import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.io.FastOutput;
import org.junit.Test;

import java.io.ByteArrayOutputStream;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.ArrayList;

public class StackOverflowTest_2_24_0 {

  @Test
  public void thisWorks() {
    FooRef fooRef = new FooRef();
    GenericFoo<FooRef> genFoo1 = new GenericFoo<>(fooRef);
    GenericFoo<FooRef> genFoo2 = new GenericFoo<>(fooRef);
    List<GenericFoo<?>> foos = new ArrayList<>();
    // Note the order of the items in the list (vs goBananas)
    foos.add(genFoo1);
    foos.add(genFoo2);
    new FooContainer(foos);
    Kryo kryo = new Kryo();
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

    kryo.writeObject(new FastOutput(outputStream), genFoo1);
  }

    @Test
  public void goBananas() {
    FooRef fooRef = new FooRef();
    GenericFoo<FooRef> genFoo1 = new GenericFoo<>(fooRef);
    GenericFoo<FooRef> genFoo2 = new GenericFoo<>(fooRef);
    List<GenericFoo<?>> foos = new ArrayList<>();
    // Note the order of the items in the list (vs thisWorks)
    foos.add(genFoo2);
    foos.add(genFoo1);
    new FooContainer(foos);
    Kryo kryo = new Kryo();
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

    kryo.writeObject(new FastOutput(outputStream), genFoo1);
  }
  
}

class FooContainer {
  List<GenericFoo<?>> foos;

  public FooContainer(List<GenericFoo<?>> foos) {
    this.foos = foos;
    for (GenericFoo<?> foo : foos) {
      foo.container = this;
    }
  }
}

interface Foo {}
class FooRef implements Foo {}
class GenericFoo<B extends Foo> implements Foo {
  private Map<String, Object> map = Collections.singletonMap("myself", (Object) this);
  B foo;
  FooContainer container;

  public GenericFoo(B foo) {
    this.foo = foo;
  }
}