try using an xml_archive instead. This has extra consistency checking and is helpful for spotting errors. Robert Ramey Robert McCullough wrote:
Hi Steven,
Answers to your questions: a) it yields different behavior for the same archive. b) See attached source LegacyMonitorPersistentData.h c) See attached source PersistentData.h d) I have not tried that. I will give this a try. This is what I am testing. I have this archive file ^Press.dat. that was created once by our customer. I try to de-serializing using the loadPersistentData() function and it works sometimes, but about every third try it throw one of the exceptions.
Thanks, Robert
-----Original Message----- From: boost-users-bounces@lists.boost.org [mailto:boost-users- bounces@lists.boost.org] On Behalf Of Steven Watanabe Sent: Tuesday, June 15, 2010 3:44 PM To: boost-users@lists.boost.org Subject: Re: [Boost-users] [Serialization] Sometimes Fails Reading Binary File
AMDG
I am using Boost 1.43.0, Linux 2.6.23, gcc version 4.0.0 on a Freescale PowerPC.
I am reading in a serialized binary file using
Ifstream ifs; try { Ifs.open(filename.c_str(), iso_base::binary | iso_base::in); If(fs.is_open()) { Boost::archive::binary_iarchive ia(ifs); ia >> data; ifs.close(); } } catch (std:exception &e) { Ifs.close(); }
Sometimes it reads the file fine and sometimes it throws one of
Robert McCullough wrote: the > > following errors.
invalid_signature, Basic_string::resize, or stream error.
Does anyone have an idea why sometimes it works and sometimes it
does
not work?
a) Is the behavior consistent? i.e. does it yield different behavior for different archives, or can it yield different behavior for the same archive? b) What is data? c) How is the archive created d) Does it help if the archive is destroyed before the stream is closed? > In Christ, Steven Watanabe
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