Program: 292
Project: 292
Buggy source:
@Override public boolean step(){
  LocalPlayer localPlayer=new LocalPlayer();
  localPlayer.setEntityIdMap(context.get(EntityIdMap.class));
  context.put(LocalPlayer.class,localPlayer);
  BlockManager blockManager=context.get(BlockManager.class);
  RemoteChunkProvider chunkProvider=new RemoteChunkProvider(blockManager,localPlayer);
  WorldProviderCoreImpl worldProviderCore=new WorldProviderCoreImpl(gameManifest.getWorldInfo(TerasologyConstants.MAIN_WORLD),chunkProvider,blockManager.getBlock(BlockManager.UNLOADED_ID),context);
  EntityAwareWorldProvider entityWorldProvider=new EntityAwareWorldProvider(worldProviderCore,context);
  WorldProvider worldProvider=new WorldProviderWrapper(entityWorldProvider);
  context.put(WorldProvider.class,worldProvider);
  context.put(BlockEntityRegistry.class,entityWorldProvider);
  context.get(ComponentSystemManager.class).register(entityWorldProvider,"String_Node_Str");
  DefaultCelestialSystem celestialSystem=new DefaultCelestialSystem(new BasicCelestialModel(),context);
  context.put(CelestialSystem.class,celestialSystem);
  context.get(ComponentSystemManager.class).register(celestialSystem);
  Skysphere skysphere=new Skysphere(context);
  BackdropProvider backdropProvider=skysphere;
  BackdropRenderer backdropRenderer=skysphere;
  context.put(BackdropProvider.class,backdropProvider);
  context.put(BackdropRenderer.class,backdropRenderer);
  RenderingSubsystemFactory engineSubsystemFactory=context.get(RenderingSubsystemFactory.class);
  WorldRenderer worldRenderer=engineSubsystemFactory.createWorldRenderer(context);
  float reflectionHeight=context.get(NetworkSystem.class).getServer().getInfo().getReflectionHeight();
  worldRenderer.getActiveCamera().setReflectionHeight(reflectionHeight);
  context.put(WorldRenderer.class,worldRenderer);
  context.put(Camera.class,worldRenderer.getActiveCamera());
  context.get(NetworkSystem.class).setRemoteWorldProvider(chunkProvider);
  return true;
}

Fixed version (ground truth):
@Override public boolean step(){
  LocalPlayer localPlayer=new LocalPlayer();
  localPlayer.setRecordAndReplayClasses(context.get(EntityIdMap.class),context.get(DirectionAndOriginPosRecorderList.class));
  context.put(LocalPlayer.class,localPlayer);
  BlockManager blockManager=context.get(BlockManager.class);
  RemoteChunkProvider chunkProvider=new RemoteChunkProvider(blockManager,localPlayer);
  WorldProviderCoreImpl worldProviderCore=new WorldProviderCoreImpl(gameManifest.getWorldInfo(TerasologyConstants.MAIN_WORLD),chunkProvider,blockManager.getBlock(BlockManager.UNLOADED_ID),context);
  EntityAwareWorldProvider entityWorldProvider=new EntityAwareWorldProvider(worldProviderCore,context);
  WorldProvider worldProvider=new WorldProviderWrapper(entityWorldProvider);
  context.put(WorldProvider.class,worldProvider);
  context.put(BlockEntityRegistry.class,entityWorldProvider);
  context.get(ComponentSystemManager.class).register(entityWorldProvider,"String_Node_Str");
  DefaultCelestialSystem celestialSystem=new DefaultCelestialSystem(new BasicCelestialModel(),context);
  context.put(CelestialSystem.class,celestialSystem);
  context.get(ComponentSystemManager.class).register(celestialSystem);
  Skysphere skysphere=new Skysphere(context);
  BackdropProvider backdropProvider=skysphere;
  BackdropRenderer backdropRenderer=skysphere;
  context.put(BackdropProvider.class,backdropProvider);
  context.put(BackdropRenderer.class,backdropRenderer);
  RenderingSubsystemFactory engineSubsystemFactory=context.get(RenderingSubsystemFactory.class);
  WorldRenderer worldRenderer=engineSubsystemFactory.createWorldRenderer(context);
  float reflectionHeight=context.get(NetworkSystem.class).getServer().getInfo().getReflectionHeight();
  worldRenderer.getActiveCamera().setReflectionHeight(reflectionHeight);
  context.put(WorldRenderer.class,worldRenderer);
  context.put(Camera.class,worldRenderer.getActiveCamera());
  context.get(NetworkSystem.class).setRemoteWorldProvider(chunkProvider);
  return true;
}