i have two class below (one-many relation), when i made a rpc call to
get Rating, it throws exception:
com.google.gwt.user.client.rpc.SerializationException: Type
'org.datanucleus.sco.backed.List' was not included in the set of types
which can be serialized by this SerializationPolicy or its Class
object could not be loaded. For security purposes, this type will not
be serialized.
i have no idea what org.datanucleus.sco.backed.List is
(2 class)
@PersistenceCapable(identityType = IdentityType.APPLICATION,
detachable = "false")
public class Rating implements Serializable{
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
@Extension(vendorName="datanucleus", key="gae.encoded-pk",
value="true")
private String encodedKey;
@Persistent
private java.util.List<RatingParameter> parameters = new
ArrayList<RatingParameter>();
}
@PersistenceCapable(identityType = IdentityType.APPLICATION,
detachable = "false")
public class RatingParameter implements Serializable{
@PrimaryKey
@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)
private Long id;
@Persistent
private String title;
}
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