1. Cannot Determine Embedded Database Driver Class For Database Type None Type
2. Description Cannot Determine Embedded Database Driver Class For Database Type None Action
3. Cannot Determine Embedded Database Driver Class For Database Type None Oracle

This is the error that is thrown when trying to run my web app:

I believe I have the right combination of datanucleus-appengine and datanucleus jars:

If you are using Spring Boot and getting errors like 'Cannot determine embedded database driver class for database type NONE' or 'Error creating a bean with name 'dataSource' defined in class path. INFO org.springframework.beans.factory.BeanCreationException: Cannot determine embedded database driver class for database type NONE. If you want an embedded database please put a.

2.1: Requires DataNucleus 3.1.x (core, api-jdo, api-jpa, enhancer). Requires SDK 1.6.4+ Note that this release of Datanucleus is no longer
supported by the DataNucleus project

JPA App Config:

Application.java

POM:

I wonder what could be missing in my app? I followed the instruction from here Using Spring Data JPA on Google Appengine

You haven’t provided Spring Boot with enough information to auto-configure a DataSource. To do so, you’ll need to add some properties to application.properties with the spring.datasource prefix. Take a look at DataSourceProperties to see all of the properties that you can set.

You’ll need to provide the appropriate url and driver class name:

I solved this by adding the following to my pom file.

I’d the same problem and excluding the DataSourceAutoConfiguration solved the problem.

This worked for me (1.3.0.M5) :

Exclude both classes.

It did not work with

Now that I look closer, I think that the DataSource problem is a red-herring. Boot’s Hibernate auto-configuration is being triggered and that’s what causing a DataSource to be required. Hibernate’s on the classpath because you’ve got a dependency on spring-boot-starter-data-jpa which pulls in hibernate-entitymanager.

Update your spring-boot-starter-data-jpa dependency to exclude Hibernate:

From the Spring manual (http://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-sql.html#boot-features-embedded-database-support):

Spring Boot can auto-configure embedded H2, HSQL and Derby databases. You don’t need to provide any connection URLs, simply include a build dependency to the embedded database that you want to use.

For example, typical POM dependencies would be:

For me leaving out the spring-boot-starter-data-jpa dependency and just using the spring-boot-starter-jdbc dependency worked like a charm, as long as I had h2 (or hsqldb) included as dependencies.

I don’t if it is too late to answer.
I could solve this issue by excluding DataSourceAutoConfiguration from spring boot.

Spring boot will look for datasoure properties in application.properties file.

Please define it in application.properties or yml file

application.properties

If you need your own configuration you could set your own profile and use the datasource values while bean creation.

you can add spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration to your properties file

I had two dependencies with groupId of org.springframework.data, then I removed jpa and kept mongodb only , and it worked!

Doing below works.

But If I wanted to have dataSource, I should not do the above configuration.
The below link says that we need to all the properties in application.properties file. All the properties should start with
spring.datasource.*

I got the error message in the title from o.s.b.d.LoggingFailureAnalysisReporter along with the message “APPLICATION FAILED TO START”. It turned out that I hadn’t added -Dspring.profiles.active=dev to my Eclipse debug configuration so I had no active profile.

In my case , I put it a maven dependency for org.jasig.cas in my pom that triggered a hibernate dependency and that caused Spring Boot to look for a datasource to auto-configure hibernate persistence.
I solved it by adding the com.h2database maven dependency as suggested by user672009. Thanks guys!

As this is one of the first topics returned in google for this error, I’ll post what I did in case someone face the same issue..
I didn’t want to exclude DataSourceAutoConfiguration neither use a memory database..

In my case I was setting the parameters as the other repliers said but the application.properties file was inside the wrong folder.. lol

So in case nothing like this works, check if the file is inside src/main/resources! In my case it was inside src/main/resources/static

Answer is very simple, SpringBoot will look for Embeddable database driver, If you didn’t configure in any of your configuration in form of XML or Annotations, it will throws this exception.
Make the changes in your annotation like this

this will exclude the DataSourceAutoConfiguration.
And the Perfect Simple Coding completion would be work if you have properly configured your class.

I solve my problem just adding @AutoConfigureTestDatabase(replace=Replace.NONE)

I faced this exception while I was doing APIs for ElasticSearch using Spring Data. I did the following and it worked.

I too faced the same issue.

In my case deleting the jar file from repository corresponding to the database fixes the issue. There was corrupted jar present in the repository which was causing the issue.

You can download the derby-10.10.1.1.jar from the Maven Repository and place it in your WEB-INF/lib folder, like this Application/WEB-INF/lib/derby-10.10.1.1.jar.
Your embedded AnnotationConfigEmbeddedWebApplicationContext will pickup the database driver and your webserver will start running without any issues 🙂

If you are using Gradle, include right jar of driver as below:

Or if using Maven then do it in Maven style, it should solve your problem.

To anybody coming to this thread after hours of banging your head against a wall. I solved this error by changing

Cannot Determine Embedded Database Driver Class For Database Type None Type

to

Description Cannot Determine Embedded Database Driver Class For Database Type None Action

in my schema.sql file in the resources directory.

If you really need 'spring-boot-starter-data-jpa' as your project dependency and at the same time you don't want to allow your app to access any database, you can simply exclude auto-configuration classes

I was facing this issue even after supplying all required datasource properties in application.properties. Then I realized that properties configuration class was not getting scanned by Spring boot because it was in different package hierarchy compared to my Spring boot Application.java and hence no properties were applied to datasource object. I changed the package name of my properties configuration class and it started working.
https://stackoverflow.com/a/42368525/7598936

Tags: class, database, spring

点击run启动后报错如下：

这是因为spring boot默认会加载org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration类，DataSourceAutoConfiguration类使用了@Configuration注解向spring注入了dataSource bean。因为工程中没有关于dataSource相关的配置信息，当spring创建dataSource bean因缺少相关的信息就会报错。

因为我仅仅只是使用spring boot来写一些很简单的例子来学习它，在Application类上增加@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})

阻止spring boot自动注入dataSource bean

这样就可以正常启动啦！

.

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