@ElementCollection not working with Maps

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Hi.

I´m trying to implement the schema evolution with hibernate (http://www.gigaspaces.com/wiki/display/SBP/SchemaEvolution).
I´m annotating the Map as follows:

@ElementCollection(fetch=FetchType.EAGER)
    @CollectionTable(name = "pps.convenioparametroextra", joinColumns = @JoinColumn(name = "convenio_id"))
    @MapKeyColumn(name = "nombre", length = 64, nullable = false)
    @SpaceProperty
    @Override
    public Map<String, ExtraParameter<String>> getExtraParameters() {
        return extraParameters;
}

ExtraParameter is @Embeddable.

If I use pure hibernate everything works as expected, but with GS when the parent class has more than one extra parameter, I only see one extra parameter in the space. Another interesting thing is that if I debug the openspaces classes when it reads from the hibernate session factory the extra parameters are loaded correctly. The problem occurs when GS puts the objects in the spaces.

Thanks

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