I replaced String with Text for one field. And when searching for old data, it came back with below exception. And idea? Based on http://groups.google.com/group/google-appengine/browse_thread/thread/282dc825f9c46684, it should have no problem.
<stderr>: java.lang.ClassCastException: java.lang.String cannot be cast to com.google.appengine.api.datastore.Text at XXX.jdoReplaceField at XXX.jdoReplaceFields at org.datanucleus.state.JDOStateManagerImpl.replaceFields(JDOStateManagerImpl.java:2772) at org.datanucleus.state.JDOStateManagerImpl.replaceFields(JDOStateManagerImpl.java:2791) at org.datanucleus.store.appengine.DatastorePersistenceHandler.fetchObject(DatastorePersistenceHandler.java:519) at org.datanucleus.store.appengine.query.DatastoreQuery.entityToPojo(DatastoreQuery.java:649) at org.datanucleus.store.appengine.query.DatastoreQuery.entityToPojo(DatastoreQuery.java:603) at org.datanucleus.store.appengine.query.DatastoreQuery.access$300(DatastoreQuery.java:119) at org.datanucleus.store.appengine.query.DatastoreQuery$6.apply(DatastoreQuery.java:783) at org.datanucleus.store.appengine.query.DatastoreQuery$6.apply(DatastoreQuery.java:774) at org.datanucleus.store.appengine.query.LazyResult.resolveNext(LazyResult.java:94) at org.datanucleus.store.appengine.query.LazyResult$LazyAbstractListIterator.computeNext(LazyResult.java:215) at org.datanucleus.store.appengine.query.AbstractIterator.tryToComputeNext(AbstractIterator.java:132) at org.datanucleus.store.appengine.query.AbstractIterator.hasNext(AbstractIterator.java:127) at org.datanucleus.store.appengine.query.LazyResult$AbstractListIterator.hasNext(LazyResult.java:169) -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/0K5GRW1ZqRAJ. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.