api/java/src/main/java/com/navercorp/redis/cluster/spring/RedisClusterConnectionFactory.java
public DataAccessException translateExceptionIfPossible(RuntimeException ex) {
        if(ex instanceof GatewayException) {
            return exceptionConverter.convert(ex);
        }

        return null;
    }
public DataAccessException translateExceptionIfPossible(RuntimeException ex) {
        if(ex instanceof GatewayException) {
            return exceptionConverter.convert(ex);
        }

        return null;
    }
/*
@see org.springframework.dao.support.PersistenceExceptionTranslator#translateExceptionIfPossible(java.lang.RuntimeException)