


Why Isn't My Spring Boot App Automatically Creating the Database Schema?
Dec 15, 2024 pm 09:58 PMAutomatically Creating Database Schema in Spring Boot
When launching Spring Boot applications, one may encounter issues with automatic database schema creation. The following troubleshooting steps aim to resolve this issue:
1. Entity Class Package:
Ensure that entity classes are located in the same or a sub-package of the class annotated with @EnableAutoConfiguration. Otherwise, Spring will not detect the entities and will not attempt to create the schema.
2. Hibernate Configuration:
Verify that the Hibernate configuration in application.properties is correct. Replace the following properties:
spring.jpa.hibernate.ddl-auto=create spring.jpa.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
with:
spring.jpa.database-platform=org.hibernate.dialect.MySQL5InnoDBDialect spring.jpa.hibernate.ddl-auto=update
Additionally, remove the manual driver class loading line: spring.datasource.driverClassName=com.mysql.jdbc.Driver.
3. Properties File Location:
Confirm that application.properties is placed in the src/main/resources directory.
4. Dialect Specification:
If the dialect is not specified correctly, Spring may default to the in-memory database that comes bundled with Boot. Check for console output indicating attempts to connect to a local HSQL instance.
By following these steps, developers can resolve the issue of Spring Boot not automatically creating the database schema upon startup.
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