How to Use JDO with Google App Engine Modules Java

I'm trying to use JDO for datastore, in GAE Java modules app.

I have created two dynamic web projects with GAE runtime. Created an EAR project, add the two dynamic web projects to EAR.
Then tried "run on server".
I got the following error.

org.datanucleus.exceptions.ClassNotPersistableException: The class "MyBeanClass" is not persistable. This means that it either hasnt been enhanced, or that the enhanced version of the file is not in the CLASSPATH (or is hidden by an unenhanced version), or the Meta-Data/annotations for the class are not found.

I tried enabling the JPA facet also.

please help.

Thanks.

Solution

I solved the problem after lot of trail and errors.

I just wanted to post the solution so that it might help others.

Creating a Dynamic Web Project and enabling JPA didn't work for me.

I created a Dynamic web project, while creating selected, Google App engine with JPA. It solved the problem.

Thanks..!!