java.lang.IllegalStateException: Could not load JDBC driver class [com.mysql.jdbc.Driver]

[Gian Tsam]

What am I missing here? Please help...  I get this:

Δεκ 09, 2016 9:06:22 ΜΜ org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@5910e440: startup date [Fri Dec 09 21:06:22 EET 2016]; root of context hierarchy
Δεκ 09, 2016 9:06:22 ΜΜ org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [spring/Beans.xml]
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [spring/Beans.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are:
PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'driverClassName' threw exception; nested exception is java.lang.IllegalStateException: Could not load JDBC driver class [com.mysql.jdbc.Driver]
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1493)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1197)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:700)
	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
	at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
	at spring.MainApp.main(MainApp.java:10)
Caused by: org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are:
PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'driverClassName' threw exception; nested exception is java.lang.IllegalStateException: Could not load JDBC driver class [com.mysql.jdbc.Driver]
	at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:108)
	at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:62)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1489)
	... 13 more
C:\Users\HP\AppData\Local\NetBeans\Cache\8.1\executor-snippets\run.xml:53: Java returned: 1
BUILD FAILED (total time: 2 seconds)

and I am using the example from tutorialspoint.com with the following classes:

Student.class

package spring;

public class Student {
   private Integer age;
   private String name;
   private Integer id;

   public void setAge(Integer age) {
      this.age = age;
   }
   public Integer getAge() {
      return age;
   }

   public void setName(String name) {
      this.name = name;
   }
   public String getName() {
      return name;
   }

   public void setId(Integer id) {
      this.id = id;
   }
   public Integer getId() {
      return id;
   }
}

StudentDAO.java

package spring;

import java.util.*;
import javax.sql.DataSource;

public interface StudentDAO {
   /** 
    * This is the method to be used to initialize
    * database resources ie. connection.
    * @param ds
    */
   public void setDataSource(DataSource ds);
   /** 
    * This is the method to be used to create
    * a record in the Student table.
    * @param name
    * @param age
    */
   public void create(String name, Integer age);
   /** 
    * This is the method to be used to list down
    * a record from the Student table corresponding
    * to a passed student id.
    * @param id
    * @return 
    */
   public Student getStudent(Integer id);
   /** 
    * This is the method to be used to list down
    * all the records from the Student table.
    * @return 
    */
   public List<Student> listStudents();
   /** 
    * This is the method to be used to delete
    * a record from the Student table corresponding
    * to a passed student id.
    * @param id
    */
   public void delete(Integer id);
   /** 
    * This is the method to be used to update
    * a record into the Student table.
    * @param id
    * @param age
    */
   public void update(Integer id, Integer age);
}  

StudentJDBCTemplate.java

package spring;

import java.util.List;
import javax.sql.DataSource;
import org.springframework.jdbc.core.JdbcTemplate;

public class StudentJDBCTemplate implements StudentDAO{
    
    private DataSource dataSource;
    private JdbcTemplate jdbcTempaleobject;
    
    @Override
    public void setDataSource(DataSource dataSource) {
        this.dataSource=dataSource;
        this.jdbcTempaleobject=new JdbcTemplate(dataSource);
    }

    @Override
    public void create(String name, Integer age) {
        String SQL = "insert into Student(name,age) values (?,?)";
        jdbcTempaleobject.update(SQL, name, age);
        System.out.println("Created record name: "+name+"Age: "+age);
        return ;
    }

    @Override
    public Student getStudent(Integer id) {
        String SQL ="select * from Student where id=?";
        Student student = jdbcTempaleobject.queryForObject(SQL, new Object[]{id}, new StudentMapper());
        return student;
    }

    @Override
    public List<Student> listStudents() {
        String SQL= "select * from Student";
        List<Student> students = jdbcTempaleobject.query(SQL, new StudentMapper());
        return students; 
    }

    @Override
    public void delete(Integer id) {
        String SQL="delete from Student where id=?";
        jdbcTempaleobject.update(SQL,id);
        System.out.println("Deleted record with id: "+id);
        return ;
    }

    @Override
    public void update(Integer id, Integer age) {
        String SQL = "update Student set age=? where id=?";
        jdbcTempaleobject.update(SQL, age, id);
        System.out.println("Updated record with id: "+id);
        return ;      
    }    
}

StudentMapper.java

package spring;

import java.sql.ResultSet;
import java.sql.SQLException;
import org.springframework.jdbc.core.RowMapper;

public class StudentMapper implements RowMapper<Student> {
   @Override
   public Student mapRow(ResultSet rs, int rowNum) throws SQLException {
      Student student = new Student();
      student.setId(rs.getInt("id"));
      student.setName(rs.getString("name"));
      student.setAge(rs.getInt("age"));
      return student;
   }
}

MainApp.java

package spring;

import java.util.List;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class MainApp {

    public static void main(String[] args){
        ApplicationContext context = new ClassPathXmlApplicationContext("spring/Beans.xml");
        StudentJDBCTemplate studentJDBCTemplate = (StudentJDBCTemplate) context.getBean("studentJDBCTemplate");
        System.out.println("------Records Creation--------" );
        studentJDBCTemplate.create("Zara", 11);
        studentJDBCTemplate.create("Nuha", 2);
        studentJDBCTemplate.create("Ayan", 15);
        
        System.out.println("------Listing Multiple Records--------" );
        List<Student> students = studentJDBCTemplate.listStudents();
        for (Student record : students) {
         System.out.print("ID : " + record.getId() );
         System.out.print(", Name : " + record.getName() );
         System.out.println(", Age : " + record.getAge());
        }

        System.out.println("----Updating Record with ID = 2 -----" );
        studentJDBCTemplate.update(2, 20);

        System.out.println("----Listing Record with ID = 2 -----" );
        Student student = studentJDBCTemplate.getStudent(2);
        System.out.print("ID : " + student.getId() );
        System.out.print(", Name : " + student.getName() );
        System.out.println(", Age : " + student.getAge());      
    }    
}

Beans.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
    
    <bean id="dataSource" 
          class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/giannis"/>
        <property name="username" value="root"/>
        <property name="password" value="root"/>
    </bean>
    
    <bean id="studentJDBCTemplate"
    class="spring.StudentJDBCTemplate"> 
        <property name="dataSource" ref="dataSource"/>        
    </bean>
</beans>

Thank you in advance.

[Gian Tsam]

OK. SOLVED!

[Liutauras Vilda]

Great to hear that, and thanks for sharing video.

And welcome to the Ranch