Program: 353
Project: 353
Buggy source:
/** 
 * Objects for the following classes must be available in the context: <ul> <li>  {@link ModuleEnvironment}</li> <li>  {@link NetworkSystem}</li> <li>  {@link ReflectFactory}</li> <li>  {@link CopyStrategyLibrary}</li> <li>  {@link org.terasology.persistence.typeHandling.TypeSerializationLibrary}</li> </ul> <p> The method will make objects for the following classes available in the context: <ul> <li>  {@link EngineEntityManager}</li> <li>  {@link ComponentLibrary}</li> <li>  {@link EventLibrary}</li> <li>  {@link PrefabManager}</li> <li>  {@link EventSystem}</li> </ul>
 */
public static void addEntityManagementRelatedClasses(Context context){
  ModuleEnvironment environment=context.get(ModuleManager.class).getEnvironment();
  NetworkSystem networkSystem=context.get(NetworkSystem.class);
  PojoEntityManager entityManager=new PojoEntityManager();
  context.put(EntityManager.class,entityManager);
  context.put(EngineEntityManager.class,entityManager);
  TypeSerializationLibrary typeSerializationLibrary=context.get(TypeSerializationLibrary.class);
  typeSerializationLibrary.add(EntityRef.class,new EntityRefTypeHandler(entityManager));
  entityManager.setTypeSerializerLibrary(typeSerializationLibrary);
  PrefabManager prefabManager=new PojoPrefabManager(context);
  entityManager.setPrefabManager(prefabManager);
  context.put(PrefabManager.class,prefabManager);
  EntitySystemLibrary library=context.get(EntitySystemLibrary.class);
  entityManager.setComponentLibrary(library.getComponentLibrary());
  EventSystem eventSystem;
  if (RecordAndReplayUtils.getRecordAndReplayStatus() == RecordAndReplayStatus.PREPARING_REPLAY) {
    eventSystem=new EventSystemReplayImpl(library.getEventLibrary(),networkSystem,entityManager);
  }
 else {
    eventSystem=new EventSystemImpl(library.getEventLibrary(),networkSystem);
  }
  entityManager.setEventSystem(eventSystem);
  context.put(EventSystem.class,eventSystem);
  context.put(OneOfProviderFactory.class,new OneOfProviderFactory());
  registerComponents(library.getComponentLibrary(),environment);
  registerEvents(entityManager.getEventSystem(),environment);
  RecordAndReplaySerializer.setEntityManager(entityManager);
}

Fixed version (ground truth):
/** 
 * Objects for the following classes must be available in the context: <ul> <li>  {@link ModuleEnvironment}</li> <li>  {@link NetworkSystem}</li> <li>  {@link ReflectFactory}</li> <li>  {@link CopyStrategyLibrary}</li> <li>  {@link org.terasology.persistence.typeHandling.TypeSerializationLibrary}</li> </ul> <p> The method will make objects for the following classes available in the context: <ul> <li>  {@link EngineEntityManager}</li> <li>  {@link ComponentLibrary}</li> <li>  {@link EventLibrary}</li> <li>  {@link PrefabManager}</li> <li>  {@link EventSystem}</li> </ul>
 */
public static void addEntityManagementRelatedClasses(Context context){
  ModuleEnvironment environment=context.get(ModuleManager.class).getEnvironment();
  NetworkSystem networkSystem=context.get(NetworkSystem.class);
  PojoEntityManager entityManager=new PojoEntityManager();
  context.put(EntityManager.class,entityManager);
  context.put(EngineEntityManager.class,entityManager);
  TypeSerializationLibrary typeSerializationLibrary=context.get(TypeSerializationLibrary.class);
  typeSerializationLibrary.add(EntityRef.class,new EntityRefTypeHandler(entityManager));
  entityManager.setTypeSerializerLibrary(typeSerializationLibrary);
  PrefabManager prefabManager=new PojoPrefabManager(context);
  entityManager.setPrefabManager(prefabManager);
  context.put(PrefabManager.class,prefabManager);
  EntitySystemLibrary library=context.get(EntitySystemLibrary.class);
  entityManager.setComponentLibrary(library.getComponentLibrary());
  EventSystem eventSystem=createEventSystem(networkSystem,entityManager,library);
  entityManager.setEventSystem(eventSystem);
  context.put(EventSystem.class,eventSystem);
  context.put(OneOfProviderFactory.class,new OneOfProviderFactory());
  registerComponents(library.getComponentLibrary(),environment);
  registerEvents(entityManager.getEventSystem(),environment);
  RecordAndReplaySerializer.setEntityManager(entityManager);
}