Program: 327
Project: 327
Buggy source:
private Event deserializeSpecificEventData(JsonObject jsonObject,String clazz){
  Event result=null;
  GsonDeserializationContext deserializationContext=new GsonDeserializationContext(null);
  if (clazz.equals(CameraTargetChangedEvent.class.toString())) {
    EntityRef oldTarget=this.entityManager.getEntity(jsonObject.get("String_Node_Str").getAsLong());
    EntityRef newTarget=this.entityManager.getEntity(jsonObject.get("String_Node_Str").getAsLong());
    result=new CameraTargetChangedEvent(oldTarget,newTarget);
  }
 else   if (clazz.equals(PlaySoundEvent.class.toString())) {
    float volume=jsonObject.get("String_Node_Str").getAsFloat();
    GsonPersistedData data=new GsonPersistedData(jsonObject.get("String_Node_Str"));
    TypeHandler handler=typeSerializationLibrary.getTypeHandlerFromClass(StaticSound.class);
    StaticSound sound=(StaticSound)handler.deserialize(data,deserializationContext);
    result=new PlaySoundEvent(sound,volume);
  }
 else   if (clazz.equals(CharacterMoveInputEvent.class.toString())) {
    long delta=jsonObject.get("String_Node_Str").getAsLong();
    float pitch=jsonObject.get("String_Node_Str").getAsFloat();
    float yaw=jsonObject.get("String_Node_Str").getAsFloat();
    boolean running=jsonObject.get("String_Node_Str").getAsBoolean();
    boolean crouching=jsonObject.get("String_Node_Str").getAsBoolean();
    boolean jumpRequested=jsonObject.get("String_Node_Str").getAsBoolean();
    int sequenceNumber=jsonObject.get("String_Node_Str").getAsInt();
    boolean firstRun=jsonObject.get("String_Node_Str").getAsBoolean();
    JsonObject objMoveDirection=jsonObject.get("String_Node_Str").getAsJsonObject();
    Vector3f movementDirection=new Vector3f(objMoveDirection.get("String_Node_Str").getAsFloat(),objMoveDirection.get("String_Node_Str").getAsFloat(),objMoveDirection.get("String_Node_Str").getAsFloat());
    result=new CharacterMoveInputEvent(sequenceNumber,pitch,yaw,movementDirection,running,crouching,jumpRequested,delta);
  }
 else   if (getInputEventSpecificType(jsonObject,clazz,deserializationContext) != null) {
    result=getInputEventSpecificType(jsonObject,clazz,deserializationContext);
  }
  return result;
}

Fixed version (ground truth):
private Event deserializeSpecificEventData(JsonObject jsonObject,String clazz){
  Event result=null;
  GsonDeserializationContext deserializationContext=new GsonDeserializationContext(null);
  if (clazz.equals(CameraTargetChangedEvent.class.toString())) {
    EntityRef oldTarget=new RecordedEntityRef(jsonObject.get("String_Node_Str").getAsLong(),(LowLevelEntityManager)this.entityManager);
    EntityRef newTarget=new RecordedEntityRef(jsonObject.get("String_Node_Str").getAsLong(),(LowLevelEntityManager)this.entityManager);
    result=new CameraTargetChangedEvent(oldTarget,newTarget);
  }
 else   if (clazz.equals(PlaySoundEvent.class.toString())) {
    float volume=jsonObject.get("String_Node_Str").getAsFloat();
    GsonPersistedData data=new GsonPersistedData(jsonObject.get("String_Node_Str"));
    TypeHandler handler=typeSerializationLibrary.getTypeHandlerFromClass(StaticSound.class);
    StaticSound sound=(StaticSound)handler.deserialize(data,deserializationContext);
    result=new PlaySoundEvent(sound,volume);
  }
 else   if (clazz.equals(CharacterMoveInputEvent.class.toString())) {
    long delta=jsonObject.get("String_Node_Str").getAsLong();
    float pitch=jsonObject.get("String_Node_Str").getAsFloat();
    float yaw=jsonObject.get("String_Node_Str").getAsFloat();
    boolean running=jsonObject.get("String_Node_Str").getAsBoolean();
    boolean crouching=jsonObject.get("String_Node_Str").getAsBoolean();
    boolean jumpRequested=jsonObject.get("String_Node_Str").getAsBoolean();
    int sequenceNumber=jsonObject.get("String_Node_Str").getAsInt();
    boolean firstRun=jsonObject.get("String_Node_Str").getAsBoolean();
    JsonObject objMoveDirection=jsonObject.get("String_Node_Str").getAsJsonObject();
    Vector3f movementDirection=new Vector3f(objMoveDirection.get("String_Node_Str").getAsFloat(),objMoveDirection.get("String_Node_Str").getAsFloat(),objMoveDirection.get("String_Node_Str").getAsFloat());
    result=new CharacterMoveInputEvent(sequenceNumber,pitch,yaw,movementDirection,running,crouching,jumpRequested,delta);
  }
 else   if (getInputEventSpecificType(jsonObject,clazz,deserializationContext) != null) {
    result=getInputEventSpecificType(jsonObject,clazz,deserializationContext);
  }
  return result;
}