Java Class configuration JNDI dataSource POOL GlassFish

package com.mytest.config;
 
import org.apache.commons.dbcp2.BasicDataSource;
import org.hibernate.cfg.Environment;
 
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
 
import org.springframework.orm.hibernate5.HibernateTransactionManager;
import org.springframework.orm.hibernate5.LocalSessionFactoryBean;
 
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 
import javax.sql.DataSource;
import java.util.Properties;
 
 
@Configuration
@EnableWebMvc
@EnableTransactionManagement
@ComponentScan("com.mytest.repository")
public class RootConfig implements WebMvcConfigurer {
 
 
 
    @Bean
    public LocalSessionFactoryBean sessionFactory() {
 
        LocalSessionFactoryBean sessionFactory = new LocalSessionFactoryBean();
 
        sessionFactory.setDataSource(dataSource());
        sessionFactory.setPackagesToScan("com.mytest.model");
        sessionFactory.setHibernateProperties(hibernateProperties());
 
        return sessionFactory;
    }
 
 
    @Bean
    public DataSource dataSource() {
 
        BasicDataSource dataSource = new BasicDataSource();
 
        dataSource.setDriverClassName("com.mysql.cj.jdbc.Driver");
        dataSource.setUrl("jdbc:mysql://localhost:3306/mytest?serverTimezone=UTC&useSSL=false");
        dataSource.setUsername("root");
        dataSource.setPassword("1234");
 
        return dataSource;
    }
 
 
    @Bean
    public PlatformTransactionManager hibernateTransactionManager() {
 
        HibernateTransactionManager transactionManager = new HibernateTransactionManager();
        transactionManager.setSessionFactory(sessionFactory().getObject());
 
        return transactionManager;
    }
 
 
    private Properties hibernateProperties() {
 
        Properties properties = new Properties();
 
        properties.put(Environment.SHOW_SQL, "true");
        properties.put(Environment.FORMAT_SQL, "true");
        properties.put(Environment.DEFAULT_SCHEMA, "mytest");
        properties.put(Environment.HBM2DDL_AUTO, "update");
        properties.put(Environment.DIALECT, "org.hibernate.dialect.MySQL8Dialect");
        properties.put(Environment.CURRENT_SESSION_CONTEXT_CLASS, "thread");
 
        return properties;
    }
 
 
}