No Database Selected Spring Boot
Replace the database_name with the database containing the table Company username with the username of mysql serverdefault is root and password with the mysql password. No database selected for Spring Boot MySql connection duplicate.
I initialized Spring Boot app using httpsstartspringio Selected dependencies.
No database selected spring boot. The example given here shows how to create more than 1 data source in Spring Boot application. Spring boot apps will start fine even if DB is down or there is no DB. Now open the applicationproperties file and add the following code.
Springdatasourceurl jdbcmysqllocalhost3306test springdatasourcegenerate-unique-nametrue. Visit this link in you post man localhost8080topics. It is a good security practice to after your database is in a production state set this to none revoke all privileges from the MySQL user connected to the Spring application and give the MySQL user only SELECT UPDATE INSERT and DELETE.
JPA Rest Repositories MySQL. The Repository annotation is used to create database repository for your Spring Boot application. When you started you spring boot application you served it at port 8080 the default configuration.
We can keep n number Datasources in a single Spring Boot application. Apps will pick up the connections on the fly as DB comes up which means there is no need to restart the web server or redeploy the apps. There is no need to start the tomcat or redeploy the apps if DB goes down from running state and comes up again.
Repository public class ProductServiceDAO Multiple DataSource. I set up data source for MySQL schema with name test that doesnt exists and put the following properties inside applicationproperties.
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