H2 Database not found error: 90146. H2 database is not created on start

Question

Just created a simple spring-boot project from the spring initializer. I went to add a local h2 db for testing and am unable to login. Seems that it cannot create the test d

Answer 1

As Stuck said.

Simply remove the semicolon:

wrong:    jdbc:h2:mem:testdb;
correct:  jdbc:h2:mem:testdb

Answer 2

In earlier version of spring, default url will be jdbc:h2:mem:testdb and testdb was created by default. from 2.3.0 onwards, if url is not mentioned it will auto generate database name. auto generated database name can be found in the spring logs.

Answer 3

I just change spring.datasource.url in application property file to jdbc:h2:file:C:/data/test and run project.

You Can See This video. https://youtu.be/yYWPuM8k8K4

Answer 4

just append this to your application.properties file.

spring.datasource.url=jdbc:h2:mem:testdb
spring.data.jpa.repositories.bootstrap-mode=default

Answer 5

I had a same problem and I changed the version of Spring Boot to 2.1.3 and it works

Answer 6

I have the same problem with windows. I just change spring.datasource.url in application property file to jdbc:h2:file:C:/data/sample and run project. after that set JDBC URL to jdbc:h2:file:C:/data/sample. look like picture JDBC URL