| = Migrate from TomEE 1 to TomEE 7 |
| :jbake-date: 2017-06-17 |
| :jbake-type: page |
| :jbake-status: published |
| :jbake-tomeepdf: |
| |
| == Breaking changes |
| |
| - Artifact coordinates changes |
| |
| GroupId changed from `org.apache.openejb` to `org.apache.tomee`. |
| It includes maven plugins which use now `org.apache.tomee.maven` and the `javaee-api`. |
| |
| Versions of openejb and tomee are now aligned on 7.x and you don't need to use |
| 4.x and 1.x (or any variant) for openejb and tomee. |
| |
| - JAX-RS 2 specification refined the sorting of providers. It can have side effects for message body |
| readers/writers which don't define their target mediatype properly like Jackson which uses wildcard instead of |
| a json related mediatype. To solve it register a custom provider redefining the media type. |
| |
| Can be as easy as: |
| |
| [source,java] |
| ---- |
| @Provider |
| @Consumes("application/json") |
| @Produces("application/json") |
| public class MyAppJsonProvider extends JacksonJsonProvider { |
| } |
| ---- |
| |
| - JPA and CDI are linked now, enabling JPA to use CDI for its components but CDI can use JPA too... |
| to solve issues with hibernate you need to add either as system property or persistence unit `tomee.jpa.factory.lazy = true`. |
