Re: [Boost-users] [Serialization][solved] xml serialization to fileand boost::archive::xml_archive_exception (unrecognized XML syntax)

From: Andreas Willich (andreas_willich_at_[hidden])
Date: 2007-02-23 14:40:16

Hi Robert

Thanks for the tips. The problem was that I had a "this->" in the
BOOST_SERIALIZATION_NVP macro.

Andreas

On Thu, 2007-02-22 at 13:30 -0800, Robert Ramey wrote:
> Here's a couple of suggestions:
> 
> a) run under the debugger and trap when the exception is shown.  This shows 
> the source code at the exception point and my have explanatory comments.
> b) Double check that all BOOST_CLASS_EXPORT are not invoked from inside a 
> namespace.
> c)Double check tthat none ofthe identifiers used in BOOST_CLASS_EXPORT 
> invocations
> have html unfriendly characters in them like " or : or ??
> d) Double check that all data items have SERIALIZATION_NVP to assign the 
> name of the dataum.
> e) Include that source code next time.
> 
> Robert Ramey
> 
> Andreas Willich wrote:
> > Hi all
> >
> >
> >
> > I have a annoying problem with xml serialization to a file or
> > std::cout. I want to serialize my own classes to a file via
> > filestream and everytime I get a xml_archive_exception with the error
> > message unrecognized XML syntax.
> >
> > What I want to serialize is a child class from a class hierachy. When
> > I only serialize the part of the mother class (with
> > BOOST_SERIALIZATION_BASE_OBJECT_NVP) it works, but when I also want to
> > save the members of the child classes I get this exception.
> >
> > I have exported every class with BOOST_CLASS_EXPORT and at the base
> > class I have a BOOST_IS_ABSTRACT(baseClass).
> >
> >
> > Gcc brings no warnings or errors and when I use a text archive, all
> > works fine.
> >
> >
> > Has someone an idea what I do wrong or some suggestions?
> >
> > Thanks
> > Andreas
> >
> >
> > Here is my build environment:
> > GCC:
> > Using built-in specs.
> > Target: i686-pc-linux-gnu
> > Configured
> > with: /var/tmp/portage/sys-devel/gcc-4.1.1-r3/work/gcc-4.1.1/configure
> > --prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/4.1.1
> > --includedir=/usr/lib/gcc/i686-pc-linux-gnu/4.1.1/include
> > --datadir=/usr/share/gcc-data/i686-pc-linux-gnu/4.1.1
> > --mandir=/usr/share/gcc-data/i686-pc-linux-gnu/4.1.1/man
> > --infodir=/usr/share/gcc-data/i686-pc-linux-gnu/4.1.1/info
> > --with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-gnu/4.1.1/include/g
> > ++-v4 --host=i686-pc-linux-gnu --build=i686-pc-linux-gnu
> > --disable-altivec --enable-nls --without-included-gettext
> > --with-system-zlib --disable-checking --disable-werror
> > --disable-libunwind-exceptions --disable-multilib --disable-libmudflap
> > --disable-libssp --disable-libgcj --enable-languages=c,c++,fortran
> > --enable-shared --enable-threads=posix --enable-__cxa_atexit
> > --enable-clocale=gnu
> > Thread model: posix
> > gcc version 4.1.1 (Gentoo 4.1.1-r3)
> >
> > Glibc: 2.5
> >
> > BOOST: CVS Build RC_1_34_0 from 19.02.2007
> > BJAM:
> > Boost.Jam  Version 3.1.13. OS=LINUX.
> >   Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc.
> >   Copyright 2001 David Turner.
> >   Copyright 2001-2004 David Abrahams.
> >   Copyright 2002-2005 Rene Rivera.
> >   Copyright 2003-2005 Vladimir Prus. 
> 
> 
> 
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