h2 Database not found, either pre-create it or allow remote database creation

h2 Database not found, either pre-create it or allow remote database creation

h2 SpringBoot Database not found, either pre-create it or allow remote database creation

Working with h2 database | solve Database "mem:testdb" not found.

JDBC URL "jdbc:h2:mem:testdb" not found in H2 database-console