If you use a non-native datastore type that isn't declared to be PersistenceCapable, you need to explicitly indicate that it is serializable: @Persistent(serializable = "true") Multimap map;
... This should work if the class of the object implements Serializable. For instance, I've been able to store HashMap objects this way. - Jason On Mon, Sep 21, 2009 at 2:26 PM, Dhamu <[email protected]> wrote: > > How to use multimap (http://google-collections.googlecode.com/svn/ > trunk/javadoc/com/google/common/collect/Multimap.html) in jdo? > > > I get the following exception. > org.datanucleus.exceptions.NucleusUserException: Field > "...model.jdo.MyModel.content" is declared as a reference type > (interface/Object) but no implementation classes of > "com.google.common.collect.Multimap" have been found! > > please help!! > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en -~----------~----~----~----~------~----~------~--~---
