Org.hibernate.hibernateexception: Access To DialectResolutionInfo Cannot Be Null When ‘hibernate.dialect’ Not Set

The exception "HibernateException: Access to DialectResolutionInfo cannot be null when ‘hibernate.dialect’ not set" occurs when you are using Hibernate and you have not set the ‘hibernate.dialect’ property in your configuration file.

The Hibernate dialect is responsible for translating Hibernate’s HQL (Hibernate Query Language) into the SQL dialect of the underlying database. It is mandatory to set the dialect property to let Hibernate know which database you are using.

To resolve this issue, make sure you have set the ‘hibernate.dialect’ property in your Hibernate configuration file (e.g., hibernate.cfg.xml or persistence.xml). The value of the dialect property should match the SQL dialect of your database.

Here’s an example of how to set the dialect property for MySQL:

<property>org.hibernate.dialect.MySQLDialect</property>

Replace ‘org.hibernate.dialect.MySQLDialect’ with the appropriate dialect class for your database.

If you are using Hibernate programmatically, you can set the dialect property through the Properties object before building the SessionFactory, like this:

Properties properties = new Properties();
properties.setProperty("hibernate.dialect", "org.hibernate.dialect.MySQLDialect");
// Add other properties

SessionFactory sessionFactory = new Configuration()
    .addProperties(properties)
    .buildSessionFactory();

Make sure to replace ‘org.hibernate.dialect.MySQLDialect’ with the appropriate dialect class for your database.

Once you have set the dialect property correctly, the exception should be resolved, and Hibernate will be able to establish a connection to the database.

About the Author Rex

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