return image;
return null;
    public String run(Integer exerciseId, Integer imageId, String path) throws FenixServiceException, ExcepcaoPersistencia {        this.path = path.replace('\\', '/');        Question question = rootDomainObject.readQuestionByOID(exerciseId);        ParseQuestion parse = new ParseQuestion();        String image;        try {            image = parse.parseQuestionImage(question.getXmlFile(), imageId.intValue(), this.path);        } catch (Exception e) {            throw new FenixServiceException(e);        }        return image;    }