Google Cloud SQL, Hibernate JPA Support

With my last post about Google Cloud SQL(Google App Engine) with Spring Hibernate, many people had encountered the same issue about HIbenrate JPA. If you are developing Hibernate JPA based applications,there is some issues with Hibernate JPA support which you need to be awared.

When you are running the application you may get an error like this:

java.lang.NoSuchMethodError: javax.persistence.spi.PersistenceUnitInfo.getValidationMode()Ljavax/persistence/ValidationMode;

This is because Hibernate used JPA 2.0 specification. But Google App Engine only support JPA 1.0 specification. I also got the same issue, and therefore I used Spring Hibernate support (instead of Hibernate JPA).

"The App Engine Java SDK includes an implementation of JPA 1.0 for the App Engine datastore"
Google App Engine JPA : http://code.google.com/appengine/docs/java/datastore/jpa/


Love to hear from you! feedback(comments) are always welcome

Comments

Duplication said…
Java Cloud SQL is showing good results in a technology term. This education will work in market.
December 09, 2011 11:22 PM
William said…
This comment has been removed by a blog administrator.
December 09, 2011 11:34 PM
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