme3test.app;
          
          
import com.jme3.app.SimpleApplication;
          import com.jme3.material.Material;
          import com.jme3.scene.Geometry;
          import com.jme3.scene.shape.Box;
          import com.jme3.util.BufferUtils;
          import java.nio.ByteBuffer;
          import java.nio.FloatBuffer;
          
          
public class TestReleaseDirectMemory extends SimpleApplication {
          
          
    public static void main(String[] args){
                  TestReleaseDirectMemory app = new TestReleaseDirectMemory();
                  app.start();
              }
          
          
    @Override
              public void simpleInitApp() {
                  Box b = new Box(1, 1, 1);
                  Geometry geom = new Geometry("Box", b);