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Java Spring with Hibernate Integrating Hibernate with Spring Configure Spring for Hibernate

Aryan Azimzadeh
Aryan Azimzadeh
1,271 Points
Posted by Aryan Azimzadeh
Aryan Azimzadeh
1,271 Points

Get an error about driver class name

I don't know why I get error when I run the code and I get null for driver class error.

com/teamtreehouse/contactmgr/config/DataConfig.java 
package com.teamtreehouse.contactmgr.config;

import org.apache.tomcat.dbcp.dbcp2.BasicDataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.orm.hibernate5.LocalSessionFactoryBean;

import javax.sql.DataSource;
@Configuration
@PropertySource("app.properties")
public class DataConfig {
  @Autowired
  private Environment env;
  @Bean
  public DataSource dataSource(){
   BasicDataSource ds = new BasicDataSource();

  ds.setDriverClassName(env.getProperty("org.h2.Driver"));

    ds.setUrl(env.getProperty("jdbc:h2:mem:contactmgr"));
  return ds;
  } 
}
app.properties 
giflib.db.driver = org.h2.Driver
giflib.db.url = jdbc:h2:mem:contactmgr
Justas Semaska
Justas Semaska
6,512 Points
Justas Semaska
Justas Semaska
6,512 Points

You are defining properties in the app.properties file but not using them :)

Replace "org.h2.Driver" and "jdbc:h2:mem:contactmgr" in the getProperty() methods with the names from app.properties file. giflib.db.driver and giflib.db.url respectively.