<?xml version="1.0" encoding="UTF-8"?>
            <!DOCTYPE hibernate-configuration PUBLIC
                "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
                "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
            <hibernate-configuration>
                <session-factory>
                    <property name="connection.username">root</property>
                    <property name="connection.password">root</property>
                    <property name="connecton.driver_class">com.mysql.jdbc.Driver</property>
                    <property name="connection.url">jdbc:mysql://localhost:3306/hibernate_db</property>
                    <property name="show_sql">true</property>
                </session-factory>
            </hibernate-configuration>


 This is my DTO class

        package com.app.hibernate;

        import java.io.Serializable;

        import javax.persistence.Column;
        import javax.persistence.Entity;
        import javax.persistence.Id;
        import javax.persistence.Table;

        @Entity
        @Table(name = "paytm_table")

        public class PaytmDTO implements Serializable
        {
            @Id
            @Column(name="mob_num")
            private int mobileNumber;

            @Column(name="amount")
            private int amount;

            @Column(name="email_id")
            private String emailId;

            @Column(name="OTP")
            private int OTP;

            public PaytmDTO() {

            }

            public int getMobileNumber() {
                return mobileNumber;
            }

            public void setMobileNumber(int mobileNumber) {
                this.mobileNumber = mobileNumber;
            }

            public int getAmount() {
                return amount;
            }

            public void setAmount(int amount) {
                this.amount = amount;
            }

            public String getEmailId() {
                return emailId;
            }

            public void setEmailId(String emailId) {
                this.emailId = emailId;
            }

            public int getOTP() {
                return OTP;
            }

            public void setOTP(int oTP) {
                OTP = oTP;
            }

        }

package com.app.hibernate;

    import org.hibernate.Session;
    import org.hibernate.SessionFactory;
    import org.hibernate.Transaction;
    import org.hibernate.cfg.Configuration;

    public class PaytmDAO
    {
        public static void main(String[] args)
        {
            //Create Object of DTO
            PaytmDTO dto=new PaytmDTO();

            //Set the DTO values using Setter method
            dto.setAmount(239);
            dto.setEmailId("impriyank95@gmail.com");
            dto.setMobileNumber(941478859);
            dto.setOTP(8965);

            //Create Object of Configuration
            Configuration config=new Configuration();
            config.configure();
            config.addAnnotatedClass(PaytmDTO.class);

            //Create object of 2nd Component SessionFactory
            SessionFactory sf=config.buildSessionFactory();

            //Get a Session (3rd Component)
            Session sess=sf.openSession();
            sess.save(dto);

            Transaction tx=sess.beginTransaction();
            tx.commit();

        }

    }

Jan 08, 2017 11:37:33 PM org.hibernate.engine.jdbc.connections.internal.PooledConnections <init>
INFO: HHH000115: Hibernate connection pool size: 20 (min=1)
Exception in thread "main" org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:244)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:208)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
    at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:51)
    at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:94)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:217)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
    at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.handleTypes(MetadataBuildingProcess.java:352)
    at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:111)
    at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.build(MetadataBuildingProcess.java:83)
    at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:418)
    at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:87)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:692)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:724)
    at com.app.hibernate.PaytmDAO.main(PaytmDAO.java:27)
Caused by: org.hibernate.exception.JDBCConnectionException: Error calling DriverManager#getConnection
    at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:115)
    at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator$1$1.convert(BasicConnectionCreator.java:101)
    at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.convertSqlException(BasicConnectionCreator.java:123)
    at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionCreator.makeConnection(DriverManagerConnectionCreator.java:37)
    at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.createConnection(BasicConnectionCreator.java:58)
    at org.hibernate.engine.jdbc.connections.internal.PooledConnections.addConnections(PooledConnections.java:106)
    at org.hibernate.engine.jdbc.connections.internal.PooledConnections.<init>(PooledConnections.java:40)
    at org.hibernate.engine.jdbc.connections.internal.PooledConnections.<init>(PooledConnections.java:19)
    at org.hibernate.engine.jdbc.connections.internal.PooledConnections$Builder.build(PooledConnections.java:138)
    at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildPool(DriverManagerConnectionProviderImpl.java:110)
    at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:74)
    at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:94)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:217)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
    at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.buildJdbcConnectionAccess(JdbcEnvironmentInitiator.java:145)
    at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:66)
    at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
    at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:88)
    at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:234)
    ... 14 more
Caused by: java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/hibernate_db
    at java.sql.DriverManager.getConnection(Unknown Source)
    at java.sql.DriverManager.getConnection(Unknown Source)
    at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionCreator.makeConnection(DriverManagerConnectionCreator.java:34)
    ... 29 more