[google-appengine] How to create JDO metatdata?

It has been a while since I've used JDO. I prefer to put metadata in a separate .jdo file. Is there an easy way to do this with GAE? Previously I experimented with the DataNucleus Eclipse plugin. However, that seemed to be a newer version than the JDO built in to the Google Eclipse plugin

[google-appengine] Datastore transport encryption

Does JDO (or JPA) support encryption (SSL)? I would like to collect data from devices in the datastore. The devices will have a small java app that can communicate with the datastore to insert data. But, I'd like the connection with the datastore to be secure (encrypted). Is this possible? --

[google-appengine] GAE and appropriate version(s) of JDO

I've been trying to build a sample app - the ConnectR app from the book GAE Java AND GWT Application Development. There are problems with it running and I think JDO version-ing may being the issue. I'm getting this error when Eclipse tries to run the Enhancer. INFO: DataNucleus Enhancer : Using