Re: [boost] [serialization] polymorphic archives runtime failure(was:polymorphic archives ... generates linker errors)

Subject: Re: [boost] [serialization] polymorphic archives runtime failure(was:polymorphic archives ... generates linker errors)
From: Robert Ramey (ramey_at_[hidden])
Date: 2009-12-02 12:07:28

Christoph Heindl wrote:
> On Tue, Dec 1, 2009 at 10:20 PM, Robert Ramey <ramey_at_[hidden]> wrote:
>>
>> try using another archive rather than polymorphic_archive.
>
> Are you suggesting to drop polymorphic archive support?

I'm trying to determine if the problem is specifically with
the polymorphic archive.

>> try using it with xml_archive (if you have name tags) to display the
>> archive.
>
> I did this. The output looks ok. Here it is:
>
> <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
> <!DOCTYPE boost_serialization>
> <boost_serialization signature="serialization::archive" version="5">
> <a class_id="1" class_name="B" tracking_level="1" version="0"
>        object_id="_0"> <A class_id="0" tracking_level="1" version="0"
>                object_id="_1"> <i>3</i>
>        </A>
> </a>
> </boost_serialization>
>
> There is no difference in saving using xml_oarchive and
> polymorphic_xml_oarchive.

OK - it's got nothtng to do with being a polymorphic archive

It fails on loading the type 'B', when using
> polymorphic_xml_iarchive, which according to the library is an
> 'unregistered class'.
>
> Best regards,
> Christoph
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