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)
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