Analysis and correction of connection test errors using DB using hibernate

Question

Analysis and correction of connection test errors using DB using hibernate

Navigation

#1 by (7 votes)

3

Class to test bank connection with hibernate.

package br.drogaria.main;

public class HibernatUtilTeste {

    public static void main(String[] args) {

        //abre sessão
        HibernateUtil.getFabricaDeSessao().openSession();

        //fecha sessão
        HibernateUtil.getFabricaDeSessao().close();
    }
}

You are giving the errors:

configuration can not be resolved HibernatUtil.java / Drugstore / src / main / java / drugstore / util line   17 Java Problem Description Resource Path Location Type

The line is:

ServiceRegistry registro = new StandardServiceRegistryBuilder()
                              .applySettings(configuration.getProperties()).build();

configuration can not be resolved HibernatUtil.java / Drugstore / src / main / java / drugstore / util line   18 Java Problem Description Resource Path Location Type

The line is:

SessionFactory fabricaDeSessao = configuration.buildSessionFactory(registro);

HibernateUtil can not be resolved HibernatUtilTeste.java / Drugstore / src / main / java / drugstore / main line   7 Java Problem Description Resource Path Location Type

The line is:

HibernateUtil.getFabricaDeSessao().openSession();

The method buildFabricaDeSessao () is undefined for the type HibernatUtil HibernatUtil.java / Drugstore / src / main / java / br / drugstore / util line   9 Java Problem Description Resource Path Location Type

The line is:

private static final SessionFactory fabricaDeSessao = buildFabricaDeSessao();

Obs, I did not understand why the project did not create the web-in folder. I will create in the hand and put the web.xml there, since it is also giving error for lack of this file.

The webapp folder is empty. It has no web-inf or meta-inf. The full path is:

C: \ sampleSpring \ Drugstore \ src \ main \ webapp >

Follow the structure of web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
    id="WebApp_ID" version="3.1">

    <!-- Nome da Aplicação -->
    <display-name>Drogaria</display-name>
</web-app>

I've got the video description link.

Anything put the structure of hibernat.cfg.xml and pom.xml

java hibernate

asked by anonymous 09.10.2015 / 13:40

1 answer

Is there a pattern similar to Singleton? Loop in function by calling itself

score 7 · Accepted Answer

Come on.

1st Your web.xml file is inside the webapp folder. Create a folder named WEB-INF and place your web.xml inside it. Another alternative is to delete your web.xml file and do the following:

Right-click the project, go to Java EE Tools , and then click: Generate Deploy Descriptor Stub . If you do this you will have the WEB-INF folder with your web.xml inside file.

2nd Your class name is spelled wrong. It should be HibernateUtil , it's HibernatUtil , or it's missing a and . Click on your Class to enter F2 to rename it to HibernateUtil

3rd The content of your Class is also incorrect, I believe you have forgotten something. Change the contents of your HibernateUtil Class:

public class HibernateUtil {

    private static final SessionFactory sessionFactory = buildSessionFactory();

    private static SessionFactory buildSessionFactory() {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            Configuration configuration = new Configuration();
            configuration.configure();

            ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
                    .applySettings(configuration.getProperties()).build();

            SessionFactory sessionFactory = configuration.buildSessionFactory(serviceRegistry);
            return sessionFactory;

        } catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }
}

4th In your test class, the one that opens and closes the connection does the following:

public class HibernateUtilTeste {

    public static void main(String[] args) {
        HibernateUtil.getSessionFactory().openSession();

        HibernateUtil.getSessionFactory().close();
    }
}

I'm not going to go into detail about the content of the HibernateUtil class because I think the video you watched has a good explanation.

After performing all these steps, right click on your project, go to Maven > Update Project > OK

PS : A tip, always match your code. To do this, just use the combination crtl+shift+f